Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 5658 Report Date: 18-Jul-95:17:49 Version: ********** Check-in Date: ********** 1.Proposal Title: WHITE DWARF CALIBRATION ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID CAL/FOS Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Luis Colina STSCI USA 410-338-5086 ------------------------------------------------------------------------------------ 7. Abstract As a result of last November calibration workshop, all parties agreed that the HST should be switched to the WD basis for absolute fluxes. This proposal implements that decision. A measurement of the absolute sensitivity of the FOS detectors will be performed using theoretical pure hydrogen model atmosphere calculations for three white dwarfs. The high resolution gratings will be used in the 1 arcsec aperture. A four stage peakup of the standard star provides centering in the aperture. Observations are requested for fall 94 with repeated observations about two months after. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 23 par: 0 10. Num targs pri: 3 par: 0 ------------------------------------------------------------------------------------ 11. Instruments requested: FOS ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 5658 PI: Luis Colina Proposal Title: WHITE DWARF CALIBRATION ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ P.I. Luis Colina SPACE TELESCOPE SCIENCE USA INSTITUTE C.I. Ralph Bohlin SPACE TELESCOPE SCIENCE USA INSTITUTE C.I. Charles (Tony) Keyes SPACE TELESCOPE SCIENCE USA INSTITUTE C.I. Anuradha Koratkar SPACE TELESCOPE SCIENCE USA INSTITUTE C.I. Anne Kinney SPACE TELESCOPE SCIENCE USA INSTITUTE C.I. Cynthia Taylor SPACE TELESCOPE SCIENCE USA INSTITUTE ------------------------------------------------------------------------------------ 2. Scientific Justification. These measurements will provide the FOS absolute sensitivity. ------------------------------------------------------------------------------------ 3. Description of proposed observations. Spectra of three white dwarf standard stars will be obtained in five red detector and four blue detector-high dispersion grating combination. To assure registration of the spectrum on the diode array, the stars will be observed at 3 y-bases with an 0.156 arcsec (31.2 micron) separation. All spectra will be obtained in the 1.0 arcsec aperture. ------------------------------------------------------------------------------------ 5. Description of special scheduling requirements. PREREQUISITES: 1) Pointing stability of 10% of the smallest aperture used (1.0") - 0.1" - is required. ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. Data reduction will be performed at the STScI with the results used to update the RSDP inverse sensitivity files and to determine the full photometric recalibration of the FOS, particularly in the UV range, where the switch to the WD flux scale is up to 15% systematic change in flux scales. This new basis for absolute calibartion will also be propagated from FOS to all the SI's on HST. ------------------------------------------------------------------------------------ 11. Address Information Name: LUIS COLINA Category: PI Institution: STSCI Address: 3700 SAN MARTIN DRIVE City: BALTIMORE State: MD Zip Code: 21218 Country: USA Telephone: 410-338-5086 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 5658 [ 3] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial |Acqui|FLX| Flux data No | Name | Description | Position |Eqnx | Vel. |Prblm|REF| | | | | | | | | ------------------------------------------------------------------------------------------------------------------------------------ 1 HZ43 J,702 RA = 13H 16M 22.0S +/- 2000 1 V = 12.68 +/- 0.02 GSSS1996- 0.01S, 2 B = 12.56 +/- 0.02 1402 DEC = +29D 05' 57.0" +/- 0.2", PLATE-ID=002K Comments: THE GSC NAME IS GIVEN. