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Change Record

Issue/Rev.

Date

Section/Page affected

Reason/Remarks

V1.0

14-12-2012

First version

V1.1

14-01-2013

Autoguider added

V1.2

04-02-2013

V2.0

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

V2.2.5

15-01-2014

New sequencer and expmeter

V2.2.6

18-03-2014

Double star guiding procedure added

V2.2.7

11-09-2014

Minor changes

V2.3.0

22-07-2015

Change sequencer figure

New sequencer version

V2.4.1

13/12/2016

some warnings was added

V2.4

23/08/2017

LCU paragraph

New LCU

V2.6

23/03/2020

AG paragraph

New AG

Содержание HARPS-N

Страница 1: ...Telescopio Nazionale Galileo HARPS N Operation Guide Draft Manual version 2 6 TNG MAN HARPN 0003 Date 23 03 2020 Prepared R Cosentino ...

Страница 2: ...1 V2 2 3 22 05 2013 All document Paragraph 3 5 added V2 2 4 19 11 2013 All document V2 2 5 15 01 2014 New sequencer and expmeter V2 2 6 18 03 2014 Double star guiding procedure added V2 2 7 11 09 2014 Minor changes V2 3 0 22 07 2015 Change sequencer figure New sequencer version V2 4 1 13 12 2016 some warnings was added V2 4 23 08 2017 LCU paragraph New LCU V2 6 23 03 2020 AG paragraph New AG ...

Страница 3: ...t night 11 3 2 The focus procedure 11 3 3 The pointing model procedure 12 3 4 The science OB execution 12 3 5 The Observing Control Software OBS 13 3 5 1 The pointing tracking sends the telescope to the limit switch 13 3 6 The Exposure meter 15 3 7 The Autoguide 15 3 7 1 Starting the autoguide 15 3 7 2 Parameter for the acquisition and centroid computation 16 3 7 3 Corrections 16 3 7 4 Telescope o...

Страница 4: ...4 HARPS N Autoguide Manual The standard calibration 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...

Страница 5: ... 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 name object code alpha right ascension nn nn nn nn delta Declination nn nn nn nn mualpha proper motion alpha arcsec year mudelta proper motion del...

Страница 6: ...subsystems The observation Execution logs window where the commands execution and the errors are shown 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 ...

Страница 7: ...n Control buttons Add magnitude Increases decreases the value of the magnitude of the selected star Save Focus send to OCS the command that update the serrurier focus Cancel Focus Moves M2 to the position prior to the focus procedure execution Expose Take a new image with the AG camera Re Start DS9 Restart the DS9 window when the DS9 window crash Get infos from DS9 Take coordinates and FWHM from t...

Страница 8: ...k 2 2 3 Instrument control buttons Start Night button executes the Telescope Start night and open the dust cover Start Tel button executes the Telescope Start night Dust Cover buttons Open and Close the dust cover Start EM button starts the exposure meter and open the GUI Note The Start Night button includes the preparation to observation of the telescope and of the instrument More details about t...

Страница 9: ...o 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 the popup window The observer can ignore this warning but can compromise the quality of observation In the Instrument control section 1 Click on the Turn ON button of THO1 lamp 2 Click on the Turn ON button of THO2 lamp 3 On the LCU Device Mo...

Страница 10: ...n 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 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 ...

Страница 11: ... focus procedure At the beginning of the night may be suitable do a focus procedure doing the following actions 1 In the NSTS selects a star from the catalogue and delete the HARPN_ech_obs_all template The star can be the first object of the observation schedule to save pointing time I suggest to not selecting a faint object for the focus In case of doubt ask to the TO if the star is compatible wi...

Страница 12: ...cer 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 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...

Страница 13: ...G 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 a...

Страница 14: ...te 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 Figure 7 TNG Observing Manager webpage ...

Страница 15: ...guide see the HARPS N Autoguide Manual Error Reference source not found The reading of the Autoguide Manual Error Reference source not found is strongly recommended given that this manual takes for granted the knowledge of the basic functions of the autoguiding system 3 7 1 Starting the autoguide The guide starts when the observer clicks on the GO button of the sequencer GUI After the computation ...

Страница 16: ...d parameter The parameter that can be adjusted are see the Autoguide manual Error Reference source not found for more details Exposure time Can be increased if the signal of the current image is weak Radius mask Can be adapted to the condition of the signal or shape of the star in the current acquired image Fiber Mode Depending on the problem the OT can change the reference where the AG guide The ...

Страница 17: ...t of the mask circle Operations 1 Stop the Offload 2 Stop the corrections 3 Move the star into the mask 4 Start the corrections 5 Start the offload 3 7 6 2The centroid starts to swing Operations to be verified 1 Stop the correction and the offload 2 Change the exp Time and the mask if needed 3 Wait until the red bar stops swinging 4 Restart the corrections and the offload 3 7 6 3Binary stars to be...

Страница 18: ...ition This malfunction may be due to an incorrect calculation of the fiber position by the algorithm that compute it from the integrated image an indication can be a not circular integrated image Operations Set the Fiber mode to Default Ref Pos Appendix A Useful Harps N webpages ...

Страница 19: ...s start Appendix B Actions of multi task commands Telescope Start Night Open the Dust Cover 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 Stop the guide Stop ...

Страница 20: ...oint expose get info etc Appendix D List of acronyms ADC Atmospheric Dispersion Compensator AG Auto Guider CCD Charge Coupled Device CCF Cross Correlation Function CFC Continuous Flow Cryostat CU Calibration Unit DFS Data Flow System DRS Data Reduction Software E2DS Extracted 2 Dimensional Spectrum ETC Exposure Time Calculator FEU Front End Unit FITS Flexible Image Transport System FWHM Full Width...

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