Telescopio Nazionale Galileo HARPS
Contents
1. R a a n ca Telescopio Nazionale Galileo HARPS N OPERATION GUIDE Draft Manual version 1 2 TNG MAN HARPN 0003 Date 14 01 2013 v1 1 Prepared R Cosentino TNG MAN HAN 0003 Date 14 12 2012 Change Record Section Page affected First version Reason Remarks N Autoguider added 14 01 2013 04 02 2013 TNG MAN HAN 0003 3 Contents Change Record siriani rr E E 2 E INFOGUELO re E E 4 1 1 SCO 4 1 2 PRG ELON II ONO Nc crea assai 4 1 3 CONC ETON iil El OM garter cette ance E A E 4 2 BETO CME 0S SIVA ONS santo icwcnmucanetiensdaesaentaucaratenadiapidaess ER EE RART TRENE eran 5 2 1 The Observation blocks preparation 5 2 2 The Sequencer GUI initialization andoperation 6 2 2 1 INIZI 6 2 2 2 BeIOLCENECAlIDratio li rr tata 7 2 3 The standard calibration daily Calibration iii 7 3 DOScialioS illa 8 3 1 TPS See HI SAU anna 8 3 2 THETOCUS procedime csiccccncwssssdaevaccanenwatdenessseedeawsadncuowssoasguVaneswavacdeneausdibadesuenasaawentesedawaedocweraGbengals 8 3 3 The pointing model procedure Lr 8 3 4 TNESCIENCE OB executio eocenie n E N O a 9 3 5 TAC AUTO aU O e seat AEA ENA AAEE EEA OO AA AA A AAE A 10 3 5 1 The HARPS N AutoGuider windoWS Li 11 3 5 2 The Integrated Image WINGOW Li 11 3 6 The endoll observat o 1 nee eee eee eee re ene eee ee er ee ia 11 TNG MAN H2. 40 II Figure 4 Acquisition Image window 4 When the image appears if the star is in the fiber position red circle click in the Accept button in the Acquisition Image window After that the sequencer starts the auto guide and the spectroscopic acquisition When the OB ends a bell sound confirms the correct execution of the command and the Next Acquisition button turns in active mode TNG MAN HAN 0003 10 3 5 The Autoguide The autoguider starts when the observer clicks on the accept button of the sequencer GUI and two windows opens Figure 5 and Figure 6 1 The HARPS N AutoGuider windows 2 The Integrated Image window HARPS N AutoGuider Data to display Raw data Li Centroid ix Fit Hole Radius Hole Radius pixels 203 8 200 100 0 100 1 1 1 1 I 1 1 I rt 0 200 400 600 amp 00 1000 1200 1400 1600 1870 sample 60x600 0 0 Ref Update Msghiof 3 GID UpdateStatus I 0003 New REF x 218 0 267 0 ESE calculatedNew HOLE REF x 0002 New REF 211 0 275 0 V 218 5 266 8 0001 New REF x 207 0 263 0 i I 1 E I 1 I 1 Naot Be 27 4774 xcen 200 400 600 800 1000 1200 1400 1600 1800 2120 q cen sample Stable 3 Stable 28 8124 cia Stable i Stable Stable Di Stable Stable a Stable 2 Stahle a Stahle Cent Diff pixel Average Image Threshold Centroid ix Fit Hole Radius 100 0 100 1 I
3. 00h00m00 000 53 41 41 100 SSUES CeCe mee 19 HARPN focus 00h00m00 000 53 41 41 100 ana R 4 From the sequencer execute this OB by clicking the Next Observation button The sequencer sends the commands to point the telescope move the M2 mirror acquire an image from the autoguider camera and shows the image in the Acquisition Image window 5 Click on the star and then click on the Repoint button in the Acquisition Image window The sequencer executes the focus procedure and moves the M2 mirror at the best position The focus procedure is about 10 minutes long 3 3 The pointing model procedure Sometimes the pointing precision can be poor and the telescope could need the execution of a pointing procedure The pointing procedure must be done in collaboration with the telescope operator TO and the TO has to know some information during the procedure The sequences of actions to manage the pointing procedure are 1 Inthe NSTS select a star from the catalog HARPSN PointingModel cat located in home guest GAPS CATALOGS 2 Delete the HARPN_ech_obs_all template ID Name Target Alpha Delta BG E 9 17 HAM_OB_SCIENCE HR4554 00h00m00 000 53 41 41 100 uae ae 14 HARPN ech acq objA 00h00m00 000 53 41 41 100 TNG MAN HAN 0003 9 3 From the sequencer execute this OB by clicking the Next Observation button and tell to the TO when the AG image starts this is the critical point of this procedure Sequencer Thu Dec 27 23 1
