Kueyen + FORS2 activities 25.01.2000 ==================================== Commissioning Leader: J. Spyromilio Telescope Operator: G. Rupprecht Day/Night Astronomers: -/G. Rupprecht FORS2 Comm2 Team: I. Appenzeller, W. Gaessler, W. Hummel, K.-H. Mantel, B. Muschielok, H. Nicklas, W. Seifert, E. Sutorius, K. Tarantik ============================================================= Night Summary ============= weatherwise bad night, still some useful data for commissioning Conditions ---------- gen: thin to thick cirrus seeing: 0.7-1.4", average 1" wind: 5-8m/s E-->N humid: 50-30% temperature: 14C loss: 2:15h incl morning skyflats Technical Problems ------------------ problem: az. hydraulics loss: 30min incl evening sky flats problem: wheel 3 stuck once loss: none Other Problems -------------- none General Comments ---------------- none ************************ Daytime Setup Activities ************************ Setups: Dewar refill: FORS2 start-up procedure ------------------------ started: LT finished: LT by: ***************************************** Daytime Calibrations and characterization ***************************************** Flexure Measurements from ExpoPanel !!!!! ask Harald Nicklas for frame names screenflats for bad pixel mask determination ----------- OB: calib-img-badpix comment: lights on in enclosure A,1x1,low B 4s FORS2_IMG_CAL025.20-27.fits A,2x2,low B 1s FORS2_IMG_CAL025.28-35.fits OB: calib-img-badpix comments: lights on in enclosure a,1x1,low B 4s FORS2_IMG_CAL025.36-43.fits commnets: only first part of this OB is executed comments: telescope moving from 40.fits on lss flats and wave calib for GRIS_150I OG590 -------------------------------------------- OB: calib-lss-150I-OG590 comments: lights on in enclosure comments: 2.5 arcsec lss A, 1x1,low cal wave FORS2_LSS_CAL025.28.fits ABCD,1x1,low cal flat FORS2_LSS_CAL025.29-33.fits ABCD,1x1,high cal flat FORS2_LSS_CAL025.34.fits A, 1x1,low cal flat FORS2_LSS_CAL025.35.fits A, 1x1,high cat flat FORS2_LSS_CAL025.36.fits comments: 1.0 arcsec slit A, 1x1,low cal wave FORS2_LSS_CAL025.37.fits ABCD,1x1,low cal flat FORS2_LSS_CAL025.38.fits ABCD,1x1,high cal flat FORS2_LSS_CAL025.39.fits A ,1x1,low cal flat FORS2_LSS_CAL025.40-44.fits A ,1x1,high cal flat FORS2_LSS_CAL025.45.fits comments: 0.7 arcsec slit A, 1x1,low cal wave FORS2_LSS_CAL025.46.fits ABCD,1x1,low cal flat FORS2_LSS_CAL025.47.fits comments : here dome opened, telescope moved! ABCD,1x1,high cal flat FORS2_LSS_CAL025.48.fits comment: BOB finished after frame 51: OBD and/or TSF keys not used by template script, nor send by BOB to OS: TPL.REFSUP TPL.SEQNO A ,1x1,low cal flat FORS2_LSS_CAL025.49-53.fits A ,1x1,high cal flat FORS2_LSS_CAL025.54.fits comments: stopped for skyflats and other less important calibrations no skyflats due to telescope problems (hydraulics) we continue with the screen calibs ??? FORS2_MXU025.fits 150I+OG590 0.7" He+HgCd+2Ar A,1x1,lo wave FORS2_LSS_CAL026.fits 2B+2R A,1x1,lo flat FORS2_LSS_CAL026.1.fits error with B1, start again 2B+2R A,1x1,lo flat FORS2_LSS_CAL026.2.fits error with B2; no obvious cause, we try again: error with B1 at startup start expo ok, but no readout, instead lamps are switched off and on again resulting in error --> template problem? FORS2 