FEROS template manual
Contents
1. 1 At this time it is NOT clear if the ADC can be used in Object Calibration mode since under the current design of the ADC unit it is not possible to have both the ADC IN and the SCSM in any position other than PARK 2p2 TRE ESO 22400 0001 11 9 At the end of the template the calibration lamps are are left on and off respectively and the RSM FCU Shutter and NDFW and the M3 SCSM and ADC are left in their positions as at the end of the exposure 5sec The total execution time for this template is thus approximately 130 LAMPWAIT NEXPOx UIT ROT sec With binning 2x2 ROT is approximately half those given in table 1 The calibration lamp to use must be selected here either the ThAr Ne Wavelength Calibration lamp default the ThArNe Wavelength calibration or the Hal Hal continuum source lamp INS OCLAMP WLC FF ThAr Ne Calibration source The equivalent exposure time must be specified SEQ CALTIME 0 43200 Equivalent exposure time The equivalent exposure time is used to calculate the density to set the Neutral Density Filter wheel to in order that in the specified object exposure time the same flux level is obtained in the calibration spectrum as would be obtained in the equivalent exposure time at the NDFW reference density currently 0 0 i e the density will be given by density log DET1 WIN1 UIT1 SEQ CALTIME A lamp warmup period can be specifed SEQ LAMPWAIT 0 43200 Lamp warmup delay Normally the lamp will b2. Template will not at this time wait for completion of presets e Setup Detector according to selected readout mode and windowing 3 Template waits for completion of all above setups 4 Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL 5 At the end of the template the FCU Shutter to DARK position lamps and RSM left in current status No change to FEROS WFI Adapter setups Which fibre s to illuminate must be specified 16 FEROS II Template Manual SEQ CALFIBER BOTHFIBS OBJFIB SKYFIB Fibre s to illuminate A lamp warmup period can be specifed SEQ LAMPWAIT 0 43200 Lamp warmup delay Normally the lamp will be turned off at the end of the exposure The lamp can be left on by setting to true the Leave Lamp on Leave Lamp on at end of ex SEQ LEAVELAMPON TIF posure The idea here is to avoid having to wait for the lamp to warmup for the following objcal exposure For Service Mode the lamp should never be left on at the end of an OB since in general OBs from a given program are NOT executed in sequence The following p2pp parameters are currently not implemented in the template signature files i e their values are ignored SEQ DFL 0 Desired Flux Level SEQ DFLTESTDIT Desired Flux Level Test Spec trum exposure time f SEQ DFLUSEDB x Use database values to esti mate flux 0 7 6 FEROS_ech_cal_df The FEROS calibration dome FLATFIELD exposure template using dome flatfield screen mounted on the interior
3. sec For the 625kHz mode the Read Out Time is limited by the 10Mbit ethernet connection between the FIERA Sparc and the FEROS instrument workstation wferos Readout Mode CF RON ROT x 1 ROT 2 x 2 60kHAz high 1 Output 0 55 3 5 152 52 60kHz low 2 Outputs 2 8 5 0 77 29 Table 2 BIAS Controller Detector Readout Modes CF is Conversion Factor i e inverse of Gain e ADU RON is Read Out Noise e7 RMS and ROT is Read Out Time sec and is shown for both 1 x 1 and 2 x 2 binning The readout times for high gain are for 1 output while those for low are for two outputs though of course both 1 and 2 outputs were possible for both gain settings 0 4 3 FEROS Calibration Unit Setup The FEROS Calibration Unit consists of two lamps wavelength calibration and flatfield the RSM the FCU Shutter and the NDFW Their positions are specified as follows INS LAMP1 ON OFF tion Lamp INS LAMP2 ON OFF Hal Hal Flatfield Lamp 7 ThAr Ne Wavelength Cali INS LAMP3 ON OFF bration Lamp INS LAMP4 ON OFF D2 Hal Flatfield Lamp INS LED1 ON OFF Red CCD Test LEDs INS LED2 ON OFF Green CCD Test LEDs INS LED3 ON OFF Blue CCD Test LEDs INS RSM DARK LAMP1 LAMP2 LAMP3 LAMP4 Rotating Selection Mirror INS FCSH DARK BOTHFIBS SKYFIB OBJFIB FCU Shutter l INS NDFW 0 0 2 5 FCU Neutral Density Filter Wheel ThArNe Wavelength Calibra 2p2 TRE ESO 22400 0001 5 All four lamps are now operable fr
4. FEROS II Template Manual TEL TARG OFFSETALPHA 600 000 600 000 RA offset arcsec TEL TARG OFFSETDELTA 600 000 600 000 Dec offset arcsec The offsets are defined as follows TEL TARG ALPHA TEL TARG OFFSETALPHA RA Pointing Re ference TEL TARG DELTA TEL TARG OFFSETDELTA Dec Pointing Reference The Adapter can be rotated a small amount if necessary if by chance a field star falls on the sky fibre Adapter Rotator Position An ADA POSANG 10 0 10 0 e ETAO LOLOL KOSTOT IAN This is a manual adjustment at the telescope and should be avoided if at all possible Differential tracking rates Differential tracking in RA and Differential tracking in Dec can be specified if relevant TEL TARG PMA 500 0 500 0 Proper motion RA TEL TARG PMD 500 0 500 0 Proper motion RA TEL TARG ADDVELALPHA 25 0 25 0 RA diff tracking TEL TARG ADDVELDELTA 25 0 25 0 Dec diff tracking The required fibre to position the target on must be specified Target fibre TEL AG FIBSELEC OBJFIB SKYFIB Fibre to Place Object on Whether or not to guide must be specified Autoguider flag ADA AG STATUS TIF Autoguiding Whether or not to actually make the preset must be specified by Preset flag TEL PRESET NEW TIF Preset telescope This option is usually used when an an OB is executed for the same target as the previous OB and hence a new preset is generally not required 2p2 TRE ESO 22400 0001 9 0 6 Science Templat
