Home

ALADIN User`s Manual

1. i ARE i Lw POSSI E DSS1 193 LOW Provided by CDS Aladin image server Fl a 10 896035 41 470137 2805 2187 1 10 3 1 4 12 682 12 27 89600361 4 D 10 914255 41 375582 2805 2142 1 6 5 5 6 11 298 10 737 10 91427500 10 959090 41 403219 2805 2128 1 28 7 4 0 11 821 11 278 10 95900278 10 712818 41 209135 2801 2008 1 10 71281818 41 20913501 11 958 10 817819 41 276332 2805 2125 1 10 81781888 41 27633154 12 652 ka J Es c 1999 2005 ULP CNRS Centre de Donn es astron omiques de Strasbourg 3 planes 1 view 57Mb Fig 22 Low resolution image of M31 the field size is 1 6 image from DSS I Highlighted symbols in the display green square show selected objects for which the data from GSC and Tycho 2 are displayed in the Measurement window A filled blue triangle in this window signals the GSC entry closest to the cursor 5 2 DSS Images The database currently includes the first and second Digitized Sky Survey DSS I and DSS II produced by the Space Telescope Institute for the needs of the Hubble Space Telescope To create the DSS I images the STScI team scanned the first epoch 1950 1955 Palomar E Red and United Kingdom Schmidt J Blue plates 1980 including the SERC J Equatorial Extension and some short V band plates at low galactic latitude with a pixel size of 1 7 arcsec 25um Images are slightly compressed
2. lt function gt lt expression gt lt function gt abs cos deg2rad ln log rad2deg sin tan lt value gt lt string gt lt numeric gt lt unit gt lt logical operator gt amp amp lt comparison operator gt mien gt gt lt lt lt action gt draw lt color function gt lt shape function gt lt UCD gt lt column gt lt string gt hide lt UCD gt S UCD name lt column gt column name lt shape function gt circle fillcircle lt expression gt lt numeric gt lt numeric gt ellipse lt expression gt lt expression gt lt expression gt pm lt expression gt lt expression gt square rhomb cross plus dot microdot lt color function gt rgb lt expression gt lt expression gt lt expression gt rainbow lt expression gt black blue cyan darkGray gray green lightGray magenta orange pink red white yellow Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 27 Appendix B Aladin Script Commands PLANE VIEW get servers target radius load filename 28 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual NAME get ca
3. Operator Meaning Example case sensitive String equality Galaxy String inequality UV Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual When performing a comparison on strings only one param eter can be used i e combination of parameters is not allowed in this case Note there is a special condition called undefined ucd or column name which is true if the entered ucd column name is not present for the current object Example Draw black symbols for sources with no Bjmag undefined S Bjmag draw black Process sources with column Bjmag You can also use the following functions abs absolute value cos cosine deg2rad convert degrees to radians In natural logarithm base e log base 10 logarithm rad2deg convert radians to degrees sin sine tan tangent log abs Fi Fx gt 44 draw 8 2 5 Constraints The logical operators used to combine conditions are amp amp logical AND and logical OR Example 5 S PHOT PHG B lt 16 amp amp S PHOT PHG R lt 15 S CLASS_OBJECT Star draw A constraint can also be empty In such a case the corre sponding actions apply to all sources Example No constraint the action block is applied to all sources draw blue 8 2 6 Actions Actions change the appearance of symbols in the related cata logue pl
4. 9 Bil Acces 5 1 1 bk babe ee eee od 4 37 12 Remove planes and views deL 10 B etting started 4 ET cale and coordinate grid 10 ARE S EE The Save and Prini menus 10 5 4 e plane stack 5 B9 The Tool menmd 11 B5 Serverselectoi 6 B 9 Aladin script console and note pad 11 B 5 mage servers 6 G02 VOPI LLL eco 11 Dos oimbad gt 6 B I Region Of Interest extractor 11 BSZ VIZER sursis dede 6 8 9 4 atalogue cross match tool 12 6 5 4 NED 6 12 B D Mission logs and Image Archive 6 12 ie Sado ee 6 B My Datd 7 12 B 6 earning more about the astronomical object 7 4I Multiview mode 12 3 6 electing object 7 FEZ Manipulating the plane stack 13 B 6 2 The Measurement window 7 A nteracting with the VizieR database 13 2 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 44 H Wie eo ethene eee DE EEE E 14 4 oading personal files 14 4 5 ocal images 14 4 5 alibrating Images 14 E53 Local Tables 15 1 6 cript console and script mode 15 A oordinate manipulation 17 ses I 17 Sis hoes tes oe thy She eee oh 17 E arte a aqu LS eo Ee ae ee es 18 ne Spe ee ae e
5. Aladin LabelPlane Template of the plane label n is to be re placed by the corresponding parameters DistribDomain keep this line as is Owner keep this line as is Url Server url template with n variables specifying the fields which have to be filled up by the users Param Description n Description of the field number n Param DataType n Data type of the cor responding parameter The available types are Target COO RA DE SIMBAD NED and Field RA DE SQR RADIUS Param Value n Default value or list of possible values for the corresponding parameter ResultDataType Mime xxx To specify the data type pro vided by the server For images image fits fits file image gfits gzipped image hfits h compressed and for data text plain text tsv or text csv tab separated value syntax and text xml for data in XML strores syntax see section 5 3 The servers that you have defined will be accessible by the buttons at the left side images or right side data of the server selector window in your local Aladin standalone version 8 Filters in Aladin 8 1 Introduction Filters are an elaborated feature in Aladin allowing one to cus tomize the display of catalogue planes in Aladin Without filters all entries from a catalogue plane are dis played with the same symbol and the same colour the only parameters used from the original catalogue are the sky coor di
6. Print Help Quit 2 Position 52000 05 34 21 56 22 00 56 5 Pixel fun 7710 7137 J Re g 2MASS K 87 018N KIge 10185 J R Ss mi El sl x draw iai a m text nm filter fra MBB contours o Z HM samp AEB 2MASS K 97 0 BA 1999 acis hi o cont NYSS o A possions 0 zoomi 7 T lat X e 12 9 x 1201 A as ii Zoom 2 3x AT Fig 18 Multiview of the Crab Nebula in different wavelengths optical IR radio X Selecting all views and shifting the green window in the boo tom left zoom window allows to displace and examine simultaneously the same celestial area in all wave lengths The selection of views a view panel is selected by clicking on it Simultaneous selection of several views is done by consecutively shift clicking on the series of views All the visible views can be selected by pressing the CTRL A keys in any view or also using the View window pop up menu right clicking to open the pop up menu Blue frames identify the selected views black frames the unselected ones The view frame can pass to green when the cursor moves along the Plane stack this allows to relate quickly the view and the associated names within the Plane stack The con verse is also true in multiview mode when the cursor moves on an image view a green triangle appears within the Plane stack in front of the related name in the Plane stack Manipulating view
7. pixel the index gives the list of all catalogues and tables which have entries in the field When a user requests a catalogue around a target this in dex is queried and the list of useful catalogues is returned Tt is possible at this stage either to list all catalogues or to pro duce a subset selected on the basis of keywords as explained in section A Note that as the index pixels generally match an area larger than the current sky field there is simply a good chance but not 100 to actually obtain entries in the field when query ing one of the selected tables 6 2 Archive previews In order to access images from archives you should first query the VizieR service for the mission log of the archive for ex ample the HST log or the FIRST log around a target see sec tion B 5 5 ttp vizier u strasbg fr viz bin Cat Tycho ttp vizier u strasbg fr viz bin Cat USNO Secondly you select the resulting positions in the View window and look at the corresponding data in the Measurement window If you find a button Image in the data line click on it to retrieve the corresponding archive image Fig B A new plane will be created automatically in the stack 7 Specific features of the Stand alone version ALADIN Standalone is a program that you can download in order to run Aladin Java as a classic application on your local machine The main advantage is to work outside a browser in execut ing scrip
8. SEE ALSO Fhow Aide fm blink Ereateview Freatepland reateRO NAME rename name or rename plane SYNOPSIS rename x name DESCRIPTION Allow one to name or rename the plane x or by default the first selected plane If the name is already used in the stack Aladin will automatically append an extension n NOTES The get command automatically sets a name to the resulting plane The usage of rename command allows one to override this default name 7 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 SEE ALSO NAME hide hide planes SYNOPSIS hide x1 x2 DESCRIPTION Hide the specified planes or the selected planes if there is no parameter EXAMPLE hide DSS1 V SERC hide hide the selected planes hide 1 2 DSS2 NOTES 2999 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 SEE ALSO Bhow NAME show show planes SYNOPSIS show x1 x2 30 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual DESCRIPTION Show the specified planes or the selected planes if there is no parameter If there is no view of a specified plane a view will be created automatically Also if there is an existing view of the plane but it is not visible outside the scroll panel
9. The Aladin sky atlas is available in three modes a simple previewer a Java applet interface and a Java Standalone application Documentation The Aladin FAQ The Aladin Manual Mb Provide my data in Aladin help form The Aladin science case tutorial The Aladin filter manual Image M20 RGB image for Trifid Nebula and catalog filter usage gallery M20 multiviews the same with the V3 multiview mode ACO1060 Graphical overlay usage and side by side comparison Some Aladin figures 5 5TB magnetic disks for the Aladin image server 680KB Aladin V3 package size for 105000 code lines 4 to 1 5 Java compliant Be EZ EB A Document Done 0 165 seos Fig 1 Home page of ALADIN at the CDS Web site 1 2 The CDS The Centre de Donn es astronomiques de Strasbourg CDS defines develops and maintains services to help astronomers find the information they need from the very rapidly increasing wealth of astronomical information A detailed description of the CDS on line services can be found e g in Genova et al 2000 or at the CDS web site 2 The user interfaces ALADIN is currently available in three main modes ALADIN previewer a simple astronomical image provider ALADIN java applet and ALADIN java stand alone version are graphic in terfaces for image manipulations ALADIN can also be con trolled via in line commands executing script files or opening the ALADIN script console ALADIN is publicly ac
10. ai Zoom 23x z Lut bourg 4 planes 1 view 30Mb Apply Close Fig 26 Creating a filter Example draw circles proportional to the object luminosity 8 3 2 Modifying a filter To modify a filter open the Properties window of the filter Then modify the definition and press Apply to confirm the changes If the filter is active the result will be updated If it is not the new definition will be taken into account as soon as the filter becomes activated 8 3 3 Syntax errors When creating or modifying a filter one may enter a definition which is syntactically incorrect If this occurs the filter is deac tivated and a message pops up announcing the detected error At the same time the status indicator next to the filter name in the stack turns to red If you try to activate a filter whose definition is incorrect you will see a message asking you to correct the error 8 3 4 Activate Deactivate a filter Filters are like other planes you can easily activate or deacti vate them just by clicking on the logo 8 3 5 Scope of a filter A filter applies to all active catalogue planes located below it in the stack If the filter is in a folder it applies to all active catalogues located below it within the same folder including catalogues in subfolders Figure 7 explains this principle Two filters TEST and CIRCLE have been created TEST just prints the text string TEST and CIRCLE draws a cir
11. astronomiques de Strasbourg e Copyright ULP CNRS 1999 2005 Java and all java related trademarks and logos are CENTRE DE DONN ES trademarks or registered trademarks of Sun Microsystems Inc in the U S other countries or both ASTRONOMIQUES DE STRASBOURG ALADIN User s Manual Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch 1 CDS UMR 7550 Observatoire de Strasbourg 11 rue de l Universit 67000 Strasbourg France 2 present address Observatoire de Paris Email question O simbad u strasbg fr April 28 2005 Aladin Manual 3nd release describing Aladin version 3 Abstract ALADIN is an interactive sky atlas developed and maintained by the Centre de Donn es astronomiques de Strasbourg CDS for the identification of astronomical sources through visual analysis of reference sky images Contents ET The tool band espera E emas SRS A 7 BZI Dam ee ee ee 7 I Introduction 3 B DS ee Geter 8 e ALADIN interactive sky atlas 3 B 7 3 Distance Dist and graph 8 L2 The CDS 3 BZA4 EH 8 TETTERE 8 Z The user interfaces 3 ELO By secere seu basses 8 sh Bot Gee 8 Se Los DU 3 B b Jirre ssh er 8 D Alad PPIE o 4 4 44 La ds hk am de es 3 RTS lots 8 Ea dei tet E We was ie aA OS 4 BIS Zoom andimase manipulation 9 B 0 D H Dies 4 se sas Le 9 5 U p Alad 4 5 Properties
12. Provided by CDS Aladin image li multiview Zoon 178x 1999 2005 ULP CNRS Centre de Donn es astronomiques de Strasbourg 3 planes 56 views dedo Fig 17 Example obtained with the Region Of Interest extrac tor multiview display of small zoom images around a list of predefined list of objects within Pal 5 3 9 3 Region Of Interest extractor The ROI region of interest option displays small views or zoom images around a list of selected objects Load an image and overlay your favorite catalogue of ob jects Select SELEC button your objects of interest and dis play small or zoom views for each selected objects in multi view mode see section E T just by activating the create ROI option in the Tools menu You can also open the contex tual menu of the view window right click with the mouse to find the same option create ROI and the option delete ROI views Adapt the multiview mode buttons below the bottom right corner of the View window to modify the number of simulta neously displayed images You can also shift the vertical scroll bar of the View window 12 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 8 9 4 Catalogue cross match tool It is possible to cross match two catalogues of objects either according to the object celestial coordinate proximity with the following options best matches all mat
13. This site provides access to ALADIN documentation in cluding scientific reports recent publications etc A list of the mirror sites for the ALADIN applet is also kept up to date on the home page Note that a mirror copy of the applet is available at the NASA IPAC Extragalactic Database NED where it provides access to the NED collection of FITS images featuring extragalactic objects and another one at the CFHT where it is used to assist submissions for the Queue Service Observing SEJAS Si Server selector Choose an image server ora data server Image servers and fill in the associated form drawn below Data servers adin v3 0 multiview n E Load Save Tools Print Help Quit Position 32000 10 36 57 94 27 33 27 9 Pixel full unknown ZA ACo 1060 Te aes os am Es lt E nm blink CI 3 j samo ER o amp A csc2 2 o sonl simbad q 7 MES ec Te 8 iss a a Py a RE TS R Fe lt a EE ee P gt i A A REORJ o a oan Fa one EE CA SA o 1e r 14 17 x dar it TP t T 14 17 x 1417 a gt h i LH SERC J DSS1 437 Provided by CDS Aladin image server LEE zon 1x D 5GM95 4 Gici 10 36 3
