HARPS-N Operation Guide - Telescopio Nazionale Galileo
Contents
1. Sequence amp Instrument Control Commands Simulation Observations Execution logs Sequence Control Instrument Control gt Next OB Start End Night 18 25 09 START HARPN_instr_ag_init 18 25 24 Execute AG _ Init Single OB Queue Mode Start Night End Night 18 26 25 OK Current OB Status 18 28 29 Finished Start End Telescope 18 30 05 START HARPN_instr_Icu_init Exposure 00 00 00 18 30 07 Execute FEU_LcuUsblnit 18 30 47 OK Beatie Fi Start Tel End Tel UNDEFINED 18 30 47 Execute FEU_Init 18 32 22 OK OB Block name Technical Start End Instrument 18 32 22 Execute CU Init Template ID 1 i 18 33 03 OK ei Start Ins End Ins cd UNDEFINED 18 33 03 Execute EXPM_Init 18 33 03 OK NEXP 1 Ana Cadin 18 33 03 Execute EXPM_MonitorStart Status FINISHED 18 33 04 OK 18 34 06 Finished AG Init a READY LCU LCU Init READY Dust Cover Acquisition Control Open Close dd UNDEFINED Add Magnitude oH porate l TUN Lamp X Coordinate 0 0 Turn ON Turn OFF UNDEFINED Y Coordinate 0 0 FWHM X 0 0 THAR1 Lamp FWHM Y 0 0 Turn ON Turn OFF cd UNDEFINED Peak 0 0 THAR2 Lamp Background 0 0 Turn ON Turn OFF cd UNDEFINED _ Automatic Acquisition Figure 2 The Sequencer GUI Note 1 The red log Failed to fetch data from telemetry is not an error and can be ignored as error if appears during calibrations or in acquisition2. Telescopio Nazionale Galileo HARPS N Operation Guide Draft Manual version 2 2 4 TNG MAN HARPN 0003 Date 22 05 2013 Prepared R Cosentino Change Record Section Page affected Reason Remarks 14 12 2012 First version 14 01 2013 Autoguider added 04 02 2013 l 12 02 2013 New sequencer and Labview SW V2 1 V2 2 3 22 05 2013 All document Paragraph 3 5 added V2 2 4 19 11 2013 All document E TNG MAN HAN 0003 3 Contents I CINFOdUCHOon Liliana ee 4 ll S o o E A E E E E O E nin 4 ki Aona OA O E E EEEE EE N E 4 LS O78 GV Ce wae De O lc 4 2 Borelli tosco 5 2 1 The Observation blocks preparation lari 5 2 2 The Sequencer GUI initialization and Operation 6 221 E E NO i A A AE A E A A A 7 2 2 2 Sequence Control DUtCCONS cc ecsseeeeseeseeeeesccsssesesessseseeesececeecseeeeseseseseeesesasasaseeseeeesesesesesseaees 8 225 InsrunenteontoLO lion ui 8 Za ON 8 2 0 BOH bRHd iaia 9 2 2 6 The standard calibration daily calibration ss sssssssrssrssnsrrsresnssnnsnnnnnnnsnssnnnnnnnnnnsnnnnnnnennns 10 VUbSMIUOIS Lccaia sii 11 A Ds 11 Si VS FOCUS OC UTE sch lara 11 33 Thepomntine Model preeedite elia 12 Sc Thescicnce UB CeCi aea aa a ne aa eee er ener ore 12 3 5 The Observing Control Software OBS s sssssssssrssresnssnssnnnnnnnsnssnnsnnnnonnnnsnnnnrnnnnnnnnnnnnnonnnnnnnnnnnnnns 13 3 5 1 Common situation The pointing sends the telescope to the limit switch 13 NS FO ein 15 3
3. 6 1 The HARPS N AutoGuider WiNndoWS s sessssssssssresnssnssnsnnnnnsnnsnnnnnnnonnnnnnnnnnonnnnnsnnnnnnnonnnnnnnnnnennna 16 3 6 2 The Integrated Image WiINKOW cssseseseseeeeseeeseneseseneeeseneneneneneneneneseneneieieeieeeeeaeaeeaeaeaeaees 18 Appendix A Useful Harps N webpages ccccccseccseneeseseeeeeeseseeseseseseeesasseseseeesasaeseseeasaneseseeaeannseeeas 19 Appendix B Actions of multi task commandsS sesenenenenerunerurururunununununununununununnnunnnunnnnnnnnnnnnnnnnnnnnnnnnnne 19 APPENA 20 TNG MAN HAN 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 OG 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 13 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
4. L 1 S MAIN PARAMETERS DET DPR INS OCS TPL TEL av OB TECHNICAL 0 0 0 0 E 219 HARON instr leu int INS MIRR POS 214 HARPN instr ag int 02 214 HARPN tec_set lamp 200 Oli a g 224 OB TECHNICAL oon sam rev diva O noe INS OPTIL POS 224 HARPN_instr_ag_init 01 9 By OB_ TECHNICAL oo eee eee 0 0 0 0 INS OPTI2 POS 234 HAREN tec startnight 01 i o 249 OB_SCIENCE HD127334 RON GIF Gree Gove Los vee 1 INS ROT1 DST 259 OB SCIENCE HD127334 13h29 d1147 4 Bice Diss Gove sie 5 gt 269 OB SCIENCE HD127334 1429 41 47 4 Groes Orao Deve vee 10 e 27 OB SCIENCE HD127334 14h29 41 47 4 6 0 1 1 110 PORRO add gt 2384 OB SCIENCE HD127334 ta ey ee e eee 10 gt 299 OB SCIENCE HD127334 13h29 41 47 4 6 0 Lose sas 10 INS LAMP1 ST 0 Tun gt DY OB_SCIENCE HD185144 19h32 69 39 4 4 0 6 10 ge 08_CALIBRATION 2 NONE _ gt 0 8 uo INS LAMP2 ST ol tharl PIARPN_ech_cal waveAB 2 40 0 i x 31 HARPN ech cal waveAB 02 40 0 l o 324 OB CALIBRATION NONE 0 8 2 INS LAMP3 ST 1 Thar2 g 337 OB_SCIENCE K00141 19h12 50 39 05 81 0 3 3 33 7 HARPN_ech_acq_objA B ei 19h12m09 0 39 05 8 13 02 220 i 56071 J a een te SOU AV 06h 00r oah porn 10h 00m ban con Horizon lt amp Pole Meridian Zenith v Start Night lt amp End Night Moon Position amp