5. Service Mode programmes to worry about focus templates as this is taken care of in the course of normal operations 20 FEROS II Template Manual 1 Execution times The following are correct at the time of writing and accurate enough for Phase I proposal preparation For Phase II the OB execution times are accurately computed by p2pp and in all circumstances the calulations made by p2pp take precedence over calculations based on the information provided here e FEROS_ech_acq ExecTime 5mins 4mins as per SM instructions for special presets including acquisition onto fibre plus 1min to allow for GRAB of TCCD image e FEROS ech cal bas ExecTime NEXPO ROT ROM e FEROS_ech_cal_dark ExecTime NEXPO UIT ROT ROM FEROS_ech_cal_flat ExecTime IST NEXPO UIT ROT ROM FEROS _ech_cal_D2 ExecTime IST NEXPO UIT ROT ROM e FEROS _ech_cal_df ExecTime IST NEXPO UIT ROT ROM FEROS _ech_cal_wave ExecTime IST NEXPO UIT ROT ROM FEROS_ech_cal_ThAr_Ne ExecTime IST NEXPO UIT ROT ROM FEROS _ech_obs_objcal ExecTime IST NEXPO UIT ROT ROM FEROS _ech_obs_objsky ExecTime IST NEXPO UIT ROT ROM where 1 ROT ReadOut Time for each exposure depends on ROM ReadOutMode which is one of 60kHz 1 high 225kHz 1 low 625kHz 1 med ROT 60kHz 1 high 145sec ROT 225kHz 1 low 42sec ROT 625kHz 1 med 22sec 2 IST I
6. all above setups Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL At the end of the template the FCU Shutter to DARK position lamps and RSM left in current status No change to FEROS WFI Adapter setups Which fibre s to illuminate must be specified SEQ CALFIBER BOTHFIBS OBJFIB SKYFIB Fibre s to illuminate 14 FEROS II Template Manual Normally the lamp will be turned off at the end of the exposure The lamp can be left on by setting to true the Leave Lamp on Leave Lamp on at end of ex SEQ LEAVELAMPON T F posure The idea here is to avoid having to wait for the lamp to warmup for the following objcal exposure For Service Mode the lamp should never be left on at the end of an OB since in general OBs from a given program are NOT executed in sequence The following p2pp parameters are currently not implemented in the template signature files i e their values are ignored SEQ DFL 0 Desired Flux Level SEQ DFLTESTDIT E Desired Flux Level Test Spec trum exposure time Use database values to esti SEQ DFLUSEDB F mate fue 0 7 4 FEROS_ech_cal_ ThAr_Ne The FEROS calibration WAVELENGTH CALIBRATION exposure template using the alternative wavelength calibration lamp the ThAr Ne i e LAMP3 The template will perform the following actions sequentially 1 If non zero Lamp Wait is specified the ThAr Ne lamp is turned on and then the template sleeps for the specified duration to allow the lamp to
7. atmospheric dispersion with an update frequency of approximately once every 10sec No further parameters can be specified for this template 0 6 2 FEROS_ech_obs_objcal The FEROS science Object Calibration mode exposure template The template will perform the following actions sequentially 1 Set LEDs OFF 1sec 2 Setup FEROS WFI Adapter ADC to OUT position wait for ADC preset to complete SCSM to SKYFIB or OBJFIB position accoridng to whether OBJFIB or SKYFIB fibre was specified for the fibre to position the target on in Acquisition 1min 3 Setup FEROS Calibration Unit Selected calibration lamp ON if not already on other lamp s OFF the RSM is moved to the appropriate position according to the selected calibration lamp FCU Shutter to SKYFIB or OBJFIB position accoridng to whether OBJFIB or SKYFIB fibre was specified for the fibre to position the target on Neutral Density Filter Wheel to appropriate position according to specified calibration lamp equivalent time 1min 4 Setup Detector according to selected readout mode and windowing 5 The TCS database point w2p2tcs Appl_data TCS LCU m2 feFocOffset is updated with the ADC OUT focus offset read from the INS database point lt alias gt feoFocus focOffsetAdcOut 6 Template waits for completion of all above setups 7 Templates waits for specified Lamp Warmup time LAMPWAIT sec 8 Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL NEXPOx UIT ROT sec
8. begin 2p2 TRE ESO 22400 0001 7 0 5 Acquistion Template 0 5 1 FEROS_ech_acq The FEROS fibre acquisition template The template will perform the following actions sequentially 1 If Preset flag is TRUE the SCSM is moved to PARK the ADC is moved to OUT the FCU Shutter is moved to DARK and the telescope presets to the specified RA and Dec The TCS database point G w2p2tcs Appl_data TCS LCU m2 feFocOffset is updated with the ADC OUT focus offset read from the INS database point lt alias gt feoFocus focOffsetAdcOut Template waits for the completion of the preset 3min 2 Ifa blind offset acquisition is required the telescope will offset to the specifed Alpha offset and Delta offset if non zero Template waits for the completion of the offset 1min 3 Template then pauses to allow TIO to acquire target or Pointing reference star as appropriate onto the fibre specified by Target Fibre and of Autoguider flagis TRUE start guiding Fither Guiding on Fibre on the Feros FibreHead Viewing TCCD or the WFI Tracker Chip Which guiding system to use is generally decided upon by the TIO 2min 4 Apply the reverse Alpha offset and Delta offset if non zero Template waits for the completion of the offset Restart guiding if necessary 1min 5 An image from the FFHV TCCD is acquired and copied to the Visiting Astronomer s DRL This image is NOT archived in the ESO Data Archive It is intended to provide proof of correct acquisitio