14. factor of 10 DSS I images in the R band come from Palomar POSS II F and the UK Schmidt SES AAO R and SERC ER scanned with a 1 arcsec 15um sampling interval DSS II images in the B band come from POSS II J DSS II images in the I band come from Palomar POSS II N and SERC I The blue plates POSS I O are also included Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual DSS images are generally available in the following reso lutions the Full resolution about 10x10 arcmin corresponding to the original digitizations the Low resolution about 1 5x1 5 degrees providing an intermediate view consistent with the field of view of major telescopes DSS I images only the Global Plate view about 5x5 degrees reproducing the photographic Schmidt plates 5 3 MAMA CAI Images High resolution digitization of POSS II SERC J SERC ER SERC SR SERC I or ESO R plates featuring crowded re gions of the sky Galactic Plane and Magellanic Clouds have been provided by the MAMA facility at the Centre d Analyse des Images CAI Observatoire de Paris Sampling is 0 67 per pixel 10um These images are better suited to visual inspection of very faint objects 5 4 2MASS near infrared survey Original 2MASS J H and Ks images are slightly compressed images from the 2MASS survey By default an image is recom puted mosaicing and rebinning and centered
15. loads the image with default options 4 5 Loading personal files You can load personal images or tables stored on your local computer hard disk see section 8 5 7 4 5 1 Local images Images should be in FITS format with WCS fieldsf in the header see e g Greisen amp Calabretta 1995 Aladin V3 sup ports also simple JPEG GIF or PNG images but they will have no astrometric calibration Note that you may need to increase your JVM memory if you need to load large files To do that you can play with two parameters of the java command ms lt number gt set the initial Java heap size mx lt number gt set the maximum Java heap size For example a command like java ms800m mx800m jar Aladin jar might allow you to manipulate the large CFH12K images 400MB 4 5 2 Calibrating Images Images without astrometric calibration can be loaded In order to visualize and overlay catalogues on them you will need to build an astrometric calibration To calibrate or to redo the calibration of any images as trometric calibration tools are available in Aladin The astro metric reduction menu is activated from the properties menu associated to your image plane You will also need astromet ric references from another calibrated images of the same area or from a corresponding astrometric catalogue Just clicking a http Avww cv nrao edu fits documents wcs wes htm Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonn
16. the view scroll bar will be automatically adapted to show it EXAMPLE show DSS1 V SERC hide hide the selected planes hide 1 2 DSS2 NOTES 9999 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 SEE ALSO NAME mv move planes or views SYNOPSIS mv x1 x2 for stack manipulation mv v1 v2 for multiview manipulation mv x1 x2 name for folder manipulation DESCRIPTION The mv command behaviour depends of the nature of its parameters If the parameters describe two planes x1 and x2 Aladin will move x1 plane behind the x2 plane in the Aladin stack If the parameters describes two views v1 and v2 in multiview mode Aladin will move the view v1 to the v2 place The v2 view place will be overiden by v1 even if v2 was not empty If the parameters describe planes and the last parameter describes a folder the planes will be move into the folder NOTES 2999 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 SEE ALSO md NAME rm delete planes or views SYNOPSIS rm x1 x2 for stack manipulation rm v1 v2 for multiview manipulation rm name for folder manipulation rm ROI all for specifical usage DESCRIPTION The rm command behaviou
17. to perform automatic cross match be tween catalogues 3 9 1 Aladin script console and note pad Selecting this option opens the Aladin script console where Aladin can be controlled via in line commands This console allows to follow all the actions or commands sent and correctly executed since the beginning of your Aladin session see details in sections 6 and B for explanations on script commands The script console includes the previous facilities of the re moved note Pad window for instance the possibly to cut and paste text into another application Every action in interactive mode is echoed by the Aladin script console where a line is printed containing the corre sponding script command the echo line is bracketed Within the Aladin script console you can use the keyboard arrows to call back or modify these previously executed com mand The most elementary command in script mode is the co ordinate sexagesimal J2000 or the SIMBAD name of objects Executing it draws a cross in the View window at the position of the object when an image or a catalogue around this ob ject have been already loaded The corresponding interactive command is the click within the View window Dem CC VS UCAC2 object selection from Aladin B3 X 10 4 15 0 q Yr 14 7 14 5 a ma 14 0 Yt Oo Leg Rev 13 5 kmag t 13 0 BS Xt Glog U Rev 12 5 mr Filter J 12 0 an a 115 Pa I overlay E 210 x Plot Histogram
18. Aladin image server E 22ns7us6 73 26d07m555 G 279 6 LeMBAR 2008 Ut PICHRS Contra de Donnbss adranamiause de Strachouta A nlanse 4 view Ah Fig 5 Layout of the ALADIN interface window 3 3 The ALADIN view panels The ALADIN interface comprises the following windows and panels Fig P View window the main window used for displaying the image or catalogue projections This is used either in single view mode or in multiview mode with 2 4 9 or 16 views Fig jand section Position and shortcut window the small rectangular panel above the View window is used for displaying the current position of the cursor By clicking on it you can grab this position in the Position window At the left of the position window a little menu allows se lection of the coordinate system for the displayed positions B1950 J2000 ICRS Galactic SuperGalactic x y Pixel window Located to the right of the Position window this small window contains a menu for selecting the type of pixel values to be displayed This only applies to FITS images and has the options of 8 bits or full original pixel precision when available Plane stack this is the panel at the right of the View window topped by the eye logo The status of the different planes is specified by icons and colour signals sections B 4 and 8 7 Tool bar a set of icons between the View windows and the Plane stack gives access to control f
19. Bonnarel F Fernique P Bienaym O et al 2000 A amp AS 143 33 Aladin Genova F Egret D Bienaym O et al 2000 A amp AS 143 1 CDS Greisen E W Calabretta M 1995 in Astronomical Data Analysis Software and Systems IV ASP Conf Ser 77 p 233 FITS WCS Guibert J 1992 in Digitized Optical Sky Surveys H T MacGillivray amp E B Thomson Eds Kluwer Academic Publ p 103 MAMA Ochsenbein F Bauer P Genova F 2000 143 23 VizieR Wenger M Ochsenbein F Egret D et al 2000 A amp AS 143 9 Simbad 26 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual Appendices Appendix A Backus Naur Form of filter syntax This is an attempt to describe the syntax of a filter in the extended Backus Naur Form It describes in a shorter way what has been explained in section lt filter gt lt constraints block gt lt constraints block gt lt constraint gt lt action gt lt action separator gt lt action separator gt Carriage Return lt constraint gt lt simple condition gt lt logical operator gt lt constraint gt undefined lt UCD gt lt column gt 9 lt condition gt lt expression gt lt comparison operator gt lt value gt lt expression gt 7 lt UCD gt lt column gt lt numeric gt TETT amy n lt expression gt n lt numeric gt
20. Manual 7 L 166x 167 TT Dac R E TP 2 66 x 2 66 ne Hju U2LX0501B provided by the original archive server EEEE Zoon _1x Li 13 49 43 1 NICL al 13 49 43 1 NICL 13 49 43 1 NICL 2200 0 M16 A m 2200 0 M16 A i ANY 18 18 51 24 ANY 18 18 51 24 ANY 18 18 51 24 274 7128 13 8309 1995 04 01717 15 17 274 7128 13 8309 1995 04 017T18 42 17 FI J c 1999 2005 ULP CNRS Centre de Donn es astronomiques de Strasbourg WV HE 3 planes 2 views 13Mb Fig 8 Querying image archives the archive log contains point ers to the actual images indicated by Image buttons in the cor responding lines of the Measurement window See Fig P for an example of HST image display ia Aladin v3 0 multiview z gt Load Save Tools Print Help Position 32000 18 18 49 66 13 49 45 3 Pixel full BULLE EB neo 2 E vo A csc22 EB ust o V2Lx05010 D EG SERC ER D O ee PURE zom By U2LX0501B provided by the original archive server ANY ANY 18 18 51 24 13 49 43 1 NICI D D D y 18 18 51 24 13 49 43 1 NIC1 E szot aran 274 7128 13 8309 1995 04 01T17 15 17 Hoopii S D Association CADC 274 7128 13 8309 1995 04 01T18 42 17 2200 0 m16 A F EJ 4 18 18 51 24 13 49 43 1 NICL j J f j gt gt J t
21. are gray 256 gray levels default color map BB 256 orange levels usefull to improve contrast impression A equal color areas stern helping for the distinction of hight pixel values EXAMPLE cm sterm NAME RGB create a RGB image SYNOPSIS RGB x1 v1 x2 v2 x3 v3 DESCRIPTION Create a colored composed image from three images The images can be specified by their plane or by their view in multiview mode The first image provides the Red component the second image provides the Green component and the last image the Blue component Each image is resampled according to the astrometrical solution of the first image EXAMPLE RGB234 RGB DSS1 DSS2 MAMA NOTES x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 SEE ALSO pink Fesamp NAME blink create a blink sequence of images SYNOPSIS blink x1 v1 x2 v2 DESCRIPTION Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 35 Create a blink sequence of several images at least 2 images The images can be specified by their plane or by their view in multiview mode Each image is resampled according to the astrometrical solution of the first image EXAMPLE blink2345 blink DSS1 DSS2 NOTES 90 x can b
22. cor rect syntax buttons propose lists of available table columns functions to create conditional expressions they also propose actions shape size type and color of plotted symbols To modify a filter select it in the Plane stack and push the Prop button 3 7 5 RGB colour composition If you have loaded two or three images covering the same field you can call the RGB colour composition by pushing the rgb button A pop up window will be displayed allowing you to se lect which images will be assigned red green and blue colours Astrometric registration will be computed using by default the highest resolution image as a reference 3 7 6 Blink Pushing the Blink button creates a short animation For in stance you can display for a given field a sequence of views at different wavelengths or you can follow a high proper mo tion star observed at different epochs The Blink button opens a menu where you pick up images among the previously loaded ones The Blink action first resamples images according to one of the selected images by default the first one You can halt or control the animation step by step using the red symbols ar rows and buttons at the top right corner of the blinking images REER Aladin v3 0 multiview ox gue Load Save Tools Print Help Quit Position J2000 01 33 57 77 30 35 11 3 Pixel full unknown a POSSlE DS5 1 29500 Ba TRA AA a Ss Q lt i
23. histogram to enhance the intermediate gray levels You can also apply the AUTOCUT limits and play with the minimum and maximum limits of pixel values used for display 3 7 11 Properties The Prop button provides information about the properties of the selected plane i e the one with a framed name number of entries for data planes source and reference for image planes The Properties window pops up and it is possible to modify the configuration of the plane The contents of the Properties window Fig 4 change ac cording to the plane type For image planes loaded in FITS format it is possible to load the full original pixels not only compressed or 8 bit im ages The Properties window gives access to their FITS header From the Properties menu you can modify the astrometric cal ibration of images see section 8 5 2 For images without any astrometric reduction you can create it you will need however to overlay an astrometric catalogue section E 5 7 For data planes it is possible to create new columns as a combination of the existing ones A column calculator allows you to pick up column names operators and functions to define 10 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual the content of the new columns Selecting a catalogue plane in the plane stack you can directly open the column calcula tor with the contextual menu clicking the right but
24. manently visible within the View window even when you move the left vertical bar to scroll the other available views To lock one or more views select them click and shift click and un lock them within the contextual pop menu right click of the View window Red frames identify the locked images Practice will show you that it can be more convenient to align the locked images along the same col umn or line 4 2 Manipulating the plane stack The plane stack allows you to control the current projection Each plane keeps the result of a server query or a local query image or data or possibly some additional graphical objects such as tags or drawings Click on a plane icon to ask to activate the icon is dark when the plane is active Click on the eye icon to switch on off projection of all possible overlay planes Cooke S Fig 19 A plane stack in a field featuring the Pleiades Simbad GSC2 2 USNO B1 and 2MASS are the active data planes NED has no entry in this stellar field as can be seen from the status icon on the right 2MASS is the selected plane framed name ready for Prop or Cont tools Click on a plane name to select it then the tool but tons which are authorized for this kind of plane are activated Maintain the SHIFT key to select several planes together Click and drag the plane icons to change the order of the display in the stack The first image hides all planes underneath Delete the s
25. views or planes If you had selected planes pushing the del button will remove selected planes and cor responding views If you had selected views pushing the del button will remove these selected views pushing twice the del button will also remove the related planes Pressing the SHIFT key and pushing the del button removes all views and pushing twice remove all planes To select a plane click its name at the right of the corre sponding icons in the Plane stack the frame name becomes blue To select simultaneously other planes press the shift key and click the other plane names 3 7 13 Scale and coordinate grid By invoking the contextual menu pop up menu clicking the right button of the mouse or CTRL click in the MacOS en vironment in the view frame you can display the following informations 1 view information a small line gives the scale of the view the North and East orientations the size and name of the view 2 the coordinate grid for constant RA and DEC values b values The coordinate system equatorial galactic etc can be modified using the little menu at the left of the posi tion window 3 the target arrow a vertical arrow indicates the object or position used as center in the initial query 4 the reticle a large cross indicates the last clicked posi tion of the cursor inside the View window For prints in multiview mode the names of objects may be re placed by the field coordin