contamination flats ------------------------- none: FORS2 calibration plan: Biases ------------------------------ none: *********************************** Preparation for the night *********************************** started: UT dome open: UT handover: 0:30UT ********************** FORS2 Calibration Plan ********************** Sky flats evening (started LT) ------------------------------------ none ************************** Commissioning Observations ************************** OB-Name: Img_NGC1390 Start: 0:40UT Object: NGC1390 Coll./Mode: SR IMG CCD: ABCD,1x1,low Airmass: 1.03 DIMM: 0.65 Comments: B 360s FORS2_IMG026.fits guiding error: jump V 240s FORS2_IMG026.1.fits IQ=0.6" R 180s FORS2_IMG026.2.fits IQ=0.6" I 180s FORS2_IMG026.3.fits IQ=0.6" B 360s FORS2_IMG026.4.fits IQ=0.9" There are too many BOBs running, we kill them all Reboot LCU3 to get rid of some useless monitor messages ................................................................... OB-Name: FDF_back4 Start: 1:30UT Object: FDF Coll./Mode: SR MOS CCD: A,1x1,low (sci) Airmass: 1.7-2.5 DIMM: 0.7-1.2 Comments: wheel 3 stuck, ok with 2nd attempt bad guiding due to very high air mass R 180s acq FORSFieldAcq026.fits offset a=2.19 d=-0.2 r=0.08 accept no repeat R 300s thru 1" FORS2_MOS_SLIT026.fits no offset 150I MOS 1" 1800s FORS2_MOS026.fits ................................................................... OB-Name: SDS_Q0338_mos Start: 2:28UT Object: SDS_Q0338 Coll./Mode: SR MOS CCD: A,1x1,low (sci) Airmass: 1.4-1.7 DIMM: 1" Comments: 2nd exposure failed (did only 0.25s) because JP2PP did not transmit the OB properly to BOB. Old P2PP works OK I 120s acq FORSFieldAcq026.1.fits offset a=-0.15 d=-0.10 r=0.04 accept no repeat R 300s thru 1" FORS2_MOS_SLIT026.1.fits no offset 150I MOS 1" 1800s FORS2_MOS026.1.fits 1028z+OG590 MOS 0.25s FORS2_MOS026.2.fits error in expotime ................................................................... OB-Name: mos2_3_ob Start: 4:08UT Object: unimportant Coll./Mode: SR MOS CCD: unimportant Airmass: 1.52 DIMM: 1" Comments: MOS acquisition test to test improved Skycat centering accuracy: successful, all objects are well centered V 60s acq FORSFieldAcq026.2.fits a=0.36 d=-2.01 r=0.07 DEFAULT algorithm-->repeat a=0.36 d=-2.01 r=0.07 UNIT algorithm-->repeat a=0.36 d=-2.01 r=0.07 EQUAL algorithm-->repeat accept V 60s FORS2_IMG026.5.fits V MOS 60s FORS2_MOS026.3.fits ................................................................... determination of center of rotation: >>>SR<<< rotator offset = 90deg, on sky = +90 V 60s rotation_SR.2.fits rotator offset = 180deg, on sky = -90 V 60s rotation_SR.3.fits rotator offset = 270deg, on sky = -180 V 60s rotation_SR.4.fits probably trailed rotation_SR.5.fits it is getting cloudier (thicker cirrus), seeing around 1.2" determination of center of rotation: >>>HR<<< rotator offset = 270deg, on sky = -180 V 60s rotation_SR.6.fits rotator offset = 180deg, on sky = 0 V 60s rotation_SR.7.fits rotator offset = 90deg, on sky = 0 V 60s rotation_SR.8.fits ................................................................... OB-Name: MXU_M49b Start: 5:18UT Object: M49 Coll./Mode: SR MXU CCD: A,1x1,lo (sci) Airmass: 1.9 DIMM: 1" Comments: MXU mask test; VERY close to the moon (~5deg) ended