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) J 1982.39 -0.0116 +/- 0.0002 -0.0813 +/- 0.0095 0.0000 +/- 0.0000 ------------------------------------------------------------------------------------------------------------------------------------ 2 GD71 J,702 RA = 05H 52M 27.5S +/- 2000 1 V = 13.04 +/- 0.02 LTT11733 0.01S, 2 B = 12.80 +/- 0.02 DEC = +15D 53' 16.6" +/- 3 U = 11.73 +/- 0.02 0.2", PLATE-ID=009N Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) J 1982.96 0.0047 +/- 0.0000 -0.1879 +/- 0.0000 0.0000 +/- 0.0000 ------------------------------------------------------------------------------------------------------------------------------------ 3 GD153 J,702 RA = 12H 57M 02.4S +/- 2000 1 V = 13.40 +/- 0.02 GSSS1455- 0.01S, 2 B = 13.17 +/- 0.02 1145 DEC = +22D 01' 56.0" +/- 0.2", PLATE-ID=01PN Comments: THE GSC NAME IS GIVEN. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) J 1982.38 -0.0014 +/- 0.0000 -0.1898 +/- 0.0000 0.0000 +/- 0.0000 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5658 [ 4] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 DEFINE # # ACQ/ 4.3 # SEARCH-SIZE-X=1 1 1S 1 SEQ 1-3 NO GAP PTARG PEAK SEARCH-SIZE-Y=3 SCAN-STEP- Y=1.204 ------------------------------------------------------------------------------------------------------------------------------------ 2 DEFINE # # ACQ/ 1.0 # SEARCH-SIZE-X=6 1 1.0S 1 1 PTARG PEAK SEARCH-SIZE-Y=2 SCAN-STEP- X=0.602 SCAN-STEP- Y=0.602 ------------------------------------------------------------------------------------------------------------------------------------ 3 DEFINE # # ACQ/ 0.3 # SEARCH-SIZE-X=5 1 20.0S 1 1 PTARG PEAK SCAN-STEP- X=0.172 SEARCH-SIZE-Y=5 SCAN-STEP- Y=0.172 Comments: PEAK-UP SEQUENCE; ------------------------------------------------------------------------------------------------------------------------------------ 4 DEFINE # # ACQ/ 0.3 # SEARCH-SIZE-X=5 1 20.0S 1 1 PTWEAK PEAK SCAN-STEP- X=0.052 SEARCH-SIZE-Y=5 SCAN-STEP- Y=0.052 Comments: TWEAK UP TARGET IN 0.3 APERTURE ; ------------------------------------------------------------------------------------------------------------------------------------ 20 DEFINE # FOS/RD IMAGE # G190H SUB-STEP=4 1 120S 30 1 1 SEQ 20.0-20.4 NO HZ43-R- Y-SIZE=3 GAP 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 20.1 DEFINE # FOS/RD IMAGE # G780H SUB-STEP=4 1 300S 30 1 1 HZ43-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 20.2 DEFINE # FOS/RD IMAGE # G570H SUB-STEP=4 1 240S 30 1 1 HZ43-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 20.3 DEFINE # FOS/RD IMAGE # G400H SUB-STEP=4 1 120S 30 1 1 HZ43-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5658 [ 5] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 20.4 DEFINE # FOS/RD IMAGE # G270H SUB-STEP=4 1 120S 30 1 1 HZ43-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 21 DEFINE # FOS/BL IMAGE # G190H SUB-STEP=4 1 120S 30 1 1 SEQ 21.0-21.3 NO HZ43-B- Y-SIZE=3 GAP 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 21.1 DEFINE # FOS/BL IMAGE # G130H SUB-STEP=4 1 120S 30 1 1 HZ43-B- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 21.2 DEFINE # FOS/BL IMAGE # G400H SUB-STEP=4 1 120S 30 1 1 HZ43-B- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 21.3 DEFINE # FOS/BL IMAGE # G270H SUB-STEP=4 1 120S 30 1 1 HZ43-B- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 30 DEFINE # FOS/RD IMAGE # G190H SUB-STEP=4 1 120S 30 1 1 SEQ 30.0-30.4 NO GD71-R- Y-SIZE=3 GAP 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 30.1 DEFINE # FOS/RD IMAGE # G780H SUB-STEP=4 1 360S 30 1 1 GD71-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 30.2 DEFINE # FOS/RD IMAGE # G570H SUB-STEP=4 1 210S 30 1 1 GD71-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5658 [ 6] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 30.3 DEFINE # FOS/RD IMAGE # G400H SUB-STEP=4 1 120S 30 1 1 