26. 2 97 27 30 58 1 300 300 7 a E sam95 74 clcl 10 36 32 00 27 30 37 2 300 300 o D samos 2 ciciz 10 36 31 90 27 30 16 4 300 300 45 NGC 3312 10h37moz 5s 27d33m54s G 2886 0 009627 ref 73 gt 159 243942 27 574301 512220113878 159 243942 27 574301 17 64 18 61 3 7 52 0 2 1 J J J c 1999 2005 ULP CNRS Centre de Donn es astronomiques de Strasbourg 4 planes 1 view 9Mb Fig 3 Example of ALADIN window with an image centered on the Hydar I cluster of galaxies ACO 1060 and objects from SIMBAD GSC2 2 and NED marked by symbols Aladin Java is compatible from Java release 1 1 4 If your web browser Explorer Mozilla etc supports java you sup port Aladin Java Applet On some recent browsers you have to install a java plugin machine then follow your browser docu mentation 2 3 Aladin Standalone ALADIN Standalone has all the same functionalities as the ap plet version but runs as Java application on your local machine rather than being launched from a browser ALADIN Standalone is available for download at Aladin Java package Instructions concerning the installation are given in Section ttp aladin u strasbg fr AladinJava frame downloading Aladin Aladin image server VizieR server Catalogs Step 1 Specify a target radius and press SUBMIT Pa Surveys SSS Target Nec 5236 Grab coord in VizieR Radius 9 arcmin Missions i in Viziel SkyView gt gt gt Step 2 load one or se
27. 2 image and the USNO2 catalogue overlay Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 17 Launching Aladin with predefined images or data In Applet mode the script commands can also be used in the URL to directly launch a predefined set of images and data For example the following URL will launch Aladin for a field around NGC 1097 with a DSS2 image SIMBAD NED and USNO2 data on reverse mode and a coordinate grid http aladin u strasbg fr AladinJava script get Aladin DSS2 Simbad NED VizieR usno2 NGC1097 gridton sync reverse The detailed syntax of the input string following the ques tion mark is the same as the syntax of the script language see section F 6 An automatic generator of scripts and of URL helps you building more easily simple scripts and URL see http aladin u strasbg fr java nph aladin pl frame form Local images can be called by using the following script com mand get MyData YourURL plane_name ori gin or get MyData YourFile where plane_name will be the name appearing in the plane stack 4 7 Coordinate manipulation It is possible to visualize the location of a specific object or po sition in the current view by simply clicking in the Position window and typing the coordinates or Simbad identifier After pressing the RETURN key the current target large will move at the corresponding position
28. 2 optional parameters to define the minimum and the maximum ra dius size in pixels otherwise these values are set by de fault Parameter values are normalized to fit into the range Example Draw circles according to Johnson B mag draw circle S PHOT_JHN_B Draw circles according to Johnson B mag Set min value to 3 max value to 40 draw circle S PHOT_JHN_B 3 40 the fillcircle function is similar to the circle one It draws a filled circle instead of an empty one the ellipse function is typically used to draw dimension el lipses or error ellipses It takes 3 parameters the semi major axis the semi minor axis If the unit of one parameter is missing or not understood semi major and semi minor axis are assumed to be in arcsec and the position angle is assumed to be in degrees If the position angle can t be re trieved or is empty its value is assumed to be zero Example Drawing dimension and GSC2 sources llipses for Simbad Ellipses for Simbad draw ellipse 0 5 DimMa 0 5 S DimMij S DimPA Ellipses for GSC2 draw ellipse S EXTENSION RAD EXTENSION_RAD 1 S PHYS_ECCENTRICITY 72 0 5 POS_POS ANG the pm function was designed to allow the visualization of proper motion of stars It takes 2 parameters which are the proper motion in right ascension and the proper mo tion in declination and draws an arrow
29. 7 9 Zoom and image manipulation Two different zoom manipulations of images are available ei ther using the magnifying glass button in the tool bar or the Zoom window The Zoom window The square window at the bottom right corner is the Zoom window it displays a quick view of the current active image on the plane stack The green rectangle specifies the size of the current view seen in the large View window according to the zoom scale By dragging this rectangle you can change the displayed area The zoom scale can be changed i with the little menu but ton or ii directly clicking in the View window if the Zoom button is activated The size of the View window depends on the total size of the Aladin Window With the Applet version click on the Detach button to separate Aladin from the browser and by do ing so you will be able to maximize the window size To get a survey image adjacent to the current one it is pos sible to use the Zoom tool with a factor less than 1 After that use the Grab coord button of the image server form and select the center of the next image by clicking in the view margin Magnifying Glass mglss Push the mglss button and move the cursor in the view window you can zoom a selected area the zoomed image is displayed within the Zoom window situ ated at the bottom right of the main Aladin interface Using the keyboard arrows keys instead of the mouse you can move and shift softly the magnifying gl
30. LSO NAME modeview multiview controler SYNOPSIS modeview 1 2 4 9 16 DESCRIPTION Specify the number of simultaneous views EXAMPLE modeview 9 SEE ALSO NAME createview creation of view SYNOPSIS createview x v DESCRIPTION This command can only be used in multiview mode It allows one to manually create a view at the position v of the Aladin plane stack x This command is rarely required as the show and get command automatically create the corresponding views when they are required NOTES 2999 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 EXAMPLE createview DSS1 V SERC C3 createview 2 use a default view place for the plane number 2 createview use a default view place for the selected plan SEE ALSO inv Eopy 32 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual NAME zoom change the zoom factor SYNOPSIS zoom 1 64x 64x DESCRIPTION Change the zoom factor on the current view The available factors are the powers of two 1 64x 64x plus the 2 3 factor NOTES The zoom command can only be applied on the current view s EXAMPLE zoom 2x zoom 1 4x SEE ALSO Keleci NAME attach detach view attachment to
31. OPSIS copy vi v2 DESCRIPTION Allow one to create a copy of the view v1 to v2 place Notice that each view can have is own zoom factor but still share the same image properties notably the colormap NOTES y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 EXAMPLE lock A1 A2 A3 unlock B2 copy A2 C3 SEE ALSO my Em NAME save save the current view SYNOPSIS save filename DESCRIPTION Capture the current view image overlays and save it as a raster colorized image BMP format In multiview mode only the selected view will be saved EXAMPLE save ml bmp SEE ALSO NAME flipflop vertical or horizontal mirroring SYNOPSIS flipflop VIH DESCRIPTION Apply a vertical or horizontal mirroring of the current view The astrometrical solution is adapted accordingly EXAMPLE flipflop H 34 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual NAME reverse un reverse the image SYNOPSIS reverse on off DESCRIPTION Reverse or unreverse the image of the current view By default Aladin loads images with the reverse mode activated In case of RGB image the produced image will take the complementary colors This command is not available for blink planes NAME cm adjust the color map SYNOPSIS cm gray BB A stern DESCRIPTION Modify the colormap of the current view The color map options
32. T Help S PHOT gt 6 ce PHOT lt 18 draw CLASS_OBJECT Examples lanes Save filter Load filter Export Create a new plane with all filtered sources Fig 28 Create a filter in expert mode The names of all the available loaded columns during a Aladin session can be displayed by activating a pop up menu right button mouse in the command menu of the filter proper ties window This allows to select and load a column name in the filter command window 9 User feedback The users play an important role by giving feedback on the desired features and user friendliness of the interfaces by mail to question simbad u strasbs 10 Contribution Acknowledgements Although the Aladin interactive atlas has been written and co ordinated by the CDS staff in Strasbourg many others have contributed to it ALADIN Java interface and tools are developed and main tained by Pierre Ferniqud CDS Strasbourg Contour filter and data tree tools catalogue cross matcher column calcula tor demo mode have been developed by Thomas Boch CDS in the framework of the Astrophysical Virtual Observatory AVO an EC RTD project 2002 2004 Fran ois Bonnarel CDS developed the astrometry and astrometric calibra tions Anais Oberto CDS the RGC composition Fran ois Ochsenbein CDS the precessions Andr Schaaff CDS 4 http cdsweb u strasbg fr people pf htm ttp cdsweb u strasbg fr bo
33. VSS Cat of Eus 2 Jy Galaxies faa 4 Get info SUBMIT Reset Close Fig 20 VizieR query panel and a list of catalogues in the neighbourhood of the target list provided by keywords just type in the Target box the name object or its coordi nates Then the submit button provides a list of all cat alogues which have a fair chance of having at least one source in the neighbourhood of the target section P T Catalogues in this list can then be selected by a mouse click on their title type in the Target box the name object or its coordinates and type in the Catalogue box the acronym e g HD or CDS ADC identification of catalogue e g III 135 a comma separated list of acronyms may be specified for sev eral catalogues e g BD CD CPD Browse the list of cata loguesf for a complete list of available catalogue acronyms or identifications you may refine the list of catalogues by submitting addi tional constraints Fig 20 by entering words in the Author free text box e g author name the list of catalogues is restricted to those having the specified word s in their description and having sources in the target neighbourhood by clicking on a selection of keywords the list of cata logues is restricted to those matching all keywords and having sources in the target neighbourhood Other Vizier alternatives are offered from the Load panel Fig 20 select the Surveys button the largest
34. VizieR VizieR server Catalogs Select them inthe view uird to get the asociata loges SUNDER SSS in VizieR Target h 16 a E EO cet a ission SkyView Hission HsT Radius 1 7 columns n Vizie spss For your help you can pick up mission names from the list below Simbad CFHT Log of CFHT Exposures 391Krou Chandra Log of Chandra X ray Satellite 6Krow NED VLA ESO Archives ESO 563Krow FIRST The FIRST Radio Survey 550Krou FUSE Log of FUSE Far UV Spectroscopic Explorer 3krow Others Others HUT Log of Hopkins Ultraviolet Telescope 1Krow INT The Isaac Newton Telescope observation log 8Krou SDSS ISO Log of ISO validated data 23Krow Others ILE IUE Ultraviolet Spectra 109Krou MERLIN The MERLIN interferoseter at Jodrell Bank 2Krow XtIMlog Log of XMM X ray Satellite Skrow MyData FoV SUBMIT History Reset Clear Close i Fig 7 Load panel for Mission logs and image archives An example of data extracted from the HST mission log can be seen in Fig 8 3 5 6 Instrument Field of View It is possible to overlay the field of view FOV of some major instruments presently CFHT cameras XMM Newton HST WFPC2 camera Rotation of the field when applicable can be monitored through the Prop tool http vizier u strasbg fr http nedwww ipac caltech edu Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s
35. all sky surveys avail able are listed and can be selected by a mouse click on the corresponding line the Missions button triggers display of the available ob serving logs see B 5 5 Note that catalogues can be displayed in the View win dow without a background image making possibly easier di rect comparison of two catalogues or tables 5 http cdsweb u strasbg fr cats cats ht 4 4 History The History window allows to browsing of all the names of images that have been proposed by the Server Selector Load button since the beginning of the session It allows loading or reloading of any of these images The list includes also the list of personal images found in your own directories scanned with the MYDATA button section B 5 7 The tree hierarchy can be opened and collapsed showing the organization of the information from the name of an ob ject or coordinate passing through the name of servers sur veys filters to the name of images plate CCD frame etc Clicking on any of these name shows a pops up window with specific information Clicking on the name of images pops up a window display ing the main characteristics of the images the same window would be opened with the Server Selector from that window you can select the type of data to load Jpeg Fits mosaiced images you can also load the FOV the contour of the field of view A double click on the image names within the tree directly
36. an also split the measurement window in a separate resizeable window by clicking on the out arrow at the top right corner of the measurement panel It allows you to consult more easily long lines and long lists 3 7 The tool bar The tool bar provides a number of control tools to help visual ize the data and analyze the images 3 7 1 Draw To draw lines or contours use the Draw button You have two modes click and drag mode draw a hand line click and click mode draw a poly line You have to take the cursor out of the view to stop the polyline The drawing is memorized together with celestial positions It means that you can display it on another image not necessar ily having the same resolution You can move a contour with the Select tool by clicking and dragging one of its control points First select the contour 8 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual and then click and drag one of the control points little squares on the contour 3 7 2 Text Tags You can display text or mark objects with tags by pushing the related Text or Tag button 3 7 3 Distance Dist and Cut graph Le lt POSSI E DSS1 295 Provided by CDS Aladin image server e eon EE Zi Fig 10 Example of display obtained when using the Dist but ton The Dist button activates an Overplot measurer allowing you t
37. ane Available actions are hide does not display the entry This action is useful to hide a part of the plane sources draw when used without parameters this action draws the source as usual using the default shape and color of the plane The action has two optional parameters for cus tomizing both shape and color of the symbols Example draw green square You can also draw a text string which may be either a con stant string or the content of a column The color can also be specified Example draw S CLASS OBJECT blue Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 23 8 2 7 Defining a color You can specify the color you want to assign to either a symbol or a text string The color function is optional and can be placed either after the draw keyword or after the optional shape func tion Example Color function after the draw blue square Color function after the shape function draw circle PHOT_PHG_B 00ff00 draw keyword There are different ways to define a color rrggbb where rr gg bb are respectively the values of red green and blue components of the color in hexadecimal Example draw 44dd99 predefined color names allowed values are black blue cyan darkGray gray green lightGray magenta orange pink red white yellow Example draw red rgb function allows to define a color whose compon
