6877( 4) - 12/17/96 12:23 - [ 0] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 6877 Version: 4 Check-in Date: 17-Dec-1996 11:17:40 1.Proposal Title: Parallax of Feige 24 ------------------------------------------------------------------------------------ 2. Scientific Category 3. Proposal For 4. Cycle Cool Stars GTO/AST 6 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: G. Fritz Benedict UNIVERSITY OF TEXAS CoI: William Jefferys UNIVERSITY OF TEXAS N ------------------------------------------------------------------------------------ 6. Abstract Feige 24 is an X-ray source and interacting binary for which a precise parallax would increase the validity of any astrophysical investigations. ------------------------------------------------------------------------------------ Observations Description ------------------------ Observe Feige 24 and associated reference frame at maximum parallax factor during Cycle 6. Schedule in August 1996 and February 1997. Real Time Justification ----------------------- Calibration Justification ------------------------- Will require continued LTSTAB observations. Additional Comments ------------------- Will continue into Cycle 7; one epoch in cycle 7. ------------------------------------------------------------------------------------ Data Distribution Media: 8MM Blocking Factor: 10 Ship To: Benedict, McDonald Obs, Austin, TX 78712 Ship Via: UPS Email: fritz@dorrit.as.utexas.edu , ------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 1] TARGET LIST a) Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 FEIGE24 STAR,Interacting RA=38.7807167D +/- 0.0005D, DEC= J2000.00 V = 12.6+/-0.2 Binary, X-ray Transient 3.7323083D +/- 0.0005D 2 FEIGE24-GSC- CALIBRATION,ASTROMETRIC RA=38.8599375D +/- 0.0005D, DEC= J2000.00 V = 11.8+/-0.2 1-REF 3.6971778D +/- 0.0005D Comments: star 21 in GFB list 3 FEIGE24-GSC- CALIBRATION,ASTROMETRIC RA=38.8260333D +/- 0.0005D, DEC= J2000.00 V = 13.2+/-0.2 2-REF 3.7111556D +/- 0.0005D Comments: star 27 in GFB list 4 FEIGE24-GSC- CALIBRATION,ASTROMETRIC RA=38.8671875D +/- 0.0005D, DEC= J2000.00 V = 15.1+/-0.2 3-REF 3.7149806D +/- 0.0005D Comments: star 28 in GFB list 5 FEIGE24-GSC- CALIBRATION,ASTROMETRIC RA=38.8190334D +/- 0.0005D, DEC= J2000.0 V = 13.9+/-0.2 4-REF 3.7211417D +/- 0.0005D Comments: star 32 in GFB list 6 FEIGE24-PDS- CALIBRATION,ASTROMETRIC RA=38.7586791D +/- 0.0005D, DEC= J2000.0 V = 16.5+/-0.5 5-REF 3.7450167D +/- 0.0005D Comments: star 42 in GFB list 6877( 4) - 12/17/96 12:23 - [ 2] Visit: 01 Visit Requirements: BETWEEN 25-JUL-1997 and 10-AUG-1997;ORIENT 270D TO 274D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 FEIGE24 FGS POS PRIME F583W 1 50 S POS TARG 79,29;MAX DUR 50S Comments: tweak POS TARG ------------------------------------------------------------------------------------------------------------------------------------ 20 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SEQ 10-111 NON-INT;SAME -1-REF POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 30 FEIGE24-GSC FGS POS PRIME F583W 1 30 S SAME POS AS 10;MAX DUR -2-REF 30S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 40 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -3-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 50 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 51 FEIGE24-PDS FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -5-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 60 FEIGE24 FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 80 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 90 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 100 FEIGE24-GSC FGS POS PRIME F583W 1 30 S SAME POS AS 10;MAX DUR -3-REF 30S ------------------------------------------------------------------------------------------------------------------------------------ 102 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 3] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 109 FEIGE24 FGS POS PRIME F583W 1 50 S SAME POS AS 10;MAX DUR 50S ------------------------------------------------------------------------------------------------------------------------------------ 110 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 111 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 4] Visit: 02 Visit Requirements: After 1 BY 5D TO 30D;ORIENT 270D TO 274D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 FEIGE24 FGS POS PRIME F583W 1 50 S POS TARG 79,29;MAX DUR 50S Comments: tweak POS TARG ------------------------------------------------------------------------------------------------------------------------------------ 20 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SEQ 10-111 NON-INT;SAME -1-REF POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 30 FEIGE24-GSC FGS POS PRIME F583W 1 30 S SAME POS AS 10;MAX DUR -2-REF 30S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 40 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -3-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 50 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 51 FEIGE24-PDS FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -5-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 60 FEIGE24 FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 80 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 90 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 100 FEIGE24-GSC FGS POS PRIME F583W 1 32 S SAME POS AS 10;MAX DUR -3-REF 32S ------------------------------------------------------------------------------------------------------------------------------------ 102 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 109 FEIGE24 FGS POS PRIME F583W 1 50 S SAME POS AS 10;MAX DUR 50S ------------------------------------------------------------------------------------------------------------------------------------ 110 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 111 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 6] Visit: 03 Visit Requirements: BETWEEN 20-JAN-1998 and 15-FEB-1998;ORIENT 83.0D TO 87.