9. of the telescope dome The template will perform the following actions sequentially 1 Prompt the TIO to preset the telescope and dome to the predefined Dome FF position and to turn on the dome flatfield lamps 2 Set LEDs OFF and setup Adapter Calibration Unit and Detector e Set LEDs OFF e Setup FEROS WFI Adapter SCSM to PARK position wait for SCSM preset to complete ADC to IN OUT position according to the specified mode of operation If ADC is IN ADC prisms will begin tracking 1min e Setup FEROS Calibration Unit FCU Shutter to DARK position Status of lamps and position of RSM will NOT be changed to minimise overheads for attached calibrations by minimising function movements and lamp warmup times 1min e Setup FEROS Calibration Unit all lamp OFF the RSM is moved to PARK FCU Shutter to DARK position Neutral Density Filter Wheel to reference density configurable by SciOps Template will not at this time wait for completion of presets e Setup Detector according to selected readout mode and windowing 3 Template waits for completion of all above setups 4 Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL 2p2 TRE ESO 22400 0001 17 5 At the end of the template the FCU Shutter to DARK position lamps and RSM left in current status No change to FEROS WFI Adapter setups Note The ADC was installed and commissioned at the end of Period 74 Whether to use the Atmospheric Dispersion Corrector or not m
10. posure The idea here is to avoid having to wait for the lamp to warmup for the following objcal exposure For Service Mode the lamp should never be left on at the end of an OB since in general OBs from a given program are NOT executed in sequence The following p2pp parameters are currently not implemented in the template signature files i e their values are ignored SEQ DFL 0 Desired Flux Level SEQ DFLTESTDIT A Desired Flux Level Test Spec trum exposure time E SEQ DFLUSEDB E Use database values to esti mate flux 0 7 5 FEROS ech col flat The FEROS calibration FLATFIELD exposure template using the default flatfielding lamp the Hal Hal lamp i e LAMP2 The template will perform the following actions sequentially 1 If non zero Lamp Wait is specified the Hal Hal lamp is turned on and then the template sleeps for the specified duration to allow the lamp to warmup 2 Set LEDs OFF and setup Adapter Calibration Unit and Detector e Set LEDs OFF e Setup FEROS WFI Adapter ADC to OUT position wait for ADC preset to complete SCSM to appropriate position according to which fibre s are selected BOTHFIBS OBJFIB SKYFIB Template does not wait for completion of setup e Setup FEROS Calibration Unit Hal Hal Flatfield calibration lamp ON if not already on other lamp s OFF the RSM is moved to the appropriate position FCU Shutter to BOTHFIBS position Neutral Density Filter Wheel to reference density configurable by SciOps
11. warmup 2 Set LEDs OFF and setup Adapter Calibration Unit and Detector e Set LEDs OFF e Setup FEROS WFI Adapter ADC to OUT position wait for ADC preset to complete SCSM to appropriate position according to which fibre s are selected BOTHFIBS OBJFIB SKYFIB Template will not at this time wait for completion of preset e Setup FEROS Calibration Unit ThAr Ne Wavelength calibration lamp ON if not already on other lamp s OFF the RSM is moved to the appropriate position FCU Shutter to appropriate position according to which fibre s are selected BOTHFIBS OBJFIB SKYFIB Neutral Density Filter Wheel to reference density configurable by SciOps Template will not at this time wait for completion of presets e Setup Detector according to selected readout mode and windowing 3 Template waits for completion of all above setups 4 Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL 5 At the end of the template the FCU Shutter to DARK position lamps and RSM left in current status No change to FEROS WFI Adapter setups Which fibre s to illuminate must be specified SEQ CALFIBER BOTHFIBS OBJFIB SKYFIB Fibre s to illuminate 2p2 TRE ESO 22400 0001 15 A lamp warmup period can be specifed SEQ LAMPWAIT 0 43200 Lamp warmup delay Normally the lamp will be turned off at the end of the exposure The lamp can be left on by setting to true the Leave Lamp on Leave Lamp on at end of ex SEQ LEAVELAMPON TIF
12. 1 3 Abbreviations and Acronyms 02 00 2p eee ee eee 2 LZ Release Notes octa x r ei od Re RR eRe Ra REE ee aD 2 0 2 Instrument Modes s o lt a rieta 8 CRs Dede ee a Ee ee e 3 03 Template Modes oe ccoo ee Pee ee GR A 3 0 4 Templates General Remarks 2 2 e 3 GAL Notation recs sa marp poai Sb eek oe he A ye bee be eee 3 0 4 2 Detector Setups s sa s scos aama Bee eA ee a ee 3 0 43 FEROS Calibration Unit Setup e e 4 0 44 FEROS WFI Adapter Setup 5 O45 Moving te ADC and or SEN by eek ee Rae Oe a Re ew 5 05 Acquistion Template soos 00 enei EEN e a E e Ee Bea a E 7 OS EE el ee ocio A aa a al Ye 7 OG Science Templates o 45 bs a e a pee Er e a Sg a 9 06 1 FEROS ech 0080078hY so sucia a a a A 9 O62 FEROS ech oabe oben so sosa n ee css naaa A ee ed 10 OC Galibration Templates aw E EEN AE A PA ee O 12 QTI FEROS PER ee A o ar e er EE A OM ee A 12 Ora FEROS EE e es se o E EE AA ee Ee 13 03 FEROS chocalwave s s Ce ee he eee AR a E 13 LK FEROS ech col er e s peoa np rana Kipi a RE Ra a 14 OFS FEROS Chl HO A ee kOe eee he owe oS Ee e we EH OER 15 O70 FEROS cen egg iaa ei dee A kG ER Me Gee KS 16 OF FEROS img cal focus s ek a ee bee ee RR a eee ee 17 ch Execution times e sale 242 b4 4 4 tees A a a A 20 2 FEROS Template Signature Files 0 2 2 0 02002 ee ee eee 21 vi This page was intentionally left blank FEROS II Template Manual 2p2 TRE ESO 22400 0001 1 0 1 Introducti
