Page 1 PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID 4462c Report Date: 09-May-96:19:37 Version: ********** Check-in Date: ********** 1.Proposal Title: GHRS SSA A2 OFFSET VERIFICATION ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Proposal Type 5. Continuation ID CAL/HRS Sub Category ------------------------------------------------------------------------------------ 6. Principal Investigator Institution Country Telephone Ronald L. Gilliland SPACE TELESCOPE SCIENCE INST USA 410-338-4454 ------------------------------------------------------------------------------------ 7. Abstract The positioning of stars in the GHRS Small Science Aperture is crucial for proper execution of the science program. This proposal monitors the offset precision from the LSA to SSA. Special calibration proposal to: 1) verify centering following telescope refocus, and 2) provide check of SSA/LSA ratio for absolute sensitivity calibration. ------------------------------------------------------------------------------------ 8. Scientific Key Words: CALIBRATION SPECTROSCOPY, UV ------------------------------------------------------------------------------------ 9. Est obs time (hours) pri: 0.89 par: 0 10. Num targs pri: 1 par: 0 ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ Page 2 I. GENERAL FORM Proposal 4462c PI: Ronald L. Gilliland Proposal Title: GHRS SSA A2 OFFSET VERIFICATION ------------------------------------------------------------------------------------ 1. Proposers: Proposers Institution Country ESA ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 5. Description of special scheduling requirements. Minimal ACCUM mode exposures are more than adequate to define a high quality spiral flux "map" for G160M. ------------------------------------------------------------------------------------ 7. Data reduction and analysis plans. Data will be analysed at the ST ScI using fully developed and tested software. ------------------------------------------------------------------------------------ 13. Flux measurements will be obtained at a grid of positions near nominal best pointing with the SSA, using a dispersing element. ------------------------------------------------------------------------------------ 11. Address Information Name: RONALD L. GILLILAND Category: PI Institution: Space Telescope Science Institute Address: City: State: Zip Code: Country: USA Telephone: 410-338-4454 Telex (or e-mail): ------------------------------------------------------------------------------------ TARGET LIST a) Fixed Targets ID = 4462c [ 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 HD141556 CHI A,117 RA=15H 47M 46.468S +/- 0.2", 1950 V=+5 1 V=3.95+/-.05, TYPE=BP -LUP DEC=-33D 28' 35.36" +/- 0.2" 2 F-CONT(1362)=1.8 E-10 3 F-CONT(1868)=1.9 E-10 4 F-CONT(2682)=1.0 E-10 Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 1950.00 -0.0006 +/- 0.0007 -0.0320 +/- 0.0100 0.0000 +/- 0.0000 ------------------------------------------------------------------------------------------------------------------------------------ EXPOSURE LOGSHEET ID = 4462c [ 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 HD141556 HRS ACQ 2.0 MIRROR-A2 SEARCH-SIZE=5 1 5.0S 10 1 1 ONBOARD ACQ FOR FAINT=1900 1.001 BRIGHT=65000 Comments: STEP-TIME=0.2 SEC ------------------------------------------------------------------------------------------------------------------------------------ 1.001 HD141556 HRS ACQ/ 2.0 MIRROR-A2 1 163.2S 10 1 1 ONBOARD ACQ FOR PEAKUP 1.002-153.000 Comments: STEP-TIME=1.6 SEC ------------------------------------------------------------------------------------------------------------------------------------ 1.002 HD141556 HRS IMAGE 2.0 MIRROR-A2 NX=32 1 102.4S 10 4 1 NY=16 DELTA-X=2 DELTA-Y=4 Comments: STEP-TIME=0.2 SEC ------------------------------------------------------------------------------------------------------------------------------------ 3 HD141556 HRS ACCUM 2.0 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 CYCLE 2 / 1.000- 153.000 ------------------------------------------------------------------------------------------------------------------------------------ 13 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 ------------------------------------------------------------------------------------------------------------------------------------ 23 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG -0.1,0.0 ------------------------------------------------------------------------------------------------------------------------------------ 33 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG -0.1,0.1 ------------------------------------------------------------------------------------------------------------------------------------ 43 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.0,0.1 ------------------------------------------------------------------------------------------------------------------------------------ 53 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.1,0.1 ------------------------------------------------------------------------------------------------------------------------------------ 63 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.1,0.0 ------------------------------------------------------------------------------------------------------------------------------------ 73 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.1,-0.1 ------------------------------------------------------------------------------------------------------------------------------------ 83 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.0,-0.1 ------------------------------------------------------------------------------------------------------------------------------------ 93 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG -0.1,-0.1 ------------------------------------------------------------------------------------------------------------------------------------ 103 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG -0.20,0.0 ------------------------------------------------------------------------------------------------------------------------------------ 113 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.2,0.0 ------------------------------------------------------------------------------------------------------------------------------------ 123 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.0,-0.2 ------------------------------------------------------------------------------------------------------------------------------------ 133 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.0,0.2 ------------------------------------------------------------------------------------------------------------------------------------ 143 HD141556 HRS ACCUM 0.25 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 POS TARG 0.0,0.0 ------------------------------------------------------------------------------------------------------------------------------------ 153 HD141556 HRS ACCUM 2.0 G160M 1868 STEP-PATT=4 1 14.4S 100 3 1 ------------------------------------------------------------------------------------------------------------------------------------ Summary Form for Proposal 4462c [ 5] Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations HRS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACQ ACQ/PEAKUP IMAGE ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters SEARCH-SIZE=5 FAINT=1900 BRIGHT=65000 NX=32 NY=16 DELTA-X=2 DELTA-Y=4 STEP-PATT=4 ------------------------------------------------------------------------------------------------------------------------------------ Proposal for CAL/HRS ------------------------------------------------------------------------------------------------------------------------------------ S/C Hours 0.89 ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category ------------------------------------------------------------------------------------------------------------------------------------ Scientific Sub-category ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ONBOARD ACQ FOR 1.001; ONBOARD ACQ FOR 1.002-153.000; CYCLE 2 / 1.000-153.000; POS TARG -0.1,0.0 POS TARG -0.1,0.1 POS TARG 0.0,0.1 POS TARG 0.1,0.1 POS TARG 0.1,0.0 POS TARG 0.1,-0.1 POS TARG 0.0,-0.1 POS TARG -0.1,-0.1 POS TARG -0.20,0.0 POS TARG 0.2,0.0 POS TARG 0.0,-0.2 POS TARG 0.0,0.2 POS TARG 0.0,0.0 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements MIRROR-A2 G160M ------------------------------------------------------------------------------------------------------------------------------------ Target Names HD141556 CHI-LUP ------------------------------------------------------------------------------------------------------------------------------------