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 FEIGE24 FGS POS PRIME F583W 1 50 S POS TARG -106,-74;MAX DUR 50S Comments: tweak POS TARG ------------------------------------------------------------------------------------------------------------------------------------ 20 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SEQ 10-111 NON-INT;SAME -1-REF POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 30 FEIGE24-GSC FGS POS PRIME F583W 1 30 S SAME POS AS 10;MAX DUR -2-REF 30S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 40 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -3-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 50 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 51 FEIGE24-PDS FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -5-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 60 FEIGE24 FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 80 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 90 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 100 FEIGE24-GSC FGS POS PRIME F583W 1 32 S SAME POS AS 10;MAX DUR -3-REF 32S ------------------------------------------------------------------------------------------------------------------------------------ 102 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 109 FEIGE24 FGS POS PRIME F583W 1 50 S SAME POS AS 10;MAX DUR 50S ------------------------------------------------------------------------------------------------------------------------------------ 110 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 111 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 8] Visit: 04 Visit Requirements: AFTER 3 BY 5D TO 10D;ORIENT 83.0D TO 87.0D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 FEIGE24 FGS POS PRIME F583W 1 50 S POS TARG -106,-74;MAX DUR 50S Comments: tweak POS TARG ------------------------------------------------------------------------------------------------------------------------------------ 20 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SEQ 10-111 NON-INT;SAME -1-REF POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 30 FEIGE24-GSC FGS POS PRIME F583W 1 30 S SAME POS AS 10;MAX DUR -2-REF 30S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 40 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -3-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 50 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 51 FEIGE24-PDS FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -5-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 60 FEIGE24 FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR 52S ------------------------------------------------------------------------------------------------------------------------------------ 80 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 90 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 100 FEIGE24-GSC FGS POS PRIME F583W 1 32 S SAME POS AS 10;MAX DUR -3-REF 32S ------------------------------------------------------------------------------------------------------------------------------------ 102 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -4-REF 52S ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 9] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 109 FEIGE24 FGS POS PRIME F583W 1 50 S SAME POS AS 10;MAX DUR 50S ------------------------------------------------------------------------------------------------------------------------------------ 110 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -1-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 111 FEIGE24-GSC FGS POS PRIME F583W 1 52 S SAME POS AS 10;MAX DUR -2-REF 52S Comments: OBSERVE ONLY THOSE REFERENCE STARS WITHIN THE ASTROMETRY PICKLE ------------------------------------------------------------------------------------------------------------------------------------ 6877( 4) - 12/17/96 12:23 - [ 10] Summary Form for Proposal 6877 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Configurations FGS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes POS ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GTO/AST ------------------------------------------------------------------------------------------------------------------------------------ Scientific Category Cool Stars ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BETWEEN 25-JUL-1997 and 10-AUG-1997;ORIENT 270D TO 274D POS TARG 79,29;MAX DUR 50S SEQ 10-111 NON-INT;SAME POS AS 10;MAX DUR 52S SAME POS AS 10;MAX DUR 30S SAME POS AS 10;MAX DUR 50S After 1 BY 5D TO 30D;ORIENT 270D TO 274D SAME POS AS 10;MAX DUR 32S BETWEEN 20-JAN-1998 and 15-FEB-1998;ORIENT 83.0D TO 87.0D POS TARG -106,-74;MAX DUR 50S AFTER 3 BY 5D TO 10D;ORIENT 83.0D TO 87.0D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F583W ------------------------------------------------------------------------------------------------------------------------------------ Target Names FEIGE24 FEIGE24-GSC-1-REF FEIGE24-GSC-2-REF FEIGE24-GSC-3-REF FEIGE24-GSC-4-REF FEIGE24-PDS-5-REF ------------------------------------------------------------------------------------------------------------------------------------