38. arel Pierre Fernique Thomas Boch ALADIN User s Manual 15 few common stars to your uncalibrated image and to your ref erence frame image or catalogue can be sufficient to obtain a rough astrometric calibration examples for image calibrations are given at the address http aladin u strasbg fr tutorials 4 5 3 Local Tables Tables should be in one of the following formats Tab Separated Value TSV one record per line each field separated by a TAB By default the first column is assumed to be Right Ascension and the second column Declination both in J2000 equatorial system Values are to be given in decimal degrees or in sexagesimal hours and degrees Heading line can be present as shown below RAJ2000 DEJ2000 GSC number Pmag 185 701 15 822 0144501972 15 55 185 766 15 795 0144502507 13 92 185 704 15 844 0144501918 15 06 185 710 15 849 0144502383 14 78 XML The VOTable XML format is developed by the International Virtual Observatory in Astronomy IVOA It allows to describe astronomical catalogues with XML Aladin uses it to retrieve data from VizieR Simbad NED or to load local data files The VOTable for mat is detailed at the following address http vizier u strasbg fr doc VOTable Aladin also supports AstroRes the predecessor of VOTable AstroRes format is detailed at the following ad dress http vizier u strasbg fr doc astrores htx 4 6 Script console and script mode Open the Aladin scr
39. around the current selected sources for the selected images one or more In this way it is possible to rapidly browse and or compare a large set of objects The size of the zoom views can be determined either in pixels default 40 or in arcsec do not forget to mention the unit NOTES 38 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual The typical usage should be get Aladin DSS2 hd2 sync get Aladin DSS1 get VizieR GSC1 2 sync filter mag PHOT gt 7 amp amp PHOT lt 12 draw filter on modeview 4 select A1 B1 GSC createROI 30 EXAMPLE createROI SEE ALSO Feleci NAME draw graphical overlay command SYNOPSIS draw fct param draw mode xy radec DESCRIPTION Allows one to manually add graphical overlays on views There are three graphical functions available string x y text tag x y Jine x1 y1 x2 y2 text The x y coordinates can be in the XY image reference default mode or in RADEC coordinates For this the draw mode radec command must be set before EXAMPLE draw string 300 200 my favourite galaxy draw mode radec draw tag 10 12 13 2 3 4 NAME grid coordinate grid management SYNOPSIS grid on off DESCRIPTION Switch the coordinate grid on or off EXAMPLE grid on SEE ALSO NAME scale scale and other view overlay information management SYNOPSIS Olivier Bienaym Dan
40. ass in any direction and scan the main View image due to pixel scale ratios be tween the main and the zoomed images the arrows may move the zoomed image by apparently varying step Press the RETURN key to memorize within the Position window the new center position of the Zoom window and to shift and display the reticle at this new position 3 7 10 Colour map Histog You can modify the colour map of the image by clicking on the Histog button Fig 3 a pixel mapping He Adjust the constract by modifying the transfert function and or Help by moving the three triangles ET 55 984 236 98 Log Sqrt v Linear wv Pou2 Reverse Gray level Reset Orig pixel range 45 0 253 0 get all Autoout limits 55 084 as Ese se 1 Use Aladin autocut algorithm Cut again Close Fig 13 Colour map panel This window pops up when you push the Histog button It displays the histogram of pixel val ues of the current background image You can reverse colours Reverse button apply false colours BB A Gray similar to the corresponding features of DS9 saoimage and Stern special from Yorick modify the dynamics with scaling functions Log SquareRoot Linear Square and adjust also the pixel range move the left trian gle towards the right to suppress the background noise move the right triangle towards the left to enhance the objects adjust the middle triangle according to the
41. ates 3 8 The Save and Print menus It is possible to Print the main View Fig 5 Different options are offered to Save data from an Aladin session The work session can be saved in a proprietary Aladin Java AJ format for future re use Catalogues or images loaded in the plane stack can be saved respectively in ascii Tab separated values or VOTable or fits formats A file view with the current overlays and RGB images can be saved in bmp format An HTML page with links to the original images loaded in the plane stack can also be created Remark a Postscript printer driver must have been installed to save postcript files D F4 25730 E RE ES Jo Tycho 2 y USNO B1 GSC22 X Simbad FL A ri E Eis PERL 112 62 x 12 64 sh Prodacedby Alain Cense de Donnees sonores de Sabu STScI povided by COS Aladin imge saver herp faladin o surasbg N E Fig 15 Postcript printout of a DSS I field featuring NGC 3314 produced from the Standalone version Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 11 3 9 The Tools menu The TooLS menu provides other control tools to visualize data and images and analyze them to open a console window to ex ecute Aladin script commands to open the VOPlot graphic fa cility and plot the content of tables to display small views from a list of selected objects
42. avelength Mission Astronomy VA Radio ANS 2 act Others cd ASCA Abundances loptical BeppoSAX Ages uv EGRO associations soss amp 24 catalog s found around m33 in x atomic_pata il BL Lac objects sol Fang IBinaries cataclysm oye J AJ 121 861 IR 196 BVI photometry of central part of M33 Macri 2001 amp Binaries eclipsing 11 246 IR 34 2MASS All Sky Catalog of Point Sources Cutri 2003 Binaries spectrosc 11 225 IR 8 Catalog of Infrared Observations Edition 5 Gezari Blue objects J A A 366 498 IR 8 VI photometry of M33 star clusters Chandar 2001 Cipetnre of ar 3 49 121 870 IR 6 BVI photometry of Variables in H33 Macri 2001 ls gt Fov 11 125 IR 3 IRAS catalogue of Point Sources Version 2 0 IPAC 1 VI 111 IR 3 150 Observation Log ISO Data Centre 2004 WII 113 IR 3 Catalogued Galaxies 050s observed in IRAS Survey 1 Clear Close 11 126 IR 2 IRAS Serendipitous Survey Catalog IPAC 1986 11 1568 IR 2 IRAS Faint Source Catalog Ibl sgt 10 Version 2 0 v 114 IR 2 MSX6C Infrared Point Source Catalog Egan 2003 J AJ 109 2318 2 Extragalac 1 4 124 2990 TR 2 M5X galaxy WII 73 IR 1 IRAS Small WII 75 IR WII 109 IR VII 157 IR WII 185 IR Helou 1 Infrared Photometry and 2lcu data for nearby galaxie 1 IRAS Observations of Large Optical Galaxies Rice 1 The Extended 12um galaxy sample Rush 1993 1 IRAS 1 2 Jy IRAS Redshift Survey Strauss 1990 92 9 ue Radio 1 New VLA Sky Survey N
43. c 16 http cdsweb u strasbg fr people fb htm ttp cdsweb u strasbg fr people ao htm 18 http cdsweb u strasbg fr francoi 1 http cdsweb u strasbg fr people as htm the VOTable parser CDS acknowledges the support of INSU CNRS the Centre National d Etudes Spatiales CNES and Universit Louis Pasteur Collaboration with STScI and especially with the late Barry Lasker and with Brian McLean is gratefully ac knowledged We thank Jean Guibert and Ren Chesnel from CAI MAMA for their continuous support to the project We thank Roc Cutri IPAC for his kind help in setting up the ac cess to 2MASS images and data Implementation of external links has been made possible by the collaboration of the service producers We also thank Guilaine Lagache and Marc Antoine Miville Desch nes for setting up the access to the IRAS IRIS images We also thank for their contributions S Kale VOplot plug in facility R Savalle CFHT FoV T Mc Glynn Colormap adjustement original java code T West BMP writter original java code R White and P Dowler Hdecomp original C code and java code The Digitized Sky Survey was produced at the Space Telescope Science Institute under U S Government grant NAG W 2166 The images of these surveys are based on photographic data obtained us ing the Oschin Schmidt Telescope on Palomar Mountain and the UK Schmidt Telescope Java is a registered trademark of Sun Microsystems References
44. c 1999 2005 ULP CNRS Centre de Donn es astronomiques de Strasbourg 7 planes 2 views 24Mb o Fig 9 Example of ALADIN display of a famous image from the HST archive WFPC2 featuring the Eagle Nebula Objects present in Simbad GSC and USNO B1 0 are flagged with dif ferent symbols Field size is 2 6 arcmin full image right and 1 6 arcmin left 3 5 7 My Data Local user data files can also be overlaid just specify a file name a URL or a directory Specifying a directory Aladin will identify available data from the content of headers files Fits images or tables Votable or tabular tables see the informa tion in Section H 5 concerning accepted and used formats of images and tables and information to perform an astrometric calibration of images You can also load a backup of an ALADIN session see sec tion or script files see section F 6 Identified files are ranked on a tree Move the cursor over an image filename and the image or field of view contours FOV is displayed in the View window Push the History button and see section 4 for detailed explanations and uses of the tree presentation 3 6 Learning more about the astronomical objects 3 6 1 Selecting objects For information planes related to data bases SIMBAD VIZIER NED links are provided to the original data This is done in the following way when selecting an object on the image with the cursor summary information is displayed in the Measur
45. cessible on the World Wide Web at the address http aladin u strasbe fr 2 1 Aladin previewer The ALADIN previewer is a simple web page application that displays sky images centred on a given sky coordinate position or object name resolved to a coordinate by SIMBAD The de fault action is to return 14 1 x 14 1 DSS I images as these images are available for the whole sky The other options are to return the larger 6 x 6 DSS Plate view images or to con struct an RGB image from the DSS images Fig P The result of a request also includes a list of direct links to all the other images available at that position in the ALADIN image server in FITS or JPEG format E Aladin previewer Microsoft Internet Explorer Ekhier Edition Affichage Favoris Outils 2 LA Adresse http faladin u strasba Fr AladinPreview Aladin previewer M51 RGB composition Central coordinates of the field J2000 RA 13 29 52370 Dec 47 11 40 80 POSSVEDSSI Green POSSILF DSS2 jue POSSILJ DSS2 Available image s 2MASS H Fits 2MASS I Fits POSSLE DSSI pee POSSIL F DSS2 Jpeg OSSILT DSS2 pe POSSILT DSS2 pee POSSILAN DSS2 Jpeg Re load image New query Fig 2 Result page of ALADIN previewer for the galaxy M51 The default image is from DSS I 2 2 Aladin applet The Aladin Java applet is the primary public interface sup porting queries to the Aladin image server over
46. ches or sources not matching It is also possible to cross match according to the Simbad Identifiers when they are present After loading the two catalogues of objects containing co ordinates or a common identifier activate the Catalogue cross match tool within the scrolling menu Tools This opens a pop up menu where you identify your two catalogues and parametrise the cross match It must be noticed that if inside a table only B1950 ICRS or super galactic coordinates are available J2000 coordinates will be computed and included in a new column 3 9 5 Simbad Finger Activate the Simbad finger option with the pop up menu of the view window and move the cursor of the mouse on a preferen tially bright object Aladin will try its identification querying the Simbad database 3 10 Help You can obtain general or detailed information by opening the scroll Help menu and choosing one of the HELP options Opening the INTERACTIVE HELP MODE the first option move the mouse pointer on one of the interface compo nents a short help related to this component will be dis played within the view window Click elsewhere to quit the help mode Selecting the HELP ON ALADIN SCRIPT COMMANDS dis plays the list of script commands in the Aladin script con sole see section B The list of script commands are also displayed in the View window browse and explore the help clicking on the name of commands Within the Aladin sc
47. cle according to the magnitude of the object Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual lolx F Load Save VoPlot Print Help quit 52000 98 32 24 96 04 53 284 Field 06 32 18 03 04 52 00 1 12 91 x12 91 EE e al vest TEST cas ngc2244 E s 2 Soest wT TEST ea TEST A Vie n EIS TEST A E o TEST text FE 4 La Li we tag 7 2 AF 10 TEST fite Fold D CIRCLE ja Gsc12 A usnoz cont POSSILEDSSA A hist Zoom 2x z 72 S e a zomi i 7 Mie 2 CO N E svt pad pe ae gt Fig 27 Scope of filters see text As you can see the filter TEST applies to planes GSC1 2 and USNO2 which are below it but does not apply to plane Simbad CIRCLE applies to GSC1 2 which is in the same folder but does not apply to USNO2 even though it is located below CIRCLE Whenever a filter or a catalogue plane has moved when ever a new catalogue plane is created filters results are auto matically reprocessed and updated 8 3 6 Applying multiple filters You can apply several filters simultaneously Each filter has its own scope and each filter performs its actions apart from each other 8 3 7 Creating a filter in script mode Filters can be used in script mode via in line commands The syntax is almost identical The onl
48. corresponding to this proper motion If units are missing or could not be un derstood both parameters are assumed to be in mas yr By default a proper motion of Imas yr is displayed by an ar row of larcsec E g Draws proper motions Imas yr will correspond to an array of 5 arcsec draw pm 5 POS_EQ PMRA 5 S POS EQ PMDE 8 3 Usage in Aladin 8 3 1 Creating a filter Figure 26 describes how to create a filter First click on the Filter button in the tool bar This will create in the stack a new plane dedicated to a filter The Properties window will pop up in order to let you enter your definition Type in your filter defi nition or choose a predefined filter and press the Apply button In the properties window of a filter predefined filters are intended to help you understand the syntax of a filter 24 CNE EE Lo Load save Tools print quit ISition 12000 01 33 26 29 30 42 47 3 Pii hd unknown M33 E Properties of the filter Filtero A filter allows you to customize and constrain the display of catalogue planes in Aladin Label Fitero Deae Advanced mode zz Choose the filter you would like to apply amp Draw circles proportional to the object luminosity C Show brightest stars magnitude lt 12 C Show faintest stars magnitude gt 17 Write objecttype Draw proper motions of stars
49. data Aladin script or Aladin backup or metadata files The contents of the file is automatically detected by Aladin The file may be gzipped If the filename specifies a directory Aladin automatically creates a MetaData Tree describing all the data in the directory and its sub directories A metadata file describes a set of data The supported formats are Images FITS Tabular data TSV Tab Separated Value VOTable AstroRes MetaData tree SIA IDHA Script Aladin script AJS extension Backup Aladin stack backup AJ extension EXAMPLE load DSS1 M1 fits z SEE ALSO NAME select select views and or planes SYNOPSIS select x1 v1 x2 v2 DESCRIPTION Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 29 Select planes or views by their identifier in order to apply a function to them see also section A plane identifier can be the number of the plane in the Aladin stack the bottom one is 1 It can be also the label of the plane allowing use of the wildcard In this case the first plane matching the identifier will be taken into account In multiview mode you may select a view by its coordinates a letter for the column and a digit for the line ex B2 If a plane containing catalog sources is selected its sources will be selected also EXAMPLE select DSS1 V SERC select Al A3 C2 1 3 4 DSSI select unselect the previous selection