13. EUROPEAN SOUTHERN OBSERVATORY Organisation Europ enne pour des Recherches Astronomiques dans H misph re Austral Europ ische Organisation fiir astronomische Forschung in der s dlichen Hemisphare LA SILLA OBSERVATORY FEROS II Template Manual Doc No 2p2 TRE ESO 22400 0001 Issue 77 0 November 25 2005 E aj Prepared J ee DEE SE 1 2005 EE Name Date Signature Approved di e e Name Date Signature Released O ae A EES Name Date Signature ii This page was intentionally left blank FEROS II Template Manual 2p2 TRE ESO 22400 0001 iii Change Record Issue Rev Date Sect Parag affected Reason Initiation Documents Remarks 0 1 20 07 2003 All Creation First Internal release for comment 0 2 18 08 2003 All CMM Archive with doc number 0 3 18 08 2003 All Further work 0 4 15 10 2003 All Bringing into line with reality after Comm VI 0 5 16 11 2003 All Bringing into line with reality after Comm VII 0 6 01 12 2003 All First Draft release suitable for public 0 7 10 07 2004 All Release for Period 74 0 8 28 03 2005 All Release for Period 75 77 0 25 11 2005 All Release for Period 77 lv This page was intentionally left blank FEROS II Template Manual 2p2 TRE ESO 22400 0001 v Contents OT Introductions o ia soi oe s4 28S ieo ra a A Ae 1 0 1 1 Applicable Documents 1 0 1 2 Referente Documents ss sagoi onami p RR alpe De aa a AA 1 0
14. NEXPO 1 999 Number of exposures To optimize the S N in different type of observations while keeping the number of modes to be calibrated reasonable three standard readout modes have been defined A readout mode defines the readout speed the gain and the binning factors see table 1 Comparison properties of the previous BIAS system are given in table 2 The format of the readout mode label is lt speed gt lt No o ports gt lt gain gt where number of ports is the number of readout ports The CCD system infact has 2 readout ports but two port readout is NOT a support readout mode Note the 625kHz 1 med readout mode should be considered EXPERIMENTAL and should not be used for science data until it has been properly commissioned which will not happen unless there is a well defined and strong scientific case for doing so It is definitely NOT offered in Service Mode Visitor s wishing to use this readout mode must contact the FEROS instrument Scientist well in advance of preparing their Phase 1 proposal Readout Mode CF RON ROT 60kHz 1 high 1 0 3 0 148 Service Visitor For faint RON limited sources 225kHz 1 low 3 2 5 1 41 Service Visitor For high S N observations 625kHz 1 med 2 7 7 2 21 Service Visitor For fast monitoring observations Table 1 FIERA controller Detector Readout Modes CF is Conversion Factor i e inverse of Gain Je ADU RON is Read Out Noise e7 RMS and ROT is Read Out Time
15. R TYPE OBJECT SKY e SEQ TYPE STANDARD DPR CATG CALIB DPR TYPE STD SKY e SEQ TYPE FLUX STD DPR CATG CALIB DPR TYPE FLUX SKY e SEQ TYPE RV_STD DPR CATG CALIB DPR TYPE VELOC SKY SEQ TYPE TELLURIC_STD DPR CATG CALIB DPR TYPE TELLURIC SKY SEQ TYPE SKY DPR CATG CALIB DPR TYPE SKY SKY If TEL AG FIBSELEC SKYFIB then the order of the two parts of the DPR TYPE keyword are reversed i e OBJECT SKY would become SKY OBJECT Note the value of DPR CATG has important consequences for the proprietory period of the data Any data with DPR CATG CALIB are classified as calibrations obviously and as such have no proprietory period They are available to anyone from the ESO archive as soon as they arrive in the archive The Loop time parameter is currently ignored Based on experience the useful values of Offset Start Offset End and Step seem to be 200 200 and 50 respectively These limits are NOT the current default values when creating a new focus template Needless to say the IP will be updated at the next opportunity so that the above are the default values Finally as a standalone CalBlock the focus template is best executed from a 2nd instance of Bob after preseting to the desired SCIENCE field in the 1st Bob instance but pausing before starting the SCIENCE exposure s It is generally useful to redetermine the focus offset two or three times during a typical night It is not necessary for
16. ate Modes FEROS templates are split into three groups according to function 1 Aquisition Templates AT a Acquisition on fibre FEROS_ech_acq 2 Observation Templates OT a Science Exposure in Object Sky mode FEROS_ech_obs_objsky b Science Exposure in Object Calibration mode FEROS ech_obs_objcal 3 Calibration Templates CT Calibration of detector BIAS FEROS_ech_cal_bias Calibration of detector DARK current FEROS_ech_cal_dark Calibration exposures for wavelength FEROS_ech_cal_wave d Calibration exposures for wavelength FEROS_ech_cal_ThAr_Ne Calibration exposures of continuum lamp FEROS_ech_cal_flat Calibration exposures of continuum lamp via Dome Flatfield screen FEROS_ech_cal_df Focus telescope exposures FEROS_img_cal_focus 0 4 Templates General Remarks 0 4 1 Notation In this document all template keywords are given in the following notation Keyword Name Parameter Range Label in P2PP Within one template the keywords are ordered according to the sequence DET SEQ TEL INS A detailed listing of all free and fixed keywords is given in Appendix 2 0 4 2 Detector Setups In all OTs and CTs the detector readout mode integration time binning and number of exposures must be specified 60kHz 1 high 225kHz 1 low DET1 READ SPEED Readout Mode 625kHz 1 med DET1 WIN1 UIT1 0 36000 Exposure Time CCD Binning Sets both x DET1 WIN1 BIN keid AND Y 4 FEROS II Template Manual SEQ