4. setted The information shown depends by the hole s find method selected Manual mode the fiber s reference position is based on a table and can be modified by the user dragging with the mouse the green cross pointer Automatic mode the fiber s reference position is calculated by the selected algorithm The red circle represent the contour of the star the blue circle the shape of the hole 3 6 The end of observation At the end of observations is very important to shut down the system correctly and starts the telemetry TNG MAN HAN 0003 The shut down procedures are described in details in the capter 5 of the HARPS N Quick Start Guide 12
5. 2 29 UTC 2012 gt launch AG expose 4 When the image of the star appears clicks on the star then clicks on the Repoint button in the Acquisition Image window and tell to the TO that the offset has been applied 5 The TO takes note in the VME of the offset applied the paralactic angle and uses these data in the pointing procedure 6 Repeat the cycle with another star from point 1 until the pointing procedure reaches the precision expected 3 4 The science OB execution Inthe execution of a scientific OB the object has to be pointed and centered in the fibre with the intervention of the observer 1 Inthe NSTS select a star from the catalog ID Name Target Alpha Delta Se 1g 14 HAM_OB SCIENCE HR4554 00h00m00 000 53 41 41 100 ee 1 HARPN ech _acq objA 00h00m00 000 53 41 41 100 14 HARPN ech obs all SS eee 2 From the sequencer execute this OB by clicking the Next Observation button The sequencer sends the commands to move the telescope acquire an image from the autoguider camera and shows the image in the Acquisition Image window 3 Click on the star and then click on the Repoint button in the Acquisition Image window The sequencer sends an offset to the telescope puts the star in the fiber position acquires another image from the autoguider camera and shows the image in the Acquisition Image window Acquisition Image L TTW lt
6. AN 0003 4 1 Introduction 1 1 Scope This User Manual is intended to give all necessary information to potential users of the HARPS N instrument to help them to use the instrument and manages the observation at the TNG telescope The following documents are closely related to this manual and should be consulted as well e The HARPS N User Manual TNG MAN HARPN 0002 e The HARPS N Startup Manual TNG MAN HARPN 0001 e The New Short Term Scheduler User Manual NSTS e The DRS User Manual 0G MAN HAN 13 0004 Both are available through the TNG web page http www tng iac es instruments harps 1 2 Additional information The latest information updates about the HARPS N instrument can be found on the HARPS N web pages http www tng iac es instruments harps 1 3 Contact information Feedback on this User Manual from users is encouraged Please email to cosentino tng iac es TNG MAN HAN 0003 5 2 Before the observations Starts up the system following the instructions of the HARPS N Quick Start Guide and take care to read all the advices reported at the beginning of the manual 2 1 The Observation blocks preparation From the NSTS the observer can prepare the sequence of observation blocks of the night Figure 1 The target can be inserted directly in the NSTS or by using a catalog file that contains the objects information The format of the catalog file is an ascii file and the fields separator is a TAB ascii code 9 T
7. I I 1 I I 1 I I 0 200 400 600 800 1000 1200 1400 1600 18001959 sample as wih 601261 45 37 MsgNo fo GID UpdateStatus REF x Y 218 0 267 0 pare CENT REF X Y 230 0 277 0 I Don t Uodate HOLE REF X Y 216 0 267 0 REF X Y 218 0 267 0 1 1 1 I 1 I 1 I I re 7 fo 4 500 1000 1500 2000 2500 3000 3500 4000 4462 27 0663 een ee PRETA 1 i 221 0 264 sample Stable Stable Stable Stable Stable Stable A 2 956 _ een REF X Y 219 0 266 0 t Stable Stable Bee Stable a Stable so 0 94338 0 97392 O Stable c Stable 2 Stahle 2 2 Stahle Figure 6 Autoguider and Front End Monitor manual mode TNG MAN HAN 0003 11 3 5 1 The HARPS N AutoGuider windows This window shows the autoguider images some information about the guide settings and status and allows to change the guide mode 3 5 1 1 Feedback offload tab The feedback tab open a menu where the user can change the parameter of the tip tilt correction e Use Feedback gt enable disable the tip tilt correction and offload sim or Feedback Mask Hole e The gain and delay value change the behaviour of tip tilt Use Feedback Gain Delay ms 30 2 Jo Wait for User Guiding Now e Wait foruser gt freeze the starting of autoguider e Guiding now unfreeze the starting of autoguider start autoguide The Wait for user button remains active few seconds before the automatic start