50. e image the shape and colour of the symbols can be modified on request and written labels can be added for explicit identification of the objects these features are also available for all the other data planes 3 5 3 VizieR Data from the CDS library of catalogues or tables VizieRPk Ochsenbein et al 2000 the user can type a catalogue name or select the desired catalogue from a preselected list including the major reference catalogues and surveys the user can alter natively select the catalogues for which entries may be avail able in the corresponding sky field using the VIZIER query mechanism by position catalogue name or keyword see be low for more details 3 5 4 NED Information from the NED database objects referenced in the NASA IPAC Extragalactic Database can also be visualized through queries submitted to the NED server at IPAC 3 5 5 Mission logs and Image Archives Archive images through mission logs Hubble Space Telescope HST Chandra VLA NRAO and FIRST images are currently available among others The user should first query the corre sponding observation log before retrieving the archived images from the Image Association CADC and similar buttons in the Measurement field Fig 7 and B Server selector E feios Choose an image server or a data server Image servers and fill in the associated form drawn below Data servers Aladin Missions in
51. e magnitude are 1 pane info To do that we will create this filter FI J Dump measurenen rt frame Clear Close Fig 21 The script console where ALADIN can be controlled via in line commands If the Target is omitted Aladin takes into account the last specified target If for an initial query there is only a Target and no ServerName Aladin will load a default set currently DSS I high resolution image SIMBAD and GSC1 2 You will find in the FAQ of the interactive HELP menu detailed possibilities for the syntax of shortcut commands Examples get Simbad VizieR GSC1 2 M 81 get Simbad 00 42 44 10 41 16 08 8 get Aladin DSS2 VizieR USNO2 NGC 7436 get Aladin DSS2 NED 18 19 13 50 get Skyview Rosat M 1 get SSS img UKST 2 Typing a Simbad object name or J2000 coordinates the reticle shifts to this position Script commands are submitted to the Command gt in the console window Script files can be be submitted typ ing the commands Aladin filescript or Aladin lt filescript Additionally the window interface can be removed by launching Aladin with the script parameter The list of script commands is detailed below see also the Help menu this help is also reported in the Appendix With x a number plane identifier number is the bottom of the Aladin plane stack or a label plane identifier allowing use of the wildcard with v a view in multiview mode the
52. e the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 SEE ALSO RGB NAME resamp create a resampled image SYNOPSIS resamp x1 v1 x2 v2 8 Full Closest Bilinear DESCRIPTION Resample a image according to the astrometrical solution of another image Available parameters 8 only on visual pixels 8 bits depth default F ull on the real pixels if they are avaiable C losest Closest pixel algorithm the fastest B ilinear Bilinear interpolation algorithm better default EXAMPLE resamp 2 3 resamp DSS 1 MAMA NOTES x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 SEE ALSO RGB NAME contour Draw isocontours of the current image SYNOPSIS contour nn nosmooth zoom DESCRIPTION Draw nn isocontours for the current selected image The result is set in a new plane which can be overlaid on other images of the same field nn sets the number of contours to draw If not defined 4 contours are plotted by default The parameter nosmooth allows one to switch the smoothing feature off Smoothing allows a faster computation and reduces the number of control points It is acti
53. e version can also be started with a java command line java jar Aladin jar Notice that InstallAnywhere provides a script to uninstall the code 7 2 Defining additional servers The user of the Standalone version can define and query new data or image servers besides Simbad Aladin or VizieR To do that you have to append the new server definitions in the configuration file AlaGlu dic present in the Standalone package use WinZip or similar tools to update this file and restart Aladin The servers have to be accessible by a simple URL with a HTTP GET method The syntax required for these server def initions follows the GLU recommendations Adapt this short example to your own needs ActionName Foo Description My own server definition Aladin Label MyServer SAladin Menu Others Aladin LabelPlane MyServer 1 2 DistribDomain ALADIN Owner CDS Aladin Url SParam Description SParam Description SParam Description SParam Description SParam DataType SParam DataType SParam DataType SParam Value SParam Value SParam Value SParam Value 1 Right Ascension 2 Declination S3 Radius 4 Color 1 Target RA S2 Target DEC 3 Field Radius 3 14 1 arcmin S4 Red S4 Blue S4 Infrared SResultDataType Mime image fits ActionName Unique identifier Description Server description Aladin Label Button or menu label Aladin Menu label or upper level button in case of a submenu
54. ee 18 5 4 MASS near infrared survey 18 5 RAS TR Wes hehe DR ee eS 18 5 6 DENIS ROSAT SDSS 18 5 mage astrometry 18 pends o gro de ee 19 19 BI VizgeR c ee ee 19 ES RUE thee fh Ak Re 19 pecific features of the Stand alone versio 19 ere 19 LIT The Java Virtual Machin 20 20 Re 20 20 20 21 21 22 22 22 8 2 5 Constraints 22 B20 Actions 22 8 2 Defining a colon 23 23 8 23 23 24 24 24 24 24 24 6 3 9 Miscellaneous 24 BD User feedback 25 25 26 g 27 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 3 1 Introduction 1 1 The ALADIN interactive sky atlas ALADIN is an interactive sky atlas developed and maintained by the Centre de Donn es astronomiques de Strasbourg CDS for the identification of astronomical sources through visual analysis of reference sky images Bonnarel et al 2000 ALADIN fully benefits from the environment of CDS databases and services SIMBAD reference database VizieR catalogue service etc and is designed as a multi purpose ser vice for use by the professional astronomical community ALADIN allows the user to visualize digitized images of any part of the sky to superimpose entries from the CDS as tronomical catalogues and tables and to interactively access related data and information
55. elected plane the one with a framed name by clicking on the del button Each image or catalogue plane has its own projection pa rameters target radius projection method You may create a folder to organize the different planes open a pop up menu right click with the mouse from the plane window Notice that filters section B inside a folder are active only for planes below the filter inside the folder 4 3 Interacting with the VizieR database ALADIN provides an interface to the astronomical catalogues and tables in the VizieR data base The interface between ALADIN and VizieR presents dif ferent alternatives for the choice of catalogues Once you have pushed the Load button and selected the VizieR Catalogs button from the query window Fig 20 14 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual Server selector 10 x Choose an image server or a data server Image servers and fillin the associated form drawn below Data servers Aladin VizieR catalog service EUR server Catalogs Specify a target and a catalog name or identification surveys m33 z sss Target f Getal px INTER Catalog 2112412990 Radius 10 sema columns Missions in VizieR Marti don t know which catalog Select the Sinead potentially interesting ones with words keywords spss Author freetext NED W
56. ement panel section B 6 2 the data line includes links to the original data that can be activated It is also possible to select with the cursor all objects in a rectangular area the corresponding objects are listed in the Measurement window the colour of the triangle at the left of each line recalls the data plane to which it refers To select all the objects of a data plane select this plane and use the contextual pop up menu related to the plane stack to create a new data plane with the selected sources open the pop up menu related to the View window Note that the position of the cursor is constantly translated in terms of right ascension and declination on the sky and visu alized in the Position window see also E 7 3 6 2 The Measurement window When objects are selected as explained above the data for these objects corresponding to the active data planes are listed in the Measurement window on the bottom of the ALADIN window This list includes basic information name position and when applicable number of bibliographical references and active links to the original catalogue or database Clicking on this link will open a separate browser window with the related data or bibliography from SIMBAD NED or VizieR Click on a line out of a link it will be red underlined to facilitate its identi fication You can scroll up down left right the contents of the mea surement window just by clicking and dragging on it You c
57. ents depend on some column values For each component the max and the min values are computed so that each value is normalized in order to be in the range 0 255 Example draw rgb PHOT_PHG_B 0 PHOT_PHG_B rainbow function has a single parameter in the range 0 1 This filter aims at going through the whole visible spec trum red to violet 0 to 1 If the parameter is variable for instance a column name the values are normalized be tween 0 and 1 This can be used to visualize a color index Example draw rainbow S PHOT_JHN_U B 8 2 8 Symbol shape Symbol shape can be customized through the call of an op tional parameter placed either just after the draw keyword or after the color function There are shapes without parameter they are the same as those in the properties of a catalogue plane square rhomb cross plus dot microdot Example Filter drawing different shapes according to the object class Draw a plus for Star objects S CLASS_OBJECT Star draw plus Draw a rhomb for Radio objects S CLASS_OBJECT Radio draw rhomb Draw a dot for other objects draw dot In addition there are some shape functions requiring pa rameters the circle function is used to draw a circle whose radius de pends on a parameter which can be any column or combina tion of columns The typical use of this function is drawing circles according to magnitude values There are
58. from SIMBAD NED VizieR or other archives for all known objects in the field ALADIN is particularly useful for multi spectral cross identifications of astronomical sources observation prepara tion and quality control of new data sets by comparison with standard catalogues covering the same region of sky Aladin Sky Atlas Mozilla Build ID 2002052918 DX Eile Edit view Go Bookmarks Tools Window Help amp A E Back 7 Forward Reload Ahrone fBooknarks Puenders vaut 4fconneotions prisrumal gf smartupdate guntplace D3 The Aladin Sky Atlas en fran ais E 77e etes trop mi v a Search Download Jump to E aan Aladin machine 6 ERES New Aladin V3 multiview April 2005 multiviews multiprojections resampling blinking GIF JPEG PNG compatible stampstage generator Xmatch tool signed applet HTTP authentication support etc Description Aladin is an interactive software sky atlas allowing the user to visualize digitized images of any part of the sky to superimpose entries from astronomical catalogs or personal user data files and to interactively access related data and information from the SIMBAD NED VizieR or other archives for all known objects in the field see available data Aladin is particularly useful for multi spectral cross identifications of astronomical sources observation preparation and quality control of new data sets
59. he Zoom Frame at the bottom right of the screen with the SHIFT key down to re adjust the current image to fill the view window 5 The image databases 5 1 Database summary The ALADIN image collection consists of The whole sky image database from the first Digitized Sky Survey DSS D digitized from photographic plates and dis tributed by the Space Telescope Science Institute STScI as a set of slightly compressed FITS images with a resolu tion of 1 8 arcsec first epoch Palomar O blue plates are also available DSS H full sky R and J band and Palomar B band sur veys scanned at STScI with a pixel size of 1 arcsec Images of crowded fields Galactic Plane Magellanic Clouds at the full resolution of 0 67 scanned at the Centre d Analyse des Images MAMA machine Observatoire de Paris the ESO R survey also digitized with the MAMA is half included in the data base and will be completed Global plate views 5 deg x5 deg or 6 deg x6 deg accord ing to the survey are also available for all the plates con tributing to the image atlas these are built at CDS by aver aging blocks of pixels from the original scans Low resolution images Aladin image server also provides DSS I images in low resolution generally 1 5 x 1 5 de grees The 2MASS J H and Ks images The sky survey has been released by the 2MASS Project Incremental Release 2 The IRAS IRIS 12 25 60 and 100 u images The
60. ib 4 gt LE m 33 all Fig 11 Example of display obtained when using the BLINK button The animation can be controlled interactively with the red and yellow buttons at the upper right corner of the View window 3 7 7 Resampling The Resampling button modifies the pixel distribution and the astrometric calibration of an image according to the pixel dis tribution and the astrometric calibration of another image Two methods are proposed one using the nearest neighbour pixel the other a bilinear interpolation 3 7 8 Contour plots The Cont button can be used to draw isocontours computed from the selected current image these contours can be over laid on other images as illustrated in Fig You may modify the number of plotted iscontours and reduce the fluctuations by computing the isocontours with a running average and or a fil ter select the contour plane in the Plane stack and press the Prop button Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 9 E EN Load Save Tools Print Help Quit Position 32000 Pixel fui unknown LP Pos Frs 15 Ze M33 E H ua mm tag _ All text TH Jul B E LI e gt Blink sampl os e Qe sontl usNo2 9 Z Isocontour at level 102 0 Fig 12 Contour plot of M 33 3
61. ied file The usual extension for this kind of file is AJ The internal format is Aladin proprietary XML syntax Only image tabular data and graphical overlays will be taken into account The original pixels are lost only the 8bit pixel values will be kept EXAMPLE 40 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual backup home M1 aj SEE ALSO NAME print print function SYNOPSIS print DESCRIPTION Allow one to print the current views In case of multiview mode the visible views will be printed on the same page NOTES Unfortunately Java Printer method opens automatically a stupid driver window before printing So this command CANNOT REALLY BE USED as a script command NAME info message status SYNOPSIS info msg DESCRIPTION Print a message in the status window between the main frame and the measurement frame If the demo mode is activated the message will be displayed in a separated window SEE ALSO NAME demo demonstration mode SYNOPSIS demo on off DESCRIPTION Switch on or off the demonstration mode If the demonstration mode is activated the script commands will be demon strated by explaining step by step how to obtain the same result with the Aladin graphical interface A typical usage demo on get Aladin MAMA galactic center NOTES Not all script command have a demo mode implemented In this ca