5. in the DS9 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 auto guider camera and shows the image in the Acquisition Image window 4 When the image appears if the star is in the fiber position red circle click in the Go 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 3 5 The Observing Control Software OBS The OCS is the interface to the Telescope Control System TCS The interface enables the instrument to send commands to the telescope via the TNG library Currently HARPS N is able to send three commands Pointing AG offsets and M2 offsets to calculate and correct the focus via an automatic procedure The connections between both systems are completely asynchronous but when the command finishes successfully the TCS returns an Ok status When an error condition has arisen the TCS also returns a message back to the sequencer flagging that condition In the Observing manager webpage is possible to monitoring the actions and the results The operator can also interrupt the action when the condition needs it 3 5 1 Common situation The pointing sends the telescope to the lim
6. star from the catalogue and delete the HARPN_ech_obs_all template ID Name Target Alpha Delta o 9 HAM OB SCIENCE 9596 03h52m54 000 00 00 19 000 94 HARPN ech_acq_objAB sa 03h52m54 000 00 00 19 000 2 Add the HARPN_focus template D I o o Name __ Target Alpha Delta _ 9 Iv HAM OB SCIENCE 9596 03h52m54 000 00 00 19 000 94 HARPN_ech_acq_objAB 03h52m54 000 00 00 19 000 9 HARPN focus TNG MAN HAN 0003 12 3 From the sequencer execute this OB by clicking the Next OB button The sequencer sends the commands to move the telescope acquire an image from the autoguider camera and shows the image in the DS9 4 Click on the star and then click on the Go button in the Acquisition Image window The sequencer sends an offset to the telescope puts the star in the fiber position Starts the autoguide 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 H
7. starting of autoguider start autoguide Feedback Mask Hole Wait For User Guiding Now Use Feedback Gain ia Camera Exposure Time ims Figure 10 Feedback panel The Wait for user button remains active few seconds before the automatic starting of autoguide If the user sets this button on Yes the autoguide get stuck until the Guiding Now button is selected 3 6 1 2 Mask tab To avoid the contamination of others star close to the guide star during the guide a mask around the guide star can be selected The observer can select the mask s radius around the guide star all the object out the mask will be ignored by the guiding algorithm Use Mask Mask Diameter arcsec Figure 11 Mask window TNG MAN HAN 0003 17 3 6 1 3 Hole tab With this panel is possible to select the hole find method the centering algorithm and the hole s dimension optional e Manual Hole Find gt selects the manual or automatic method e The auto hole method gt select the algorithm for guiding end for the hole center calculation e Hole shift Limit gt changes the maximum variation permitted in pixels in hole position calculation e Update Period gt number of frames used in hole position calculation Feedback l Mask Hole Manual Hole Find Auto Hole Method 020 Curve Fit Figure 12 Hole tab window In the The HARPS N AutoGuider windows Figure 8 the white cross represent the ce