after 300s due to high background and bad guiding due to clouds and proximity to the moon R 120s acq FORSFieldAcq026.3.fits offset a=0.93 d=0.45 r=0.03 accept 600B 1800s FORS2_MXU026.fits ................................................................... OB-Name: RXJ0806-img2 Start: 6:25UT Object: RXJ0806 Coll./Mode: HR MOS CCD: not important Airmass: 1.54 DIMM: 1" Comments: only for acq img V 60s acq FORSFieldAcq026.7.fits align failed "rotational center was not specified" there were only 2 reference stars specified ................................................................... nothing useful to be done on the sky so we do some screen calibrations FORS in calibration position (enclosure still open): rotator=-45, adapter=0, GP parked, LADC=30mm; telescope in zenith FORS2 contamination flats ------------------------- OB contamination-quick: ABCD,1x1,high,BVRI B FORS2_IMG_CAL026.-1.fits V FORS2_IMG_CAL026.2-3.fits R FORS2_IMG_CAL026.4-5.fits I FORS2_IMG_CAL026.6-7.fits various calibrations: --------------------- OB: FDF_back4_CAL flat FORS2_MOS_CAL026.fits wave FORS2_MOS_CAL026.1.fits flat FORS2_MOS_CAL026.2.fits OB: SDS_Q0338_mos_CAL flat FORS2_MOS_CAL026.3-4.fits wave FORS2_MOS_CAL026.5.fits flat FORS2_MOS_CAL026.6.fits flat 1028z FORS2_MOS_CAL026.7.fits wave 1028z lamp error wave 1028z FORS2_MOS_CAL026.8.fits flat 1028z FORS2_MOS_CAL026.9.fits OB-Name: calib-lss-600B Start: 8:12 UT Object: flat screen Coll./Mode: SR CCD: A, 1x1,low 1.0 cal wave FORS2_LSS_CAL026.5.fits ABCD,1x1,low 1.0 cal flat FORS2_LSS_CAL026.6.fits ABCD,1x1,high 1.0 cal flat FORS2_LSS_CAL026.7.fits A 1x1,low 1.0 cal flat FORS2_LSS_CAL026.8-12.fits A 1x1,high 1.0 cal flat FORS2_LSS_CAL026.13.fits A, 1x1,low 0.7 cal wave FORS2_LSS_CAL026.14.fits A 1x1,low 0.7 cal flat FORS2_LSS_CAL026.15-19.fits lower lights on in enclosure during 2nd-5th exposure (16-19.fits) re-started OB after light is off, but now rotator position is 0deg for files 20+21, then back to -45. A, 1x1,low 2.5 cal wave FORS2_LSS_CAL026.20.fits ABCD,1x1,low 2.5 cal flat FORS2_LSS_CAL026.21.fits ABCD,1x1,high 2.5 cal flat FORS2_LSS_CAL026.22.fits A 1x1,low 2.5 cal flat FORS2_LSS_CAL026.23-27.fits A 1x1,high 2.5 cal flat FORS2_LSS_CAL026.28.fits Airmass: infinity DIMM: 0.89 Comments: long slit calibration OB ********************** FORS2 Calibration Plan ********************** Sky flats morning ------------------------- none **************************** End of Nightsky Observations **************************** start closing at 9:04UT end closing at 9:30UT Telescope in: zenith Dome in: park FORS2 in: calibration position (shutter closed, LADC+GP parked, rotator -45, adapter 0) ******************** Daytime Calibrations ******************** FORS2 calibration plan: Biases ------------------------------ none ************ Action Items ************ - Bernard: please check reason for acquisition failure of the RXJ0806-img2 OB - are there constraints concerning the number of reference stars? ******************************************************************** * Gero Rupprecht http://www.eso.org/~grupprec * * * Optical Instrumentation Group +49-89-32006-355 * * * European Southern Observatory Garching/Germany * ********************************************************************