62. iel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 39 scale on off DESCRIPTION Switch on or off the overlay information on the views scale plane name North direction field size NAME reticle reticle management SYNOPSIS reticle on off DESCRIPTION Switch on or off the reticle designating the last click position The reticle is displayed as a large magenta colored cross NOTES An astronomical object or sexagesimal J2000 coordinates simply written instead of an Aladin script command will automatically move the target and the reticle to the corresponding position SEE ALSO attach NAME coord object show a specifical position SYNOPSIS hh mm ss dd mm ss sexagesimal notation dd dddd dd dddd decimal notation xxxx astronomical object identifier DESCRIPTION Show the specified position by moving the reticle large magenta colored cross on it If the user indicates an astro nomical object instead of coordinates Aladin will automatically query CDS sesame resolver to have the corresponding coordinates NOTES If some views are attach ed to the reticle their field will be automatically moved according to the position if possible EXAMPLE 05 34 31 97 22 00 52 1 083 63131 22 01160 MI SEE ALSO attach NAME backup backup the Aladin stack SYNOPSIS backup filename DESCRIPTION Generate a backup of the Aladin plane stack in the specif
63. in the View window Also if you click on the View window the corresponding posi tion will be automatically memorized in the Position window Move the cursor in the Position window or in the note Pad window to retrieve this position and possibly cut and paste into another application When you move the cursor on the object data line in the measurement window the position of this object is automati cally given in the current coordinate reference system in the position window You can easily display coordinates in another reference system using the nearby menu button if you select e g the Gal reference system and move the cursor on the ob ject data line you will see the position displayed in Galactic coordinates 4 8 Using the sHiFT key for hidden features In order to keep the Aladin interface as simple as possible some features are hidden and require the usage of the SHIFT key By this way you can Remove several planes at a time specify several planes by clicking on their name with the SHIFT key down After that press the del button Remove all views and planes with the SHIFT key down press the del button all views are removed Do it again and then all selected planes within the plane stack are removed Select several individual sources maintain the SHIFT key down and click on each source Open links in new browser windows click on the links with the SHIFT key down Reset the zoom click in t
64. io X 3 4 The plane stack The interface allows the user to stack several information planes related to the same sky field to superimpose related data from catalogues and databases and to obtain interactive access to the original data The user s eye symbolized by the eye logo sees the projec tion of all active planes in the View window A specific icon shows the type of a plane image data graphical element or filter The status of a plane is specified by a coloured signal to the right of its name flashing when the data are being retrieved 6 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual green when the data have been successfully retrieved red when the query failed orange for warning e g no astrometric reduc tion You can click on a plane icon to activate or deactivate it the icon is dark when the plane is active When clicking on the plane name you select it for the control buttons authorized for this plane type e g the Prop button displaying its properties Click and drag the plane icons to change the order of display in the stack In single view mode the first active image hides all planes underneath see section for more details on how to use the plane stack Clicking on the eye logo temporarily deactivates all the ta ble data planes and clicking again reactivates them The information planes in the stack may be of four different type
65. ipt console from the Tools menu all ac tions or commands sent and correctly executed since the begin ning of your Aladin session are printed in the Aladin console the echoed lines are bracketed In order to use Aladin in script mode Aladin can be controlled via in line commands These commands have to be submitted to the Command gt in the console window see Fig PI The detailed help on script commands is obtained from the Help menu and is also reported in the section F 4 and Appendix B Use the keyboard arrows to call back or mod ify any previously executed command Files containing a list of command are submitted to the console by using the script command load file The main basic script command is Get ServerName ServerName Target ServerName can be Simbad NED Aladin or VizieR For this last one the catalogue specification is required in parentheses For Aladin the survey colour or resolution can be specified as well between parentheses Target can be a Simbad identifier or J2000 coordinates in sexagesimal syntax i e Command gt zoom 2 3x nx Command gt info A ER in Aladin allows you to constraint the object us HAE Faut info First of all we are going to load USNO objects on NGC6946 field coer ffl Command gt get Aladin NGC6946 Fe get VizieRCUSNO B1 NGC6S46 sync Command gt Command gt robot on Command gt info Now we are going to keep only the HAE for which th
66. lays from any catalogue or table available at CDS or from SIMBAD and NED databases and access to a number of remote archives It allows the user to interactively make queries for images catalogues and data Images may be manipulated with a set of functions including zooming changing colour maps and pixel resampling Catalogues may be displayed with various colours and symbols and can be manipulated with filters Other graph ical functions such as contours drawings and distance vectors are also available 4 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual Previous versions of the ALADIN applet did not permit the use of personal files In version 3 this restriction has been lifted with the option of accessing the local directories of your com puter via the applet after accepting the security certification code that will be requested by your browser Accepting the security code means that all Aladin func tionalities will be available with access to your personal re sources discs printers and full network access If you refuse a restricted Aladin version will be opened only personal files accessible through an URL section B 5 7 remain available to this restricted Java applet 3 Using Aladin 3 1 Access The ALADIN home page is available through the CDS Web server at the following address http aladin u strasbg fr
67. ll a remote image or tabular data server SYNOPSIS get ServerName keyword ServerName Target RadiusUnit DESCRIPTION Allows one to query remote data providers The result images or tabular data will be memorized in an Aladin stack plane and a view of this plane is automatically created The get syntax is flexible in order to cover all kinds of servers ServerName Aladin Simbad VizieR NED SkyView SSS cat SSS img DSS ESO DSS STScl or even Fov or MyData or any other server names displayed in the server frame Each server name can be followed by a comma sepa rated keyword list in parentheses The number and order of the keywords does not matter Aladin tries to automatically associate the keywords with the server query vocabulary Target astronomical object identifier or J2000 coordinates in sexagesimal syntax with blank separator By default Aladin takes into account the last specified target Radius must be specified with units deg arcmin arcsec or with no blanks between the figures or the units By default Aladin takes the mos t appropriate radius according to the current view 299 EXAMPLE get Aladin M99 get Aladin DSS2 FITS Simbad VizieR GSC2 2 Sky View 2MASS M1 10 get MyData http myserver SEE ALSO oag Row Erexteviev Eng FmEouy NAME load load an image or tabular data file SYNOPSIS load filename DESCRIPTION Allows loading of a local file containing either an image tabular
68. m 10 5 7 10 0 Properties E Bars 95 Reset New Col 9 0 Full Range New Filter 8 5 Aladin About no Clear Sel Out Mode Select 7 5 7 0 6 7 8 9 10 i 12 13 14 Kmag mag Fig 16 Example of 2d plots with VOPlot 3 9 2 VOPlot VOPlot VO Indiafl written by the IUCAA and PSPL is a graphic facility for 2D plots and histograms of tables in VOTable format 4 http vo iucaa ernet in voi VOPlot has been interfaced with Aladin and opens a sep arate VOPlot window This implementation allows to catch an Aladin table selected filtered or not to plot one column ver sus another to make computation on columns or to make se lection with the cursor within 2D VOPlots and to export se lected objects backwards to the Aladin session in a new data plane A specific aspect is the interactivity between the two VOPlot and Aladin View windows it allows to identify and select objects within one window flashing within the other one while the informations are displayed in the Aladin measure ment window DX Load Save Tools Print Hel p Quit Position 32000 15 15 51 17 00 03 37 4 Pixel full unknown 22 DULLED DL amp EE cut gt ucacz D Nross 0 0 i a ROI on POSSI O 0552 ROI on POSSI O 0552 ROI on POSSIQggss2 ROI on POSSI O 0552 e a S ze 5 E View D3 POSSI 0 DSS2 622
69. m factor modifies the scale of all selected im ages different images may have different pixel arcsec scal ing Aladin will choose for each view the closest compat ible zoom factor Moving the green rectangle within the zoom window allows to explore and shift simultaneously all zoom views the views remain centered to the center of the green rectangle if possible Reticle click with the cursor of the mouse inside a view in all the views a cross appears at the same celestial coordinate po sition remark after this operation the other views are no more selected Attached images to the reticle position when you load several different images of the same field of the sky you can more easily explore their details with the zoom in multiview mode if you attach these images to the reticle to do the attachment open the pop up menu of the View window right clicking the mouse Keep at least one of the images without zoom to allow easier displacement of the cursor and the reticle through the whole image select the other images attach them to the reticle and adjust the zoom menu below the Zoom window Moving the reti cle from one place to another through the first un zoomed view the other zoomed views follow immediately the reti cle This allows simultaneous and easy zooming to explore the same region on all images and to shift quickly from one area to another Locked images In multiview mode you can lock images to keep them per
70. move or copy views multiview mode rm vl v2 ROI delete views save file save the current view image and overlay BMP format coord ob ject show a specified position IMAGE flipflop VIH vertical resp horizontal image in version reverse on off un reverse the current view cm gray BB A stern select the colour map RGB xl vl x2 v2 x3 v3 create a RGB image from planes x x2 x3 or view v1 v2 v3 blink x1 vl x2 v2 create a blink se quence of images resamp x1 x2 8 Full Cl bil create a resampled image contour nn no smooth zoom draw nn isocontours on the selected plane default 4 levels zoom draw the contours only on the zoom area CATALOGUE flipflop age inversion filter name filter content create a fil ter the filter content must follow the filter instruction rules see section 8 3 7 ex PHOT lt 16 draw filter name on off fied filter addcol x name UCD Unit expr column generator for a tabular data plane xmatch x1 x2 dist positional cross match tool between tabular data planes x1 and x2 creatplane name create a new catalogue plane with the current selected sources V H vertical resp horizontal pixel im switch on off the speci createROI npix radius create zoomed views around the selected sources GRAPHIC TOOL draw fct param add graphical overlays on views with three functions stri
71. nates RA and Dec of each entry Thanks to the filter features it is possible to use other pa rameters from the original catalogue e g magnitudes object types velocities in order to perform selections and also to modify the symbol shape color size or text according to one parameter or a combination of parameters using arithmetic op erators The position of the symbols always remains at the sky position in the current field Figure 24 is an illustration of the possible use of a filter http xxx yyy ra 1 amp dec 2 bright sources have been circled and labelled while magnified amp radius 3 amp color 4 proper motions are plotted This example can be built using and modifying predefined filters MAGNITUDE CUT PROPER MOTIONS A list of predefined filters is proposed to cover some fre quent situations and a pop up menu helps you to build filter commands For instance the predefined MAGNITUDE CUT filter allows to draw the objects of a table having a magnitude smaller than 16 The magnitudes come from the first column for which the object has a photometric magnitude given by a UCD of the S PHOT form Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 21 Wiha 2 j gt Ker j ii 4 e 4 gt S o A 4 ES T x Pres p ee 1 Fig 24 Example of magnitude circle and proper motions filter res
72. ng tag line grid on off un activate the coordinate grid reticle on off un activate the reticle scale on off un activate the scale line and other view overlays information FOLDER md mv xl name create a new folder x2 name move data planes x1 and x2 within folder name rm name delete a folder show name show and display the views of all the data planes disposed in a folder hide name hide the views accociated to the content of a folder MISCELLANEOUS backup file generate a backup proprietary AJ for mat of the Aladin plane stack print print the current views trace turn on and off the debug verbose mode reset reset the Aladin plane stack and views info msg print a message in the status window hist display the script command history in the Aladin console status display stack plane status mem display the current memory size help cmd off display this help demo demonstration mode sync wait until all planes are ready pause nn wait nn seconds default one timeout nn off set nn minutes as timeout default 15 quit stop Aladin Script example Suppose that the file foo contains the following lines grid get aladin dss2 vizier usno2 sync zoom 2x cm BB save m99 bmp quit m99 By redirecting the Aladin standard input as below java jar Aladin jar script lt foo Aladin produces transparently an image file called m99 bmp with a DSS