8. the popup window The observer can ignore this warning but can compromise the quality of observation In the Instrument control section 1 Clickon the Turn ON button of THO1 lamp 2 Click on the Turn ON button of THO2 lamp 3 On the LCU Device Monitor verify the lamps status Figure 4 TNG MAN HAN 0003 10 LCU_DEYM i Operate Tools Window Help Telemetry Status CCD Shutter State gt SWSIM THRES PARALL ELENC RA DEC ier Time ms oi 1 197 10 994 1 217 0 358 suli Figure 4 LCU Device Monitor A bell sound confirms the correct execution of the command 2 2 6 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 OB button 3 Verify in the DRS if the calibration goes without errors THAR1 lamp seems to be ON since less than 10 minutes Please wait 371 sec more Figure 5 Thorium1 lamp warm warning If THAR1 lamp is not used after please turn it OFF Automatic turn OFF in 270 sec Turn THAR1 OFF Let THARI ON Figure 6 Thorium lamp1 turn off warning TNG MAN HAN 0003 11 During the command execution the status is visualized into the observation Execution logs window and at the end of execution a bell sound confirms the correct execution of the command if the sound is a horn noise
9. ARPN_ech_obs_all template ID Name Target Alpha Delta oe fi fl e a 17 HAM_OB_SCIENCE HR4554 00h00m00 000 53 41 41 100 ra 19 HARPN ech acq objA 00h00m00 000 53 41 41 100 3 From the sequencer execute this OB by clicking the Next OB button and tell to the TO when the AG image starts this is the critical point of this procedure Sequencer Thu Dec 27 23 12 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 In the execution of a scientific OB the object has to be pointed and centred in the fiber with the intervention of the observer 1 In the NSTS select a star from the catalog on Name Target Apha O bic 1 HAM_OB SCIENCE HR4554 00h00m00 000 amp 41 41 100 z 1 14 HARPN ech acq objA us 00h00m00 000 53 41 41 100 1 HARPN ech obs all OSE TNG MAN HAN 0003 13 2 From the sequencer execute this OB by clicking the Next OB button The sequencer sends the commands to move the telescope acquire an image from the autoguider camera and shows the image
10. Moon Velocity Alrmass amp L d Figure 1 Short Term Scheduler 2 2 The Sequencer GUI initialization and operation After the startup of HARPS N the instrument is ready to 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 observation Execution logs window where the commands execution and the errors are shown e The acquisition control buttons expose repoint etc allows to do actions related with the autoguider s image visualized by the DS9 application The DS9 application shows the autoguider s image and interacts with the sequencer 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 goes wrong and an error should be shown in the observing status window TNG MAN HAN 0003 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 HARPS N NSequencer And Observations Control System
11. art Tel and the Start Ins Buttons 2 2 4 Other changes The sequencer now has a feedback with the NSTS If the NSTS is not in execution the sequencer visualizes a warning Problem while trying to send Block feedback to STS Note When the sequencer is restarted after an error the status buttons are not refreshed to the correct status except the lamps buttons which are refreshed after a while The undefined yellow status of the other buttons is not real and can be ignored if the user is sure that the instrument is initialized and ready to work see Figure 2 TNG MAN HAN 0003 9 mea SsAOlmage ds9 File Edit View Frame zoom Scale Color Region WCS Analysis Help File 20130402T001826 fits agacg Object as Value 1069 FKS a _135 32767_ d 15 25624 _ Inage M _ 237 791 Y ___ 497 185 Frame 1 Zoom 0 505 Angle 0 000 i file edit view Frame zoom I scale color region wos help linear log power square root squared histogram min max zscale MmMmMmM Mh hj j jM xMK x V VSMAY PP j y Figure 3 DS9 terminal with a binary star in the field The compass is represented by the yellow axis with the orientation shown in Figure 3 2 2 5 Beforethe calibration Few minute before the start of calibration about 10 minutes the observer has to turn on the thorium lamps If the elapsed time is less then 10 minutes a warning windows appears in this case the observer has to wait the time indicated in
