HARPS-N USER MANUAL

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TNG-MAN-HARPN-0002 2 Change Record Issue/Re Date Section/Page affected Reason/Remarks v. V1.0 24-04-2012 First version V1.1 18-01-2013 First revision V1.2 28-01-2013 changes V2.0 14-02-2013 New sequencer V2.1 11-03-2013 V2.2 16-04-2013 Some tables and fig. changed New CCD and readout
TNG-MAN-HARPN-0002 3 1 Contents 2 Introduction .................................................................................................................................................. 6 2.1 Scope ................................................................................................................................................... 6 2.2 Additional information......................................................................................................................... 6 2.3 Contact information.......................................................................................................................... 6 2.4 Acknowledgments ............................................................................................................................. 6 3 <strong>HARPS</strong>-N Characteristics ............................................................................................................................ 7 3.1 Instrument Overview ........................................................................................................................... 7 3.1.1 Instrument coupling to the telescope ........................................................................................... 9 3.2 Operational overview .........................................................................................................................10 3.2.1 Fiber link ....................................................................................................................................10 3.2.2 Calibration unit (CU) .................................................................................................................10 3.2.3 Front End Unit (FEU) ................................................................................................................11 3.3 Detector and read out electronics ......................................................................................................13 3.3.1 General detector characteristics .................................................................................................13 3.3.2 CCD ............................................................................................................................................13 3.3.3 Cryostat ......................................................................................................................................14 3.3.4 CCD controller ...........................................................................................................................14 3.3.5 Shutter ........................................................................................................................................14 3.3.6 Exposure meter ..........................................................................................................................14 3.4 Software architecture .........................................................................................................................14 3.5 Data acquisition software ...................................................................................................................15 3.5.1 Short Time Scheduler (STS) ......................................................................................................15 3.5.2 Sequencer ...................................................................................................................................16 3.5.3 Front End Unit, Autoguider and Calibration Unit control (instrument software) .....................16 3.5.4 Telescope Control System .........................................................................................................16 3.6 Data Reduction Software ...................................................................................................................18 3.7 <strong>HARPS</strong>-N performances ....................................................................................................................20 3.7.1 Spectral format and resolution ...................................................................................................20 3.7.2 Efficiency of the spectrograph ...................................................................................................22 3.7.3 Instrumental stability and simultaneous reference ....................................................................24 3.7.4 On-sky precision ........................................................................................................................25 4 Observing modes .................................................................................................................................26 4.1 Simultaneous Thorium reference method .............................................................................26 4.1.1 Performance ...............................................................................................................................26 4.1.2 Calibrations ................................................................................................................................26 4.1.3 Observations ...............................................................................................................................28 4.1.4 Pipeline, data reduction .....................................................................................................28 4.2 Simultaneous Fabry Perot reference method .......................................................................28 4.2.1 Performance ...............................................................................................................................28
Page 1: Telescopio Nazionale Galileo HARPS-
Page 5 and 6: TNG-MAN-HARPN-0002 5 8 Data product
Page 7 and 8: TNG-MAN-HARPN-0002 7 3 HARPS-N Char
Page 9 and 10: TNG-MAN-HARPN-0002 9 and the collim
Page 11 and 12: TNG-MAN-HARPN-0002 11 Table 4 - CU
Page 13 and 14: TNG-MAN-HARPN-0002 13 3. House the
Page 15 and 16: TNG-MAN-HARPN-0002 15 Figure 9 - Th
Page 17 and 18: TNG-MAN-HARPN-0002 17 Figure 11 - S
Page 19 and 20: TNG-MAN-HARPN-0002 19 Each raw prod
Page 21 and 22: TNG-MAN-HARPN-0002 21 Figure 16 - P
Page 23 and 24: TNG-MAN-HARPN-0002 23 Figure 18 - T
Page 25 and 26: TNG-MAN-HARPN-0002 25 been solved,
Page 27 and 28: TNG-MAN-HARPN-0002 27 pipeline. The
Page 29 and 30: TNG-MAN-HARPN-0002 29 before the be
Page 31 and 32: TNG-MAN-HARPN-0002 31 4.5.3 Centeri
Page 33 and 34: TNG-MAN-HARPN-0002 33 Figure 21 - S
Page 35 and 36: TNG-MAN-HARPN-0002 35 Figure 22 - E
Page 37 and 38: TNG-MAN-HARPN-0002 37 the accuracy
Page 39 and 40: TNG-MAN-HARPN-0002 39 7 The Reducti
Page 41 and 42: TNG-MAN-HARPN-0002 41 - Wavelength
Page 43 and 44: TNG-MAN-HARPN-0002 43 Figure 24 - T
Page 45 and 46: TNG-MAN-HARPN-0002 45 INS DET2 TMME

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