73. o draw vectors in the View window the corresponding angular distance differences in right ascension and declination and position angle appear in the Status panel below the View window Fig 0 Within the Zoom window a cut graph appears and plots the intensity of the image along the vector Moving the cursor in the zoom window displays the width of object intensity pro files In multiview mode see section H I cut graphs appears in each view at the same celestial coordinates select the cut graph segment in each view to obtain the corresponding inten sity profile 3 7 4 Filter Filters provide a means of selecting objects from any data plane based on the data plane values It allows for instance display of subsets of objects in tables satisfying logical expression cri teria built from combinations of operators or columns of these tables The selected objects are visualized by symbol overlays with shapes and colours that can be modified for example plotting symbols with size depending on values within a col umn of the table The filter can be activated deactivated or moved by click ing on the filter icon in the Plane stack the activated filters apply to any active data planes situated below its position in the Plane stack The objects selected with a filter can be stored by creating a new table pop up menu To create a filter push the FILTER button it opens a pop menu that assists writing the list of constraints with the
74. o visualize its FITS header 5 8 Image compression This service is currently provided for Schmidt plate images For the ALADIN Java interface and for the ALADIN previewer the current choice is to provide the user with a slightly compressed image in JPEG 8 bit format constructed from the original un compressed FITS images JPEG is a general purpose standard which is supported by all current Internet browsers The size of such an image does not exceed 30 kBytes and thus the corre sponding network load is very small Load the original digitized FITS images of POSS surveys to examine the faintest objects or faint and extended objects This is done after pushing the submit button Fig and selecting the FITS format into the Info Frame window 6 The catalogue and survey server 6 1 VizieR The ability to access all VIZIER multi wavelength catalogues and tables directly from ALADIN is a unique feature which makes it an extremely powerful tool for any cross identification or classification work The request of a catalogue around a target relies on a spe cial feature the genie of the lamp this is the ability to de cide which catalogues among the database of currently about 4000 catalogues or tables contain data records for astronomi cal objects lying in the selected sky area In order to do that an index map of VIZIER catalogues is produced and kept up to date on the basis of about ten pixels per square degree for each such
75. omas Boch ALADIN User s Manual Wait until all planes are ready corresponding to a not blinking status plane This command is unavoidable in script mode you should always use it before a save or zoom command EXAMPLE sync NAME pause script pause SYNOPSIS pause nn DESCRIPTION wait nn seconds 1 by default Very useful for demonstration NAME timeout timeout control SYNOPSIS timeout nn off DESCRIPTION This command is related to the get command By default a get command will be stopped after 15mn if there is no activity from the remote server With the timeout command you may increase or decrease this limit or suppress it at all together EXAMPLE timeout 30 timeout off SEE ALSO Get NAME reset reset Aladin SYNOPSIS reset DESCRIPTION Reset Aladin by removing all views and all planes Restore one view mode and clean the memory SEE ALSO cm NAME quit end of Aladin session SYNOPSIS quit DESCRIPTION Stop Aladin
76. on the requested position Original images can be requested but are not neces sarily centered 5 5 IRAS IRIS survey IRAS IRIS 12 25 60 100 y survey is 430 images for each band of 500x500 pixels 12 5 x12 5 with an angular pixel size 1 5 5 6 DENIS ROSAT SDSS The images of these surveys will become progressively avail able through the Aladin server the DENIS J J and K images The ROSAT All Sky Survey images and the SDSS images 5 7 Image astrometry Astrometric information comes from the FITS header of the DSS image However in some cases plate astrometry can be off by up to 4 preventing an absolute astrometric usage The main rea sons are 1 the pixel is 1 7 wide for the STScI images and 0 67 wide for the MAMA images the error on the position given by the DSS I calibrations STScI images can be of the order of 4 on the plate edges 2 The accuracy of the positions of one given image can easily be checked by superimposing reference astrometric catalogues Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 19 such as the Tycho 2 Catalogue or the US Naval Observatory Catalogue of Astrometric Standards USNO A2 0 You can visualize the FITS header only for the images downloaded in FITS format Select the plane of this image in the plane stack by clicking on its name and press the Prop button You will find a button t
77. onstraint the list of actions immediately follows the constraint and must be embraced by brackets Each action has to be separated either by a carriage return or by a semicolon BEGIN Are there remaining sources YES Consider next source Go to the begin of the filter Are there remaining blocks YES Consider next block NO NO Do the current source verifies constraints of the current block Perform all corresponding actions END Fig 25 How a filter processes a set of sources Figure 25 illustrates how a filter is applied to a set of sources If a source verifies the first constraint then each cor responding action is made and the next source is processed If it doesn t the program checks whether the source verifies the next constraint and so on until there are no more blocks If the source verifies no constraint at all it is not drawn 8 2 1 Invocating columns In constraints and in the parameters of actions UCDs and col umn names have to be pointed out in a specific way 22 The syntax is the following Parameters always begin with dollar sign UCDs are enclosed in square brackets E g S POS EQ PMDEC or PHOT FLUX RATIO are valid UCD names Column names are enclosed in braces 3 S LumRat or Imag are valid column names UCD names a
78. proposed images and to push the submit button Instead of typing the coordinate in the Target box you can grab it from images already loaded in the View window Push the Grab coord button of the image server and select the cen ter of the next image by clicking in the View window Images are extracted e g from Digitized Sky Surveys DSS covering the whole sky in several colours section B The size of a sky field is determined by the resolution of the image For full resolution images it is 14 1 in the case of Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 5 DSS I and 12 9 for DSS II The image server also currently provides DSS images in low resolution about 1 5 x 1 5 and global views of the original photographic Schmidt plates about 6 x 6 Other image surveys such as IRAS and the 2 Micron All Sky Survey 2MASS are also included in the image database To abort a query click on the plane name associated to your query Remove this plane by clicking the del button in the tool bar Ed Aladin v3 0 multiview Load lo x Save Tools Print Help Quit Position 12000 22 57 57 36 26 07 55 7 Pixel fui sd 0 6522 2 Posstg 0ss2 41 R E NGC 7436 F A 257 J E e i E Simbad ETS TAN TETE orador POSSLO DSS2 401 Provided by CDS
79. r depends of the nature of its parameters If the parameters describe planes x1 Aladin will remove these planes in the Aladin stack and all the associated views If the parameters describe views v1 Aladin will remove these views If the parameter is the ROT reserved keyword Aladin will remove all ROI views see createROI The all parameter will remove all planes and all views NOTES 90 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 SEE ALSO Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 31 NAME export save images or tabular data SYNOPSIS export x filename votable DESCRIPTION Export the plane x in the specify filename The image pixels will be truncated to 8 bits if the original pixels are not available Also the recorded WCS calibration will be the last one used for this image For tabular data the default format will be TSV Tab Separated Value but you can specify votable to change the format The RGB and Blink plane cannot be exported EXAMPLE export DSS1 V SERC C DSS2image fits NOTES 2999 x can be the plane label allowing use of wildcard or the plane number in the Aladin stack the bottom one is 1 SEE A
80. re case insensitive in fact they are automat ically converted to uppercase whereas column names are case sensitive The star and the question mark can be used as a wild cards in UCDs or column names For instance PHOT will point out the first column name being tagged by a UCD begin ning with PHOT 8 2 2 Comments Comments may be inserted into filters Each line beginning with will be ignored Example This is a comment 8 2 3 Arithmetic expressions using UCDs columns The following operators are used to combine catalogue param eters The parameters are specified via the corre sponding UCDs or column names They can be used to define constraints but also in some action parameters Example S Bjmag S PHOT JHN V gt 1 Do some action draw ellipse S E XTENSION RAD S EXTENSION RAD 1 S PHYS ECCENTRICITY 2 70 S POS POS ANG 8 2 4 Conditions A Condition is an arithmetic combination of Parameters fol lowed by a Comparison Operator followed by a Value The table below summarizes the allowed comparison oper ators for a numeric value Operator Meaning Example Equality 1 Inequality gt Greater or equals gt 12 0 gt Strictly greater gt 12 0 lt Less or equals lt 12 0 lt Strictly less lt 12 0 The table below summarizes the allowed comparison oper ators for a string value
81. ript console see section H 6 you can type and execute the help for a specific script command type help command Selecting among the Show me how to options wakes up a robot or demonstration mode and activates an anima tion You may select the animation for some elementary manipulations within Aladin how to load an image a cat alogue explain what is a filter etc To stop the demon stration press the ESC key keeping the cursor within the Show me how to window Animations can be activated for any other command through the Aladin console window with the demo command A typical usage is Command gt demo on Command gt get Aladin MAMA galactic center The other options give access to the FAQ and the updated version of this Manual 4 More Detailed Features 4 1 Multiview mode The multiview buttons are situated just at the bottom of the tool bar they can be activated to split the View window in 1 2 4 9 or 16 image panels The multiview mode facilitates the visual ization of smaller images from a list of selected objects It can be used to display simultaneously different images of the same field or different zooms within the same image This mode al lows to apply simultaneously on selected views various actions like zoom overlay drawing to handle examine create list of images v3 0 multiview E 10 x 2 Load Save Tools
82. s To move an image click and drag the view to another view panel To copy it press the CTRL key click and drag To add Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 13 an image to a blink click and drag the view or the plane to the blink image Tools Buttons of the Tool bar Cont Dist Tag Text Draw Selec and also overlay of catalogues can appear or pro duce simultaneous result in all view panels Zoom and Del buttons apply only on selected views For instance Tags and Drawings appear in the different selected views at exactly the same coordinate positions al lowing a quick identification of structures or objects in all selected views After applying the Text or Draw button within one view you may grab Selec button and shift the text or drawing that will move simultaneously within all the selected view panels Select objects from an overlay in one view the selection will be apparent and also enhanced in all the other selected views if of course the objects are effectively present The same thing happens again moving the cursor close to a cat alogue object the object blinks in all selected views Zoom to zoom simultaneously the different views of the same celestial field first click on one view to display it inside the zoom window select all the images press CTRL A keys that you want to zoom and scrutinize Then chang ing the zoo
83. s image planes from the image data base or from obser vatory archives data planes from SIMBAD NED or VIZIER graphics labels tags Field of Views etc or filters section Image and table data planes are loaded using the Server Selector menu activated by pushing the Load button Graphic overlays and filters are activated with buttons of the Tool bar see B 7 To create folders and organize the Plane stack open the pop up menu of the Plane stack by clicking on the right button of the mouse 3 5 Server selector Push the Load button to open the Server selector interface It gives access to Image servers Table data servers and also to your own data and specific instrument field of view graphics This interface is automaticly updated when new servers be come available 3 5 1 Image servers This server gives access to image pixels from the ALADIN database of digitized photographic plates DSS I MAMA DSS II from the 2MASS or IRAS IRIS surveys from other image servers SkyView SuperCosmos SDSS or from dis tributed image archives e g HST Functionalities include zooming capabilities inverse video modification of the colour table see B 7 10 B 7 P Also resampling and astrometric calibration that modify the content of the images see B 7 7 7 5 2 3 5 2 Simbad Information from the SIMBAD database Wenger et al 2000 objects referenced in SIMBAD are visualized by colour sym bols overlaid on top of th
84. s in the top menu are typical of the Standalone version 7 1 Starting the Stand alone version ALADIN Standalone version requires a Java Virtual Machine To be sure that you have a sufficiently recent one download the Aladin Java package that includes a Java VM 13 http aladin u strasbg fr AladinJava frame downloading 20 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 7 1 1 The Java Virtual Machine The Java binary code generated by a Java compiler is inde pendent from any hardware and operating system To be exe cuted it needs a virtual machine i e a program analyzing the binary code and executing the instructions This virtual ma chine is dependent on hardware and operating system Two types of Virtual Machines exist those included inside current Web Browsers and those running as an independent program 7 1 2 The AladinJava Stand alone package The AladinJava Standalone package is packaged by InstallAnywhere by ZeroG http www zerog com The package includes the Aladin code and an embedded Java Virtual Machine The installation does not require any special privileges but depends on your operating system see the Aladin standalone installation web page Executing the Aladin Standalone code will also depend on your operating system for instance an icon menu under Mac and Windows Aladin command under Unix etc The stan dalon
85. se the command is simply executed NAME status Aladin stack status SYNOPSIS status DESCRIPTION display the stack plane status on the standard output Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 41 NAME hist history SYNOPSIS hist n DESCRIPTION Display the script command history in the Aladin console and on the standard output By default the last 10 commands are displayed EXAMPLE hist 20 SEE ALSO Biag NAME trace turn on resp off the debug verbose mode SYNOPSIS trace 1 2 3 off DESCRIPTION Aladin supports 3 trace mode levels The trace messages are displaying on the standard output typically the xterm or the window console in which you launched Aladin If you have no console at all this command has no effect NAME mem memory status SYNOPSIS mem DESCRIPTION Display the java memory used after a garbage collector NAME help in line help SYNOPSIS help cmd all off DESCRIPTION display this help for each command and a resume of all available commands if there is no parameter The off parameter allows one to display the current view again The all parameter allows one to print on the console help about all Aladin script commands NAME sync plane synchronization SYNOPSIS sync DESCRIPTION 42 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Th