GD71-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 30.4 DEFINE # FOS/RD IMAGE # G270H SUB-STEP=4 1 120S 30 1 1 GD71-R- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 31 DEFINE # FOS/BL IMAGE # G190H SUB-STEP=4 1 120S 30 1 1 SEQ 31.0-31.3 NO GD71-B- Y-SIZE=3 GAP 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 31.1 DEFINE # FOS/BL IMAGE # G130H SUB-STEP=4 1 150S 30 1 1 GD71-B- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 31.2 DEFINE # FOS/BL IMAGE # G400H SUB-STEP=4 1 120S 30 1 1 GD71-B- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 31.3 DEFINE # FOS/BL IMAGE # G270H SUB-STEP=4 1 120S 30 1 1 GD71-B- Y-SIZE=3 43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 40 DEFINE # FOS/RD IMAGE # G190H SUB-STEP=4 1 120S 30 1 1 SEQ 40.0-40.4 NO GD153-R Y-SIZE=3 GAP -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 40.1 DEFINE # FOS/RD IMAGE # G780H SUB-STEP=4 1 600S 30 1 1 GD153-R Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5658 [ 7] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 40.2 DEFINE # FOS/RD IMAGE # G570H SUB-STEP=4 1 420S 30 1 1 GD153-R Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 40.3 DEFINE # FOS/RD IMAGE # G400H SUB-STEP=4 1 120S 30 1 1 GD153-R Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 40.4 DEFINE # FOS/RD IMAGE # G270H SUB-STEP=4 1 120S 30 1 1 GD153-R Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 41 DEFINE # FOS/BL IMAGE # G190H SUB-STEP=4 1 120S 30 1 1 SEQ 41.0-41.3 NO GD153-B Y-SIZE=3 GAP -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 41.1 DEFINE # FOS/BL IMAGE # G130H SUB-STEP=4 1 240S 30 1 1 GD153-B Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 41.2 DEFINE # FOS/BL IMAGE # G400H SUB-STEP=4 1 195S 30 1 1 GD153-B Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 41.3 DEFINE # FOS/BL IMAGE # G270H SUB-STEP=4 1 120S 30 1 1 GD153-B Y-SIZE=3 -43 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ 200 USE HZ43 FOS/BL G270H SEQ 200-202 NO GAP PTARG ONBOARD ACQ FOR 201 CYCLE 4 / 200-412 AT 1-AUG-1994 +/- 14D REPEAT 200-202 EVERY 140D +/- 7D FOR 1 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5658 [ 8] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 201 USE HZ43 FOS/BL G270H ONBOARD ACQ FOR PTWEAK 202.0 ------------------------------------------------------------------------------------------------------------------------------------ 202 USE HZ43 1.0 HZ43-B- 43 ------------------------------------------------------------------------------------------------------------------------------------ 210 USE HZ43 FOS/RD G270H SEQ 210-212 NO GAP PTARG ONBOARD ACQ FOR 211 AT 1-AUG-1994 +/- 14D REPEAT 210-212 EVERY 140D +/- 7D FOR 1 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ 211 USE HZ43 FOS/RD G270H ONBOARD ACQ FOR PTWEAK 212.0 ------------------------------------------------------------------------------------------------------------------------------------ 212 USE HZ43 1.0 HZ43-R- 43 ------------------------------------------------------------------------------------------------------------------------------------ 300 USE GD71 FOS/BL G270H SEQ 300-302 NO GAP PTARG ONBOARD ACQ FOR 301.0 AT 1-AUG-1994 +/- 14D REPEAT 300-302 EVERY 60D +/- 7D FOR 1 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ 301 USE GD71 FOS/BL G270H ONBOARD ACQ FOR PTWEAK 302.0 ------------------------------------------------------------------------------------------------------------------------------------ 302 USE GD71 1.0 GD71-B- 43 ------------------------------------------------------------------------------------------------------------------------------------ 310 USE GD71 FOS/RD G270H SEQ 310-312 NO GAP PTARG ONBOARD ACQ FOR 311 AT 15-OCT-1994 +/- 14D REPEAT 310-312 EVERY 60D +/- 7D FOR 1 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ 311 USE GD71 FOS/RD G270H ONBOARD ACQ FOR PTWEAK 312.0 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 