17. e equal the nominal ADC OUT focus offset of 1440 will be used The relevant value is then the current estimated focus offset CEFO This image will be displayed in a MIDAS PCO session display window and the TIO will be prompted to select a star on which to perform the image analysis More than one star can be selected but it is not necessary and is not always helpful The image quality in this image should be close the best thereby making it easier to choose faint stars that even at the best focus will not be saturated 5 The template will then step the M2 telescope focus from a CEFO Offset Start to CEFO Offset End in steps of Step At each step it will GRAB Number of TCCD Exposures TCCD images display them measure the image quality and plot the results in the MIDAS PCO session graphic window 6 After completing the focus scan the template will fit parabolas to the measured image qual ity major and minor axes and then calculate the focus offset corresponding to the minima which will be reported in a template popup The TIO has the possibility to accept the reported value re measure using an alternative star in the images to enter a value man ually or to cancel In all cases except the abort the relevant values will be written to the lt alias gt feoFocus focOffsetAdcOut and lt alias gt feoFocus focOffsetAdcIn database points where the value for the ADC OUT focus offset if the focus was done with ADC IN or vice versa is ca
18. e turned off at the end of the exposure The lamp can be left on by setting to true the Leave Lamp on Leave Lamp on at end of ex posure SEQ LEAVELAMPON TIF The idea here is to avoid having to wait for the lamp to warmup for the following objcal exposure For Service Mode the lamp should never be left on at the end of an OB since in general OBs from a given program are NOT executed in sequence The Standard Star Flag must be set according to SCIENCE default STANDARD FLUX_STD RV_STD TELLURIC_STD SKY SEQ TYPE Standard Star Flag The FITS header keywords DPR CATG and DPR TYPE are then set as follows e SEQ TYPE SCIENCE DPR CATG SCIENCE DPR TYPE OBJECT WAVE e SEQ TYPE STANDARD DPR CATG CALIB DPR TYPE STD WAVE e SEQ TYPE FLUX_STD DPR CATG CALIB DPR TYPE FLUX WAVE 12 FEROS II Template Manual e SEQ TYPE RV_STD DPR CATG CALIB DPR TYPE VELOC WAVE e SEQ TYPE TELLURIC_STD DPR CATG CALIB DPR TYPE TELLURIC WAVE e SEQ TYPE SKY DPR CATG CALIB DPR TYPE SKY WAVE If TEL AG FIBSELEC SKYFIB then the order of the two parts of the DPR TYPE keyword are reversed i e OBJECT WAVE would become WAVE OBJECT If INS OCLAMP FF then WAVE is replaced by FLAT Note the value of DPR CATG has important consequences for the proprietory period of the data Any data with DPR CATG CALIB are classified as calibrations obviously and as such have no proprietory period They are available to anyo
19. ead Viewer Flexible Image Transport System Focal Ratio Degradation Graphical User Interface Instrument Control System Light Emitting Diode La Silla Observatory Max Planck Gesellschaft Point Spread Function Software and Communications team at LSO Signal to Noise To Be Done Discussed Decided Telescope Control Software Telescope amp Instrument Operator Very Large Telescope Zenith Distance 0 1 4 Release Notes FEROS II Template Manual This is version 77 0 the first official non draft release It is intended for use for Period 77 but is mostly valid also for the current period P76 Version 0 8 was a draft release intended as the reference for Period 75 observers and Period 76 proposal preparation Version 0 7 was VERY close to being a final release It was despite still being a draft version none the less intended as the reference for Period 74 observers Version 0 6 was the release made available to Period 72 Service Mode observers Version 0 5 was a further draft release primarily aimed at the Period 72 Service Mode observers Versions 0 3 0 4 were draft releases circulated for comments There was no version 0 2 release Version 0 1 was the first release circulated for comments Please mail comments to jpritcha eso org 2p2 TRE ESO 22400 0001 3 0 2 Instrument Modes FEROS has two observing modes Object Sky and Object Calibration These are implemented in separate templates 0 3 Templ
20. es The science templates allow the observer to specify the detector parameters Readout Mode Exposure Time Binning and Number of expsoures see section 0 4 2 0 6 1 FEROS_ech_obs_objsky The FEROS science Object Sky mode exposure template The template will perform the following actions sequentially 1 2 Set LEDs OFF 1sec Setup FEROS WFI Adapter SCSM to PARK position wait for SCSM preset to complete ADC to IN OUT position according to the specified mode of operation If ADC is IN ADC prisms will begin tracking 1min Setup FEROS Calibration Unit FCU Shutter to DARK position Status of lamps and position of RSM will NOT be changed to minimise overheads for attached calibrations by minimising function movements and lamp warmup times 1min Setup Detector according to selected readout mode and windowing The TCS database point w2p2tcs Appl_data TCS LCU m2 feFocOffset is updated with the ADC IN or ADC OUT focus offset read from the INS database point lt alias gt feoFocus focOffsetAdcIn or lt alias gt feoFocus focOffsetAdcOut as appropraite Template waits for completion of all above setups Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL NEXPO x UIT ROT sec At the end of the template the status of the FCU lamps and the position of the RSM are unchanged FCU Shutter and NDFW and the M3 SCSM and ADC are left in their positions as at the end of the exposure 5sec The total e