86. sky sur vey has been released by the ZIRAS project and has been recently reprocessed by the ZRIS project The WENNS images The survey covers the whole sky north of 30 at a wavelength of 92 cm 330 MHz see doc umentation in Vizier MSX images in both Magellanic Clouds and EROS 1 in the LMC are available Access is also provided to other image servers currently SkyView SuperCosmos SDSS and several mirror copies of the DSS image service Other image sets are available through the Missions in Vizier feature section B 5 5 currently HST or FIRST images can be retrieved and displayed High resolution images are currently stored as subimages of 500 x 500 pixels DSS D 768 x 768 pixels DSS IT or 1024 x 1024 pixels MAMA 10 http vizier u strasbg fr viz bin Cat VIII 6 18 The image server for ALADIN is able to deal with various survey data in heterogeneous formats uncompressed FITS compressed JPEG etc Finally user provided images in FITS JPEG or GIF for mat having suitable World Coordinate System information in the header can also be used through Aladin this functionality is available browsing your local directories FT Aladin v3 0 multiview ETERS z Load Save Tools Print Help Quit Position 42000 00 41 34 43 40 57 31 6 Pixel full unknown EN 3 m31 E U y Nosc2 2 EB Tycho 2 9 ZE 1w PossI 9 i EE
87. sult will be set in a new catalogue plane including a column with the separation in arcsec between the 2 matching sources in arcsec and all fields of both planes x1 and x2 The cross match is positionnal x1 contains the reference objects for which we seek counterparts in x2 One object of x1 is considering match with an object of x2 if they are separated by a distance lt max dist If an object in x1 has several matches in x2 all matches will be kept in the result plane Coordinate fields will be found according to proper UCDs POS EQ RA MAIN and POS EQ DEC MAIN NOTES xl and x2 can be either a plane label allowing use of wildcard or a plane number in the Aladin stack the bottom one is 1 NAME createplane source plane creation SYNOPSIS createplane name DESCRIPTION Create a new catalog plane in the Aladin stack with the current selected sources This command is useful to extract a set of objets after applying a filter or to merge two catalog planes together select x1 x2 createplane NOTES Notice that the select command on a catalog plane also selects its sources The typical sequence could be get Vizier GSC1 2 HD1 filter mag PHOT lt 6 S PHOT gt 10 hide filter mag on select GSC createplane MySelection SEE ALSO NAME createROI Region Of Interest extractor SYNOPSIS createROI npixels radius DESCRIPTION Allows one to automatically create zoomed views
88. the current target SYNOPSIS attach v1 v2 detach v1 v2 DESCRIPTION The attach behavior is interesting only in multiview mode or if the view does not show all the image depending of the zoom factor and the image size and the Aladin frame size in the screen In this case an attached view will always try to display the current target reticle position at the center of the view by moving the field of view automatically NOTES y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 EXAMPLE attach A2 C3 detach C1 detach detach all views SEE ALSO NAME lock unlock view locking SYNOPSIS lock v1 v2 unlock v1 v2 DESCRIPTION By default an Aladin view can be scrolled according to the current multiview mode You can lock a view to keep it in the same place even if you scroll the view panels This funtion is very usefull in multiview mode in order to easely select a set of views amongst a lots of views typically generated by the ROI extraction mechanism by moving the interesting view in a lock view NOTES y is the grid coordinate of a view with a letter for the column and a digit for the line ex B2 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 33 EXAMPLE lock Al A2 A3 unlock B2 unlock unlock all views SEE ALSO my NAME copy copy views SYN
89. ton of the mouse Note that it is possible to adjust the symbol size according to a measurement of this object section 8 Jax le ARE Sn S rol es 0 ane 5 Es Te 5 p Properties of the plane POSSI E DSS1 526 Pare Hsc2 2 Label POSSI E 651 526 E W Info POSSI ORIGIN E Red Color JOE E ER Shape dot Epoch 1953 83 WCS equinox 2000 0 Sources 1604 A cy Size 500x500 pixels Origin Provided by CDS VizieR catalog service origin ER SR ee Projection Astronetrical reduction TANGENTIAL New Edit Compute a new colunn Flipflop nethods Add a new column Top Bottom Right Left Apply Close Apply Close 2 O method method Aladin reduction New Esto Fig 14 Examples of Properties windows for a catalogue plane left and for an image plane right The colour and shape of the symbols from a data plane displayed in the View window can be modified by using the corresponding menus left Epoch and source of the image are given in the corre sponding window right It is also possible to modify the pro jection of the data points or the astrometric registration of the image 3 7 12 Remove planes and views del In single view mode selected planes blue framed name in the Plane stack are removed pushing the del button Pressing the SHIFT key and pushing the del button remove all planes In multiview mode pushing the del button removes your last selections
90. ts or to parametrise the Aladin session If you choose this solution you should first download the Aladin Java pack age it Aladin v3 0 multiview SA E Load Save Tools Print Help Quit Position 32000 12 01 38 83 18 53 01 8 Pixel full unknown Antennae ja BON a z e N o 4 lt a 7 N o A Simbad q EEE 2 a a a N N m HH E SE zon x 180 528462 18 899270 0675 008 180 528462 18 899270 19 5 18 2 1985 098 al gt 180 531020 18 903739 0675 11852092 180 531020 18 903739 20 4 17 8 1985 098 gt 180 519271 18 881904 520010212932 180 519271 18 881904 19 22 3 6 30 0 8 180 523988 18 871097 520010212992 180 523988 18 871097 14 68 16 06 0 5 29 0 1 180 511939 18 905512 520010219004 180 511939 18 905512 18 25 3 7 09 0 2 Fi 1 J c 1999 2005 ULP GNRS Centre de Donn es astronomiques de Strasbourg AAO R DSS2 572 Provided by CDS Aladin image server 6 planes 1 view 42Mb Fig 23 A view of the Aladin Standalone version featuring the Antennae galaxies Objects present in Tycho 2 GSC and USNO A2 0 are flagged with different symbols and a contour of the field of view of the HST WFPC2 camera has been dis played using the FoV function Field size is 14 arcmin The Save and Print button
91. ult For this example the filter command appearing in the filter window has the form S PHOT lt 16 draw and can be easily modified The UCD generic name PHOT may be replaced by any columns of loaded tables The names of all the available loaded columns during a Aladin session can be displayed by activating a pop up menu right button mouse in the command menu of the filter properties window This allows to select and load a column name in the filter command win dow 8 2 Syntax A Filter consists of a list of Constraints and associated Actions Example of filter Action 1 Action 2 Action 3 Constraint 1 Constraint 2 A Constraint is a set of Conditions combined by logical operators AND OR Example of constraint Condition 1 amp amp Condition 2 Condition 3 A Condition applies to Parameters or combination of pa rameters Examples of conditions Valu Parameter 2 Parameter gt Parameter 1 Valu Parameters are specified via the corresponding column names or UCDs Unified Content Descriptors Examples of parameters via UCD PHOT_JHN_V via column name Vmag A Value can be a numeric value or a string value The global structure is quite similar to a switch structure in C which would have a break statement at the end of each case It means that if a source verifies one constraint the program will not run into following cases for this source Note for a given c
92. umn name or UCD designation In the case of multiple matching columns the first one will be taken into account EXAMPLE filter star CLASS OBJECT Star draw filter flux flux gt 1000000 Jy s draw cyan plus draw circle PHOT NOTES Refer to the Filters manual for more details NAME addcol column generator SYNOPSIS addcol plane index or plane name new column name UCD for new col unit for new col expr of new col DESCRIPTION Allow one to generate a new column for a tabular data plane The new column will appear in red color in the measurement frame The column references can be specified by their name syntax name or by the UCD associated to syntax UCD Available operators are power Available functions are abs absolute value cos cosinus deg2rad degrees to radians exp exponential In natural logarithm log base 10 logarithm rad2deg radians to degrees sin sinus tan tangent UCD and unit parameters are optional and can be left blank EXAMPLE addcol GSC2 2 B V PHOT_MAG Bmag Vmag addcol 1 flux 10 0 4 8 46 Imag NAME xmatch Cross match tool Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 37 SYNOPSIS xmatch x1 x2 max dist in arcsec DESCRIPTION Allows one to cross match two tabular data planes The re
93. unctions B 7 Zoom window the square window at the bottom right cor ner displays a quick view of the complete field and can be used to monitor the zoom factor B 7 9 Measurement window the rectangular panel at the bottom is used for displaying data related to objects selected with mouse and cursor in the View window 8 6 2 It can be split into a separate wider window Status panel a small rectangular area between the View window and the Measurement window is mainly used for displaying status messages related to selected objects Contextual menus appear when clicking on the right button of the mouse or CTRL click in the MacOS environment These menus are different according to the view panels Bega Aladin v3 0 multiview is ES load Save Tools Print Help Quit Position 32000 12 40 05 44 11 37 27 4 Pixel _full unknown mia 5 ExitEPEoinic folie alias zaon fd HE ref DE 4594 gt ref al NGC 4594 DKV2003 X107 gt NGC 4594 DKV2003 X110 12h40m05 7s 12h40m06 95 12h40m08 4s 11d37mlls 11d37m22s 11d37miis XRays XRayS XRay5 ref 1 1 J r c 1999 2005 ULP CNRS Centre de Donn es astronomiques de Strasbourg 6 planes 4 views 50Mb Fig 6 Example of the ALADIN interface window in multiwiew mode The galaxy M104 seen in different wavelength optical IR rad
94. vated by default The parameter zoom restricts the computation to the current view of the selected image plane By default contours are computed over the whole image NAME filter Define and activate a filter 36 Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual SYNOPSIS filter name condition draw hide color action1 condition draw hide color action2 filter name on off DESCRIPTION A filter is a special plane constraining how the sources of the catalog planes beneath it in the Aladin stack will be displayed The first syntax allows to define a new filter the second syntax allows switching the specified filter on or off Available operators are power Available functions are abs absolute value cos cosinus deg2rad degrees to radians exp exponential In natural logarithm log base 10 logarithm rad2deg radians to degrees sin sinus tan tangent The available actions are square cross rhomb plus dot microdot circle param min radius size max radius size fill circle param min radius size max radius size ellipse semi major axis semi minor axis pos angle pm proper motion RA proper motion Dec rainbow param The column references can be specified by their name syntax name or by the UCD associated to syntax UCD The wildcard can be used both for col
95. veral images Siy listor yer LIRE E 2mass KCIR K 8 6 x17 1 9904065 k Simbad SDSS AAO R optical R 12 8 x12 8 DSS2 444 AAO Roptical R 6 4 x6 4 DS552 444 NED Eso Rloptical R 11 4 x11 4 MAMA 444 Eso Rloptical R 6 3 x6 3 MAMA 444 VLA 1 R IRAS IRIS 100MU 100 0 um 12 5 x12 5 I113B4H0 Others IRAS IRIS 12MU 12 0 um 12 5 x12 5 1113B1H0 Others 5 gt IRAS IRIS 25MU 25 0 um 12 5 xl2 5 I113B2H0 SDSS 7 IRAS IRIS 60MU 60 0 um 12 5 x12 5 I113B3H0 e others SERC I optical I 12 8 x12 8 D552 445 SERC I optical I 6 4 x6 4 DS52 445 MyData Default if available JPEG v FITS Fov SUBMIT History Reset Clear Close 3 Fig 4 Example of Images Data ALADIN Load panel 3 2 Getting started The typical usage scenario starts with a request of the digitized image for an area of the sky defined by its central position or name of central object to be resolved by SIMBAD This is done by pushing the Load button which opens the query panel in a new window Fig A The left side of the query panel lists the different image servers starting with the Aladin image col lection at CDS while the right side lists the data and archive servers Push the button corresponding to the Aladin server type in the Target box the name object push the submit but ton and the list of all available images for the field will be dis played The user is expected to select one or several of the
96. y are labelled AZ A2 B the in line commands are PLANE get servers target radiusUnit execute a command to call image and data servers ex get aladin DSS2 VizieR GSC M99 load file create a new plane with the file image or data select x select the plane x rename x newname name or rename a plane hide x x1 x2 hide planes show x1 x2 show planes mv x1 x2 move plane x below plane x2 or into if x2 is a folder 16 VI Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual rm x all delete planes export nn file votable save images or tabu lar data from plane number nn FITS formats for image txt or VOTable otherwise EW modeview 1 2 4 9 16 the multiview controller opens 1 2 16 views createview x v only in multiview mode al lows to create a view at position v from the data plane at position x in Aladin stack select v1 v2 select views in multimode view views vi v2 are labelled AZ A2 B1 zoom fct change zoom factor on the current view 1 2x 4x attach detach v1 v2 view attachment to the current target in multiview mode the attach view al ways try to display the current target reticle position locklunlock vi v2 lock a view to keep it in the same place in multiview mode even scrolling the view panels mv copy v1 v2
97. y difference is that the com mand starts with filter filtername and ends with a closing bracket The filter definition can be on multiple lines the prompt shows Aladin Filter def until the final is entered Example Aladin gt filter circle Aladin Filter def gt draw circle PHOT Aladin Filter def gt 8 3 8 Miscellaneous Figure 28 shows buttons contained in the Properties window of a filter Export creates a new catalogue plane containing all filtered sources This can be useful to save the result of a filtering process Olivier Bienaym Daniel Egret Mark Allen Fran ois Bonnarel Pierre Fernique Thomas Boch ALADIN User s Manual 25 GR T Load Save Tools Print Help quit Position 12000 EE Pixel un x 3 E SD quem Sigo e ms 9 73 9 Ta a gro oc A 3 3 RENE 5 DLLD OO Properties of the filter Filter1 fitet O GSC2 2 e BA Simbad vss2 upos oF Afilter allows you to customize and constrain the display of catalogue planes in Aladin Label Filter Beginner mode Handel Choose a predefined filter Predefined fiters Or enter your own filter definition eg t8mag lt 0 draw red square Pick Columns UCDs Actions Maths Units Disp Text This filter draws for each source the content of the column tagged by the UCD CLASS OBJEC

ALADIN User`s Manual

Contents

Download Pdf Manuals

Related Search

Related Contents