9276( 9) - 07/17/02 14:39 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 9276 Version: 9 Check-in Date: 17-Jul-2002 14:37:38 1.Proposal Title: Localization of Optically-Dark Gamma-Ray bursts by Chandra and HST ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle GO 10 ------------------------------------------------------------------------------------ 4. Investigators Contact? PI: George Ricker Massachusetts Institute of Technology CoI: Kevin Hurley UC Berkeley N CoI: J. Garrett Jernigan UC Berkeley N CoI: John Doty MIT N CoI: Peter Ford MIT N CoI: Alan Levine MIT N CoI: Herman Marshall MIT N CoI: Roland Vanderspek MIT N CoI: Joel Villasenor MIT N CoI: Don Lamb University of Chicago N CoI: Andrew Fruchter Space Telescope Science Institute N CoI: Shri Kulkarni Caltech N CoI: Dale Frail NRAO N ------------------------------------------------------------------------------------ 5. Abstract We propose Chandra (CXO) observations of 4 GRBs detected by the HETE soft X-ray camera, with contemporaneous observations with HST. These observations are "relaxed" TOOs, performed 7-16 days after burst detection. To optimize the chance of isolating Z>10 GRBs, we will select "dark GRBs" for which no optical counterpart has been found by ground-based searches withing 2 days of GRB onset. Previous CXO GRB searches have required that observations start within ~24 hours of burst onset, placing an enormous strain on CXO operations. We have determined that 30 ks observations made 7-16 days after burst onset will detect sufficient photons to allow <0.7" locatization of the GRB afterglow. We will immediately place all CXO and HST positions and intensities in the public domain via the GCN. ------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 2] Observations Description ------------------------ We will observe GRBs which have been detected by HETE and localized to <20", but which have not been located by optical or infra-red telescopes. Chandra will be placed on these GRBs within 10-16 days of burst to obtain a <1" position. At the same time as we activate the Chandra ToO, we will activate an HST ToO, which we will request be performed as soon as possible, but no more than 2 weeks after activation. We will request that a second visit be scheduled to occur approximately 6 weeks after the first visit. This will allow us to search for a fading afterglow. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 10 GRB020531 STAR, GAMMA RAY BURSTER RA=15H 15M 17.81S +/- .28", J2000 V = 26.0 DEC=-19D 21' 02.7" +/- .26" Coordinate Source: OTHER_SOURCE Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) J2000 0.0 0.0 0.0 20 GRB020531-2 STAR, GAMMA RAY BURSTER RA=15H 14M 55.76S +/- .28", J2000 V = 26.0 DEC=-19D 24' 54.02" +/- .26" Coordinate Source: OTHER_SOURCE 9276( 9) - 07/17/02 14:39 - [ 4] Visit: 10 Visit Priority: Visit Requirements: 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 ------------------------------------------------------------------------------------------------------------------------------------ 11 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0., 0. MAX DUR CD SEQ 11, 12, 13, 14, 15, 16, 17, 18 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 12 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0., 0. MAX DUR CD ------------------------------------------------------------------------------------------------------------------------------------ 13 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 14 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 15 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 16 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 17 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 18 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 21 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.028400, 0. MAX CD DUR SEQ 21, 22, 23, 24, 25, 26, 27, 28 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 22 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.028400, 0. MAX CD DUR ------------------------------------------------------------------------------------------------------------------------------------ 23 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 24 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 25 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 26 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 27 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 28 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 6] Visit: 20 Visit Priority: Visit Requirements: ON HOLD 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 ------------------------------------------------------------------------------------------------------------------------------------ 11 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0., 0. MAX DUR CD SEQ 11, 12, 13, 14, 15, 16, 17, 18 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 12 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0., 0. MAX DUR CD ------------------------------------------------------------------------------------------------------------------------------------ 13 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 14 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 15 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 16 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 17 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 18 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 21 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.028400, 0. MAX CD DUR SEQ 21, 22, 23, 24, 25, 26, 27, 28 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 22 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.028400, 0. MAX CD DUR ------------------------------------------------------------------------------------------------------------------------------------ 23 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 24 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 25 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 26 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 27 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 28 GRB020531 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 8] Visit: 30 Visit Priority: Visit Requirements: 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 ------------------------------------------------------------------------------------------------------------------------------------ 11 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 0., 0. MAX DUR CD SEQ 11, 12, 13, 14, 15, 16, 17, 18 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 12 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0., 0. MAX DUR CD ------------------------------------------------------------------------------------------------------------------------------------ 13 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 14 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 15 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 16 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 17 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 18 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 21 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 2.028400, 0. MAX CD DUR SEQ 21, 22, 23, 24, 25, 26, 27, 28 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 22 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.028400, 0. MAX CD DUR ------------------------------------------------------------------------------------------------------------------------------------ 23 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 24 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 25 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 26 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 9] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 27 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 5 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 28 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 10] Visit: 40 Visit Priority: Visit Requirements: ON HOLD On Hold Comments: This visit will follow Visit 30 by approximately 6 weeks. 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 ------------------------------------------------------------------------------------------------------------------------------------ 11 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0., 0. MAX DUR CD SEQ 11, 12, 13, 14, 15, 16, 17, 18 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 12 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0., 0. MAX DUR CD ------------------------------------------------------------------------------------------------------------------------------------ 13 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 14 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.253550, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 15 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 16 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.380325, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 17 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 18 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 0.126775, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 21 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.028400, 0. MAX CD DUR SEQ 21, 22, 23, 24, 25, 26, 27, 28 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ 22 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.028400, 0. MAX CD DUR ------------------------------------------------------------------------------------------------------------------------------------ 23 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 24 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.281950, CD 0.126775 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 25 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 26 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.408725, CD 0.380325 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 27 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 30 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 28 GRB020531-2 STIS/C ACCUM 50CCD MIRROR CR-SPLIT=NO 1 590 S POS TARG 2.155175, CD 0.253550 MAX DUR ------------------------------------------------------------------------------------------------------------------------------------ 9276( 9) - 07/17/02 14:39 - [ 12] Summary Form for Proposal 9276 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures 50CCD ------------------------------------------------------------------------------------------------------------------------------------ Configurations STIS/CCD ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements POS TARG 0., 0. MAX DUR SEQ 11, 12, 13, 14, 15, 16, 17, 18 NON-INT POS TARG 0., 0. MAX DUR POS TARG 0.253550, 0.126775 MAX DUR POS TARG 0.380325, 0.380325 MAX DUR POS TARG 0.126775, 0.253550 MAX DUR POS TARG 2.028400, 0. MAX DUR SEQ 21, 22, 23, 24, 25, 26, 27, 28 NON-INT POS TARG 2.028400, 0. MAX DUR POS TARG 2.281950, 0.126775 MAX DUR POS TARG 2.408725, 0.380325 MAX DUR POS TARG 2.155175, 0.253550 MAX DUR ON HOLD ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements MIRROR ------------------------------------------------------------------------------------------------------------------------------------ Target Names GRB020531 GRB020531-2 ------------------------------------------------------------------------------------------------------------------------------------