21. ier of the telescope ZD the Zenith Distance and FO the focus offset to be determined by this template Focusing can can be made either with ADC IN or OUT 18 FEROS II Template Manual The template can be used either within a stand alone CalBlock or attached to a ObsBlock When attached to an ObsBlock it will perform as follows 1 Execute a normal acquisition to the spectrophotometric standard star Acquire the spec trophotometric standard star onto the OBJECT fibre and start guiding as usual 2 Once the acquisiton template is complete the focus template will offset the telescope according to the Alpha offset and Delta offset specified in the focus template as distinct from the parameters with the same name in the acquisition template The idea of these offsets is to offset the telescope to a field containing stars suitably faint so as not to saturate in TCCD expsoures of typically 3seconds integration time when the target that was preset to is a much brighter star e g a spectrophotometric standard star from the calibration plan 3 The template will change the TCCD exposure time to the TCCD Expsoure Time off Fibre 4 The template will then GRAB one TCCD image at a Focus Offset of the current database value lt alias gt feoFocus focOffsetAdcOut or lt alias gt feoFocus focOffsetAdcIn according to whether the ADC is IN or OUT If the database values have not been set which is detected by the fact that the two values will b
22. lculated according to focOffsetAdcIn focOffsetAdcOut 440 Typically in this mode the template takes as little as 5mins and usually less than 10mins to complete It can also be used in a mode where a SCIENCE spectrum of the spectrophotometric standard star is taken at each focus offset value if Acquire Spectrum is True but since this mode of the OB typically takes 40mins to complete it is used only during technical nights to verify the correspondance between optimum image quality and optimum S N in the science spectra In this case the CCD readout speed Exposure time CCD X amp Y Binning and Number of Exposure parameters have their usual meanings for SCIENCE exposures see section 0 6 The additional parameter TCCD Exposure Time on Fibre allows the specification of a different TCCD exposure time to use for guiding during the SCIENCE exposures when for most bright sources a 3sec TCCD expsoure time would be way too much 5For the spectrophotometric stars used in the calibration plan 3rd to 5th magnitude stars even the shortest possible TCCD exposure time 0 001 sec still results in saturation during nights of reasonable or better quality 2p2 TRE ESO 22400 0001 19 The Standard Star Flag must be set according to SCIENCE default STANDARD FLUX_STD RV_STD TELLURIC_STD SKY SEQ TYPE Standard Star Flag The FITS header keywords DPR CATG and DPR TYPE are then set as follows e SEQ TYPE SCIENCE DPR CATG SCIENCE DP
23. mplates adhere to these rules automatically Moving the ADC Before starting an ADC preset it must first be verified that the SCSM is in the PARK position If not it must be preset to that position and it must arrive there BEFORE the ADC preset can begin 2The ThArNe lamp is a single Thorium cathode Argon 10 and Neon 90 filled Juniper lamp The Hal Hal lamp in fact consists of two halogen bulbs one 12W and the other 50W to provide flux in the blue and red parts of the spectrum filters are used to cut the red flux of the blue bulb and to optimise it for the bluest orders Light from the two bulbs are combined via a 50 transmission 50 reflection mirror The ThAr Ne consists of a Thorium cathode Argon 100 filled Juniper lamp and a 100 kQ 220 V Neon bulb Light from the two bulbs are combined via a 50 transmission 50 reflection mirror The D2 Hal lamp is a commercial unit consisting of a Deuterium source and a halogen source 3Eventually the AUTO mode may be implemented in such a way that the templates cleverly determine whether using the ADC for the current exposure would be beneficial or not and move it IN or OUT accordingly No date for implementing this AUTO mode is currently forseen 6 FEROS II Template Manual Moving the SCSM Before starting an SCSM preset it must first be verified that the ADC is in the OUT position If not it must be preset to that position and it must arrive there BEFORE the SCSM preset can