8. L POS 22 HARPN_instr_ag_init Oli 9 234 OB_TECHNICAL 0 0 0 0 INS OPTI2 Pos_ 23 HARPN tec_startnight Oli o 244 OB SCIENCE HD127334 14h29 411471 6 0 Luana as 1 INS ROT1 DST o 254 OB SCIENCE HD127334 14h29 41 47 44 6 0 O a 5 f gt 264 OB_SCIENCE HD127334 14h29 41 47 4 6 00 00 Luana vee 10 o 274 OB SCIENCE HD127334 14h29 41 47 4 6 0 1 1 110 rtl 284 OB SCIENCE HD127334 14h29 41 47 4 6 0 Luna aa 10 o 294 OB SCIENCE HD127334 14h29 41 474 6 0 Lui ai 10 INS LAMP1 ST 0 v Tun 304 OB SCIENCE HD185144 19h32 69 39 4 amp 0 6 10 g 31d OB CALIBRATION NONE 0 8 Sa 2 31 HARPN_ech_cal_waveAB see sp 02 40 0 1 PA lol mean 3l HARPN_ech_cal_waveAB 02 40 0 1 gt 324 OB CALIBRATION NONE da cpl Pa da INS LAMP3 ST 1 v Thar2 q 334 OB_SCIENCE K00141 19h12 50239 05 B 1L OG Fe sa 3 33 HARPN_ech_acq_objAB 19h12m09 50 39 05 8 13 021 gt i ith oom 16h 00m 18h 00m 20h 00m 22h 00m 00h 00m 02h 00m 04h 00m 068 00m 08h 00m 10h 00m 12h 00m b d 1 4 1 6 1 8 56070 56071 Sideral Time o __ I 06h 0 12h 00m 14h 00m 16h 00m 18h 00m 20h dom Horizon Meridian Zenith f amp Start Night 4 End Night Moon Position Moon Velocity Airmass Figure 1 Short Term Sche
9. Mart Maghi ITHO On e OFF ind sight THO J ON es or Obsenme Matus Ugquiiaion image Los scale Fate Mot D Add to magnitude x 1 lt lt 1pEZ lt EE __ _ Zunm i tae ear Figure 2 The sequencer GUI TNG MAN HAN 0003 7 2 2 2 Before the calibration Few minute before the start of calibration about 10 minutes the observer has to turn on the thorium lamps In the Instrument control section Click on the ON flag of THO1 lamp Click on the ON flag of THO2 lamp Click on the Set Lamp button PR a e On the LCU Device Monitor verify the lamps status Figure 3 LCU_DEYMon yi File Edit Operate Tools Window Help gt 21 HARPS N LCU Device Monitor devMon Loop fl updateT ms aS DEE FFLED THAR2 THARI TUN Figure 3 LCU Device Monitor A bell sound confirms the correct execution of the command 2 3 The standard calibration daily calibration The daily calibration is very important to do in the afternoon about 1 hour before the start of observation 1 From the NSTS selects the standard calibration OB 2 From the sequencer GUI click in the Next Observation button 3 Verify in the DRS if the calibration goes without errors During the command execution the status is visualized into the observing status window and at the end of execution a bell sound confirms the correct execution of the command if the sound is a horn noise this means that some
10. duler TNG MAN HAN 0003 6 2 2 The Sequencer GUI initialization and operation After the startup of HARPS N the instrument is ready to the the initialization of the subsystems and the start of operation The sequencer GUI Figure 2 is divided into several sections e The sequence control buttons for the interaction with the observing blocks e The Instrument control buttons for the interaction with the HARPS N s subsystems e The observing status window where the commands execution and the errors are shown e The acquisition image window where the autoguider s image is shown e The acquisition image button accept repoint etc allows to do actions related with the autoguider s image During the command execution the status is visualized into the observing status window and at the end of execution a bell sound confirms the correct execution of the command if the sound is a horn noise this means that something does wrong and an error should be shown in the observing status window 2 2 1 Initialization From the instrument control section click on the LCU Init button and wait until the command ends Then click on the AG Init button and wait until the command ends The system now is ready to calibrations but not for the observations Ano Observation Contre System ti Sequence Central Newel ODs shee Rua Quewe Exposure Expose Read 0 seconds instruments Contini AC tent Set Lame LOU inn T LEN ON e of