12. cuted successfully E E Figure 7 TNG Observing Manager webpage TNG MAN HAN 0003 15 3 6 The Autoguide The autoguider starts when the observer clicks on the accept button of the sequencer GUI and two windows opens Figure 8 and Figure 9 1 The HARPS N AutoGuider windows 2 The Integrated Image window AG_GuidingSienple vi Ble Edt Operste Took Widow Help gt e HARPS N N__AutoGuider AG GidUpdate lack vi IG fix AG GuidingSimpte vi Pie Edt Operate Took Window tep 7 Di Ay en VAN N a E DE om z Ret rrn E Imag mage Averaginc ging A pur 4700 4710 4720 47 4740 4750 4760 4770 bra sample kano i 0 i 4 Y 4700 4710 4720 4730 4740 4750 4760 4770 4794 sample l poi SEE J Figure 9 Autoguider and Front End Monitor manual mode TNG MAN HAN 0003 16 3 6 1 The HARPS N AutoGuider windows This window shows the autoguider images some information about the guide settings and status and allows changing the guide mode 3 6 1 1 Feedback offload tab The feedback tab opens a menu where the user can change the parameter of the tip tilt correction and can postpone the start of scientific exposure e Use Feedback gt enable disable the tip tilt correction the offload remain active e The gain and delay value change the behavior of tip tilt e Wait for user gt freeze the starting of autoguider and scientific exposure e Guiding now gt unfreeze the
13. e North hemisphere Neutral Density New Short Time Scheduler Observing Block Radial Velocity Support Astronomer Signal to Noise Ratio To Be Confirmed To Be defined To be fixex Thorium Argon Telescopio Nazionale Galileo Telescope Operator Visiting Astronomer
14. ges http ntcs glassfish1 tng iac es 7080 j j j J http ntcs glassfish2 tng iac es 7080 webcontrolpanel ui instrumentstatuspanel jsf Appendix B Actions of multi task commands Telescope start night e Open the HARPSN derotator cover Power on the Dolores electronics Initialize the Dolores movements Move the entrance slider M4 to the HARPS position Power on the M3 control Move M3 to Nasmyth B the TO had to set the telescope in Nasmyth B mode Power off the M3 control Telescope end night e Close the HARPSN derotator cover Instrument start night HARPN_tec_startharps e FE_adczero FE_startadc FE_gettelemetry VC_startexp VC_useshutter Instrument end night HARPN_tec_startharps e AG stopguide e FE stopgettelemetry e FE stopadc e VC stopexp LCU init e Execute USB init Execute FEU init Execute CU init Execute EXPM init Execute EXPM monitor start TNG MAN HAN 0003 20 Appendix C List of acronyms ADC AG CCD CCF CFC CU DFS DRS E2DS ETC FEU FITS FWHM HARPS N ND NSTS OB RV SA SNR TBC TBD TBF ThAr TNG TO VA Atmospheric Dispersion Compensator Auto Guider Charge Coupled Device Cross Correlation Function Continuous Flow Cryostat Calibration Unit Data Flow System Data Reduction Software Extracted 2 Dimensional Spectrum Exposure Time Calculator Front End Unit Flexible Image Transport System Full Width at Half Maximum High Accuracy Radial velocity Planet Searcher in th
15. it switch When one of these conditions will occurs e a pointing command moves the telescope to the limit switch position e the telescope operator thinks that the telescope can reach the limit switch during the observation The telescope operator has to stop the command by clicking the cross button in the option section in the tng observing manager webpage On the sequencer the astronomer has to wait doing nothing until the sequencer ends the OB with an abort At this point the telescope operator can move the telescope to an appropriate position and the astronomer can repeat the aborted OB When the tracking moves the telescope close to the limit switch and the telescope operator must to stop the telescope during the science exposure The procedure to stop the processes is the following 1 from the sequencer terminate the exposure of the current OB click on terminate exposure button 2 from the tracking system stop the telescope TNG MAN HAN 0003 14 Note if the executing OB consists of more than one exposure the astronomer has to terminate all the exposure or click on the abort block button at the end of the first terminate exposure TNG Observing Manager OCS Systems ONLINE ONLINE ONLINE ONLINE ONI ONLINE OFFLINE OCS Execution Table History OS_TEL_StartNightHARPS FINISHED HARPS BBE7702E HARPS SEQ 18 03 2013 18 40 49 18 03 2013 18 43 28 18 03 2013 Command exe