24. n of the requested target 10sec Typical times to complete each step of this template are given above giving a total maximum typical execution time of about 5min since blind offset target acquisition is not typically required Of course if blind offsets are required then aquisition time can be upto 7min Of course the time to complete the actual telescope preset depends on the distance from the current telescope position to the next position therefore 3min is an upper limit none the less for Service Mode programmes we must always assume the worst case scenario The ADC is always moved OUT for acquisitions to avoid the occultation of the TCCD field of view caused by the ADC mechanism The target RA Right Ascension and Dec Declination are specified via the keywords TEL TARG ALPHA 00 00 00 000 23 59 59 999 Target Right Ascencion TEL TARG DELTA 90 00 00 000 90 00 00 000 Target Declination Target Name Equinox Epoch Class should also be specified TEL OBS TARG NAME string Target Name Target proper motions proper motion RA and proper motion Dec and differential tracking rates Diff RA and Diff Dec can also be specified if relevant this infromation is for the header For faint B gt 20 0 V gt 20 0 extended objects or emmission line objects a nearby within 10 arcmin a pointing reference star should be used In this case non zero Telescope Offsets Alpha offset and Delta offset should be specified 8
25. ne from the ESO archive as soon as they arrive in the archive The ADC can NOT be used in Object Calibration mode The following p2pp parameters are currently not implemented in the template signature files i e their values are ignored SEQ DFL 0 Desired Flux Level SEQ DFLTESTDIT 0 trum exposure time Desired Flux Level Test Spec Use database values to esti SEQ DFLUSEDB F mate fits No further parameters can be specified for this template 0 7 Calibration Templates The calibration templates allow the observer to specify the detector parameters Readout Mode Exposure Time Binning and Number of expsoures see section 0 4 2 0 7 1 FEROS_ech_cal_bias The FEROS calibration BIAS exposure template The template will perform the following actions sequentially 1 Set LEDs OFF 2 No change to FEROS Calibration Unit setup 3 No change to FEROS WFI Adapter setup 4 Setup Detector according to selected readout mode and windowing 5 Template waits for completion of all above setups 6 Execute SEQ NEXPO 0 0second exposures in mode DARK 7 At the end of the template no change to FEROS Calibration Unit or FEROS WFI Adapter setups 2p2 TRE ESO 22400 0001 13 0 7 2 FEROS_ech_cal_dark The FEROS calibration DARK exposure template The template will perform the following actions sequentially 1 2 3 Set LEDs OFF No change to FEROS Calibration Unit setup No change to FEROS WFI Adapter setup Setup Detect
26. nstrument Setup Time maximum is 1min 3 UIT User Integration Time 4 NEXPO Number of exposures 2p2 TRE ESO 22400 0001 2 FEROS Template Signature Files TBD oo 21
27. om software and electronics however optics have yet to be installed in the Calibration Unit for LAMP4 the D2 Hal Flatfield Lamp so it is not available 0 4 4 FEROS WFI Adapter Setup The FEROS WFI Adapter consists of the M3 the SCSM and the ADC The ADC itself consists of two prisms Their positions are specified as follows INS M3 FEROS WFI Mirror 3 INS SCSM PARK BOTHFIBS SKYFIB OBJFIB Mirror do rror E INS ADCA IN OUT AUTO H Dispersion Cor rector INS ADC1 OFF AUTO 0 0 360 0 ADC Prisms A INS ADC2 OFF AUTO 0 0 360 0 ADC Prisms B As is common practice at La Silla the M3 is NOT controlled via templates but must be moved into the appropriate position according to whether FEROS or WEI observations are being made by the TIO This is to allow the acquisition of FEROS LED and BetaLight exposures for technical tests without interference with WFI The ADC can either be set to IN OUT or AUTO Currently IN and AUTO are exactly the same and result in the ADC being used with the prisms automatically following parallactic angle and compensating for atmospheric dispersion i e in mode AUTO with a positional update frequency of 10secs 0 4 5 Moving the ADC and or SCSM Due to technical constraints the ADC and SCSM can NOT both be IN simultaneously The ADC can therefore ONLY be used in the focus OBJSKY and DomeF lat templates Moreover when moving one or other function the following rules MUST be adherred to all te
28. on This document 2p2 TRE ESO 22400 0001 describes the Templates defined for the Fibre fed Ex tended Range Echelle Spectrograph FEROS FEROS is a bench mounted thermally controlled prism crossdispersed chelle spectrograph It is designed to be a high resolution high efficiency versatile spectrograph providing in a single spectrogram almost complete spectral coverage from 350 920nm Precise radial velocity work accuracies of 25m s or better is also possible especially via the Object Calibration mode The spectrograph is fed by two fibres providing simultaneous spectra of object plus either sky or one of the two calibration lamps wavelength calibration and flat field The fibres are illuminated via 2 0 arcsec apertures on the sky separated by 2 9 arcmins A small amount of rotation of the telescope adapter is possible in the rare case that a field star by chance falls on the sky fibre The resolving power is 48 000 achieved with a two slice image slicer over the spectral range of 350 920 nm spread over 39 echelle orders The detector is an EEV 2kx4k CCD In October of 2002 FEROS was transferred from the ESO 1 52m telescope to the MPG ESO 2 20m telescope In October November of 2003 it was upgraded to full VLT compliance i e OB controlled observing The reader is referred to the FEROS user s manual 3 for a full description and detailed of FEROS This manual is intended to guide observers through the creation of observati