5658 [ 9] ------------------------------------------------------------------------------------------------------------------------------------ 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |10 | 11 | 12 |13 |14| 15 ------------------------------------------------------------------------------------------------------------------------------------ Line | Seq | Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | S/N |Flx|Pr| Special Number | Name | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| |Rel. Time|Ref| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 312 USE GD71 1.0 GD71-R- 43 ------------------------------------------------------------------------------------------------------------------------------------ 400 USE GD153 FOS/BL G270H SEQ 400-402 NO GAP PTARG ONBOARD ACQ FOR 401.0 AT 1-JAN-1995 +/- 14D REPEAT 400-402 EVERY 60D +/- 7D FOR 1 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ 401 USE GD153 FOS/BL G270H ONBOARD ACQ FOR PTWEAK 402.0 ------------------------------------------------------------------------------------------------------------------------------------ 402 USE GD153 1.0 GD153-B -43 ------------------------------------------------------------------------------------------------------------------------------------ 410 USE GD153 FOS/RD G270H SEQ 410-412 NO GAP PTARG ONBOARD ACQ FOR 411.0 AT 1-JAN-1995 +/- 14D REPEAT 410-412 EVERY 60D +/- 7D FOR 1 MORE TIMES ------------------------------------------------------------------------------------------------------------------------------------ 411 USE GD153 FOS/RD G270H ONBOARD ACQ FOR PTWEAK 412.0 ------------------------------------------------------------------------------------------------------------------------------------ 412 USE GD153 1.0 GD153-R -43 ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 5658 [ 10] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations # FOS/RD FOS/BL ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ/PEAK IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters SEARCH-SIZE-X=1 SEARCH-SIZE-Y=3 SCAN-STEP-Y=1.204 SEARCH-SIZE-X=6 SEARCH-SIZE-Y=2 SCAN-STEP-X=0.602 SCAN-STEP-Y=0.602 SEARCH-SIZE-X=5 SCAN-STEP-X=0.172 SEARCH-SIZE-Y=5 SCAN-STEP-Y=0.172 SCAN-STEP-X=0.052 SCAN-STEP-Y=0.052 SUB-STEP=4 Y-SIZE=3 Y-SPACE=31.2 COMB=YES Y=DEF ------------------------------------------------------------------------------------------------------------------------------------ Proposal for CAL/FOS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 23 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements SEQ 1-3 NO GAP; SEQ 20.0-20.4 NO GAP; SEQ 21.0-21.3 NO GAP; SEQ 30.0-30.4 NO GAP; SEQ 31.0-31.3 NO GAP; SEQ 40.0-40.4 NO GAP; SEQ 41.0-41.3 NO GAP; SEQ 200-202 NO GAP; ONBOARD ACQ FOR 201; CYCLE 4 / 200-412; AT 1-AUG-1994 +/- 14D; REPEAT 200-202 EVERY 140D +/- 7D FOR 1 MORE TIMES ONBOARD ACQ FOR 202.0; SEQ 210-212 NO GAP; ONBOARD ACQ FOR 211; REPEAT 210-212 EVERY 140D +/- 7D ONBOARD ACQ FOR 212.0; SEQ 300-302 NO GAP; ONBOARD ACQ FOR 301.0; REPEAT 300-302 EVERY 60D +/- 7D ONBOARD ACQ FOR 302.0; SEQ 310-312 NO GAP; ONBOARD ACQ FOR 311; AT 15-OCT-1994 +/- 14D; REPEAT 310-312 EVERY 60D +/- 7D ONBOARD ACQ FOR 312.0; SEQ 400-402 NO GAP; ONBOARD ACQ FOR 401.0; AT 1-JAN-1995 +/- 14D; REPEAT 400-402 EVERY 60D +/- 7D ONBOARD ACQ FOR 402.0; SEQ 410-412 NO GAP; ONBOARD ACQ FOR 411.0; REPEAT 410-412 EVERY 60D +/- 7D ONBOARD ACQ FOR 412.0; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements # G190H G780H G570H G400H G270H G130H ------------------------------------------------------------------------------------------------------------------------------------ Target Names HZ43 GSSS1996-1402 GD71 LTT11733 GD153 GSSS1455-1145 ------------------------------------------------------------------------------------------------------------------------------------