16. nter of the star and the Red Cross is the center of the fiber At the bottom of the panel a button menu allows the user to change the zoom auto hole method The algorithm for the calculation of the fiber position and for the star s center position can be choose between the centroid or 2Curve algorithm 3 6 1 4 Simulation tab This panel was used in engineer tests It is no useful in normal observations im Simulate Shutter Open Shutter Figure 13 Shutter simulation panel TNG MAN HAN 0003 18 3 6 2 The Integrated Image window This window shows the integrated images some information of the guide s execution and allows to change the reference point fiber position when the manual mode is stetted 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 represents the contour of the star the blue circle the shape of the hole 3 6 2 1 Main frame image e Average image Hole fit image Fit In Out Hole Star 3 6 2 2 Hole Position Manual set Computed Default Reset position 3 6 2 3 Image Averaging e Frames avaraged e Frame until frame updated e Restart averaging e Error message TNG MAN HAN 0003 19 Appendix A Useful Harps N webpa
17. 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 The fields of the catalog are shown in Table 1 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 mame objectcode O O O OCOS S aipha rightascension nnmnnn CE FA Py C O Equinos O equinox Equinox program identificator es TAC_xx TNG MAN HAN 0003 6 New Short Term Scheduler File Edit Options Communication Help ZIE Oey Whim Ul 00 O Maka kt tcp 2000 Pisce LaPalmalw 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 EF ca2ucosies 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 D Name Target Alpha Deka MV St TExpi Ai Nr S Template Observation _ 20 HARPN_ech_obs_a l 91 12
18. this means that something goes wrong and an error should be shown in the observation Execution logs window The standard calibration procedure is about 11 minutes long Very important When the calibration ends turn off the thorium 1 lamp 1 Click on the Turn OFF button of THO1 lamp 2 Click on the Turn OFF button of THO2 lamp if you will not observes in thorium simultaneous mode 3 On the LCU Device Monitor verify the lamps status Figure 4 Note If the TH1 lamp remains in the on state after a while a warning window appears The observer can decide if maintain the lamp in on only if he is using it or turn off it 3 Observations 3 1 The start night Before the start of observation the system needs that some processes starts and then the telescope is ready to work in HARPS N mode 1 Be sure 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 Note The Start Night button includes the preparation to observation of the telescope and of the instrument The user can do that operation separately by using the Start Tel and the Start Ins Buttons recommended Action 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
19. with exposure time less than 5 seconds Note 2 The yellow log Warning Final AG guide FITS file not found is a warning that don t affect the observation we are working to fix this bug Table 2 Acquisition Control buttons Add magnitude Increases decreases the value of the magnitude of the selected star Take a new image with the AG camera Get infos from DS9 Take coordinates and FWHM from the point clicked in the DSI image Get DSS fields in Visualize the compass in the DS9 DS9 new image autoguider acquisition field TNG MAN HAN 0003 8 2 2 2 Sequence Control buttons Next OB executes the next block available of the NSTS Single OB if checked executes one block when the user click on Next OB button Queue Mode gt if checked executes a series of NSTS blocks according with the NSTS rules when the user clicks on Next OB button Terminate exposure ends the current exposure and save the scientific frame Abort block aborts the current block 2 2 3 Instrument control buttons Start night button executes the Telescope Start night and the Instrument start night Start Tel button gt executes the Telescope Start night Start Ins button gt executes the Instrument start night Dust Cover buttons Open and Close the dust cover Note The Start Night button includes the preparation to observation of the telescope and of the instrument With the new two buttons the user can do this operation separately by using the St
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