29. on blocks OBs with which to make scientific and calibration observations The FEROS Templates are characterised by the Template Signature Files TSFs 0 1 1 Applicable Documents The following documents of the exact issue shown form a part of this document to the extent specified herein In the event of conflict between the documents referenced herein and the contents of this document the contents of this document shall be considered as a superseding requirement e 1 2p2 SRS ESO 22400 0001 Pritchard FEROS II Software User Requirements e 2 LSO URS ESO 90400 0002 Saviane Implementation of ADC for FEROS User require ments 0 1 2 Reference Documents The following documents are referenced in this document e 3 LSO MAN ESO 22200 0001 Pritchard FEROS II Users Manual The two spectral ranges 853 4 854 1 nm and 886 2 887 5 nm are lost due to non overlap of the spectral orders 0 1 3 Abbreviations and Acronyms 1 52m 2 20m ADU AG BIAS CCD DCS DICB DRS ESO eu FEROS FFHV FITS FRD GUI ICS LED LSO MPG PSF SWC S N TBD TCS TIO VLT ZD The ESO 1 52 m telescope at the LSO The MPG ESO 2 20 m telescope at the LSO Analog to Digital conversion Unit Autoguider Brorfelde Image Acquisition System Charge Coupled Device Detector Control System Data Interface Control Board Data Reduction Software European Southern Observatory encoder units Fibrefed Extended Range Optical Spectrograph FEROS Fibreh
30. or according to selected readout mode and windowing Template waits for completion of all above setups Execute SEQ NEXPO DET1 WIN1 UIT1 second exposures in mode NORMAL At the end of the template no change to FEROS Calibration Unit or FEROS WFI Adapter setups 0 7 3 FEROS_ech_cal_wave The FEROS calibration WAVELENGTH CALIBRATION exposure template using the default wave length calibration lamp the ThArNe i e LAMP1 The template will perform the following actions sequentially 1 2 If non zero Lamp Wait is specified the ThArNe is turned on and then the template sleeps for the specified duration to allow the lamp to warmup Set LEDs OFF and setup Adapter Calibration Unit and Detector e Set LEDs OFF e Setup FEROS WFI Adapter ADC to OUT position wait for ADC preset to complete SCSM to appropriate position according to which fibre s are selected BOTHFIBS OBJFIB SKYFIB Template will not at this time wait for completion of preset e Setup FEROS Calibration Unit ThArNe Wavelength calibration lamp ON if not already on other lamp s OFF the RSM is moved to the appropriate position FCU Shutter to appropriate position according to which fibre s are selected BOTHFIBS OBJFIB SKYFIB Neutral Density Filter Wheel to reference density configurable by SciOps Template will not at this time wait for completion of presets e Setup Detector according to selected readout mode and windowing Template waits for completion of
31. ust be specified INS ADC STATUS IN OUT AUTO ADC If the ADC mode is IN or AUTO it will automatically track the atmospheric dispersion with an update frequency of approximately once every 10sec Which fibre s to illuminate must be specified SEQ CALFIBER BOTHFIBS OBJFIB SKYFIB Fibre s to illuminate This keyword is currently IGNORED Both fibres are ALWAYS illuminated A lamp warmup period can be specifed SEQ LAMPWAIT 0 43200 Lamp warmup delay It is essential that the TIO remembers to turn the dome flatfield lamps on at the appropriate moment otherwise this action will be meaningless The Leave Lamp on keyword is ignored by the template as the turning On and OFF of the dome flatfield lamps is controlled manually by the TIO Leave Lamp on at end of ex SEQ LEAVELAMPON TIF posure The following p2pp parameters are currently not implemented in the template signature files i e their values are ignored SEQ DFL 0 Desired Flux Level SEQ DFLTESTDIT F Desired Flux Level Test Spec trum exposure time f Use database values to esti SEQ DFLUSEDB F mate s 0 7 7 FEROS_img_cal_focus The FEROS calibration FOCUS exposure template This template uses images from the FEROS FibreHead Viewer TCCD to measure the so called Focus Offset relative to the theoretical focus equation of the 2 20 m telescope Fry 23740 66x Tts 2xZD FO Where Fr is the theoretical focus Tig the temperature of the Long Surrir
32. xecution time for this template is thus approximately 130 NEXPOx UIT ROT sec With binning 2x2 ROT is approximately half those given in table 1 The Standard Star Flag must be set according to SEQ TYPE SCIENCE default STANDARD FLUX_STD RV_STD TELLURIC_STD SKY Standard Star Flag The FITS header keywords DPR CATG and DPR TYPE are then set as follows e SEQ TYPE SCIENCE DPR CATG SCIENCE DPR TYPE OBJECT SKY e SEQ TYPE STANDARD DPR CATG CALIB DPR TYPE STD SKY e SEQ TYPE FLUX_STD DPR CATG CALIB DPR TYPE FLUX SKY 10 FEROS II Template Manual e SEQ TYPE RV_STD DPR CATG CALIB DPR TYPE VELOC SKY e SEQ TYPE TELLURIC_STD DPR CATG CALIB DPR TYPE TELLURIC SKY e SEQ TYPE SKY DPR CATG CALIB DPR TYPE SKY SKY If TEL AG FIBSELEC SKYFIB then the order of the two parts of the DPR TYPE keyword are reversed i e OBJECT SKY would become SKY OBJECT Note the value of DPR CATG has important consequences for the proprietory period of the data Any data with DPR CATG CALIB are classified as calibrations obviously and as such have no proprietory period They are available to anyone from the ESO archive as soon as they arrive in the archive Note The ADC was installed and commissioned at the end of Period 74 Whether to use the Atmospheric Dispersion Corrector or not must be specified INS ADC STATUS IN OUT AUTO ADC If the ADC mode is IN or AUTO it will automatically track the
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