11. he fields of the catalog are shown in the mandatory fields are shown in bold format An example of catalog file is shown in the HARPS N webpage http www tng iac es instruments harps data SpStdHARPSN cat Table 1 Catalog file entries object code right ascension nn nn nn nn Declination nn nn nn nn radvel mean radial velocity KM sec or 99999 sn Signal Noise 550nm spectr spectral type for the mask two chars only template es HARPN ech acg ObjJA equinox equinox program identificator es TAC XX piname PI name New Short Term Scheduler File Edit Options Communication Help JEZE 05 HA De 0000 O tl 410 Place Unix Time 1337738040 UT 01 54 00 Night Nautical UT 20 57 27 05 18 27 Moon Alpha 05h37m Zone WET MJD 56070 079 LT 02 54 00 ER 2E5727 06 18 27 Delta 21d32m Offset 0 Date 23 05 2012 ST 16 46 50 ST 11 49 28 20 11 50 Vel No Target ID Name Target Alpha Delta MV St TExp Ai Nr Template Observation __ 204 HARPN_ech_obs_all i lx A 01 12 leel l l MAIN PARAMETERS DET DPR INS OCS TPL TEL g 217 OB_TECHNICAL 0 0 0 0 21 4 HARPN_instr_lcu_init ce Dli INS MIRR POS 21 HARPN instr_ag_init Oln 21 HARPN tec set lamp __ E eo EE lt e 224 OB TECHNICAL 0 0 0 0 INS OPTI
12. ing of autoguide If the user sets this button on Yes the autoguide get stuck until the Guiding Now button is selected 3 5 1 2 Mask tab pr To avoid the contamination of others star close to the guide star in the guide a Figure 7 Feedback panel mask around the guide star can be selected to be completed Masksize On off 3 5 1 3 Hole tab With this panel is possible to select the hole find method the centering algorithm and the hole s dimension optional Feedback Mask Hole e ManualHole Find gt selects the manual or automatic method Manual Hole Find The auto hole method gt select the algotithm for guiding end for the hole Lato d Auto Hole Method center calculation A 20 curve Ft e Fix fit Hole Radius gt change the default hole dimension to a user selected Fix Fit Hole Radius Hole Radius pixels 13 8 At the bottom of the panel a button menu allow the user to change the zoom In the The HARPS N AutoGuider windows Figure 6 the white cross represent the center of the star and the red cross is the center of the fiber auto hole method The algorithm for the calculation of the fiber position and forthe star s center position can be choose between the centroid or 2Curve algorithm 3 5 2 The Integrated Image window This window shows the integrated images some informations of the guide s execution and allows to change the reference point fiber position when the manual mode is
13. thing goes wrong and anerror should be shown in the observing status window The standard calibration procedure is about 11 minutes long Very important When the calibration ends turn off the thorium 1 lamp Click on the OFF flag of THO1 lamp Click on the ON flag of THO2 lamp if you will observes in thorium simultaneous mode Click on the Set Lamp button On the LCU Device Monitor verify the lamps status Figure 3 ii cl i TNG MAN HAN 0003 8 3 Observations 3 1 The start night Before the start of observation the system needs that some processes starts and that the telescope is ready to work in HARPS N mode 1 Besure that the system is initialized and ready to work Start up procedures in the HARPS N Quick Start Guide 2 Inthe sequencer GUI click in the Start Night button in the Instrument Control section and wait the end of execution of the command Now HARPS N is ready for observations 3 2 The focus procedure At the beginning of the night may be suitable do a focus procedure doing the following actions 1 Inthe NSTS selects a star from the catalog Name Target Alpha Delta ARE MWe 1 HAM_OB_SCIENCE HR4554 00h00m00 000 53 41 41 100 REESE 17 HARPN_ech_acq objA 00h00m00 000 53 41 41 100 14 HARPN ech obs all coil 2 Delete the HARPN_ ech_obs_all template 3 Change the HARPN_ech_acq_objXX to HARPN_ focus ID Name ia Target 7 Alpha Delta A am N a a gq 17 OB_ SCIENCE HR4554
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