9442( 6) - 04/09/02 09:23 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 9442 Version: 6 Check-in Date: 09-Apr-2002 09:20:30 1.Proposal Title: Optical Counterparts for Low-Luminosity X-ray Sources in Omega Centauri ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle GO 11 ------------------------------------------------------------------------------------ 4. Investigators Contact? PI: Adrienne Cool San Francisco State University CoI: Ms. Daryl Haggard San Francisco State University N CoI: Mr. Jeff Carlin San Francisco State University N CoI: Dr. Jay Anderson University of California, Berkeley N CoI: Dr. Charles Bailyn Yale University N CoI: Dr. Peter Edmonds Harvard-Center for Astrophysics N CoI: Dr. Jonathan Grindlay Harvard-Center for Astrophysics N ------------------------------------------------------------------------------------ 5. Abstract We propose to use narrow-band HAlpha imaging with ACS to search for the optical counterparts of low-luminosity X-ray sources (Lx ~ 2 x 10^30 - 5 x 10^32 erg/s) in the globular cluster Omega Centauri. With 9 WFC fields, we will cover the inner two core radii of the cluster, and encompass about 90 of the faint sources we have identified with Chandra. Approximately 30-50 of these sources should be cluster members, the remainder being mostly background galaxies plus a smaller number of foreground stars. This large population of low-Lx cluster X-ray sources is second only to the more than 100 faint sources recently discovered in 47 Tuc with Chandra (Grindlay et al. 2001a), which have been identified as a mixture of cataclysmic variables, quiescent low-mass X-ray binaries, millisecond pulsars, and coronally active main-sequence binaries. Our Cycle 6 WFPC2 program successfully identified 2 of the 3 then-known faint X-ray sources in the core of Omega Cen using H-alpha imaging. We now propose to expand the areal coverage by a factor of about 18 to encompass the much larger number of sources that have since been discovered with Chandra. The extreme crowding in the central regions of Omega Cen requires the resolution of HST to obtain optical IDs. These identifications are key to making meaningful comparisons between the populations of faint X-ray sources in different clusters, in an effort to understand their origins and role in cluster dynamics. ------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 2] Observations Description ------------------------ We will use 9 ACS/WFC fields to cover Chandra sources within the inner two core radii of Omega Centaru (NGC 5139) (core radius r_c = 155"). To ensure that the 3x3 mosaic of WFC fields can be stitched together well, we will overlap the fields by about 5". POS TARG offsets have been chosen based on pattern 17 in ISR 2001-07 (extending it from a 2x2 mosaic to a 3x3 mosaic). The spacing between tiles in the mosaic will be 193" in x and 196" in y. The latter is slightly larger than the y offset used in pattern 17 (193.4"), but our tests with VTT show that we should still have at least 5" of overlap between tiles. Furthermore, we will be dithering in the y direction within each pointing, which should also help to ensure adequate overlap between tiles. To account for the fact that the POS TARG x direction is not aligned with the x axis of the chip, we will also shift in y by +15" when we shift in x by 193". This choice nearly matches the 14.8" shift used in pattern 17. Two orbits will be spent at each of the 9 pointings. Each orbit will begin with a short exposure, followed by 5 longer exposures. Exposures times for the longer exposures were chosen to be 340 sec or greater so that a given exposure can be read out during the following one. Each pair of orbits is a separate visit. During each visit, 3 long (340s) exposures will be obtained in F435W ("B") and F625W ("R") filters, and 4 long (440s) exposures in F658N ("H-alpha"). Short exposures (8s in R and 12s in B) will be taken as well to produce images in which the horizontal branch stars (V ~ 14.5) are not saturated. Dithering within visits will be done as follows to fill in the chip gap. The three long B exposures will each be done at a different position, offset from one another in the y direction only (using YPOS in POS TARG). POS TARG y values will be -7.5, 0, and 7.5. This ensures that any star will be covered by at least 2 of the 3 exposures. This pattern will also be used for the long R exposures. A similar strategy will be employed with the four H-alpha exposures, but the spacing will be smaller. POS TARG y values will be -7.5,-2.5, +2.5, and +7.5. This will ensure that any star will be covered by at least 3 of the 4 H-alpha exposures. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- We request that we be informed when the ORIENT for this program is chosen. At that point we will supply revised target coordinates. While the program can be executed at any ORIENT, the RA and Dec needed to get optimal coverage of X-ray sources will depend on what ORIENT is used. This will be a very simple adjustment, as the program contains a single target (all pointings being relative to it). ------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC5139 STELLAR CLUSTER, RA=13H 26M 47.7S +/- 0.10S, DEC= J2000 Z = V = 3.7 GLOBULAR CLUSTER -47D 28' 20" +/- 1.0" 3.342 Coordinate Source: OTHER_SOURCE Comments: V = 3.7 IS THE INTEGRATED MAGNITUDE OF THE WHOLE CLUSTER. THE BRIGHTEST STARS WITHIN THE CLUSTER HAVE V~12. 9442( 6) - 04/09/02 09:23 - [ 4] Visit: 01 Visit Priority: Visit Requirements: ON HOLD ORIENT 84D TO 84D On Hold Comments: Target coordinates to be updated after ORIENT is chosen. Additional Comments: ORIENT may be changed to any other value; but if ORIENT is changed target coordinates must also change. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 111 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG -193.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 112 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 113 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 114 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0, 173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 115 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0, 173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 116 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0, 173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 121 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG -193.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 122 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0, 181.0 C ------------------------------------------------------------------------------------------------------------------------------------ 123 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0, 181.0 C ------------------------------------------------------------------------------------------------------------------------------------ 124 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0, 178.5 C ------------------------------------------------------------------------------------------------------------------------------------ 125 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0, 183.5 C ------------------------------------------------------------------------------------------------------------------------------------ 126 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 5] Visit: 02 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 211 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG 0.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 212 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 213 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 214 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 215 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 216 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 221 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG 0.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 222 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 196.0 C ------------------------------------------------------------------------------------------------------------------------------------ 223 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 196.0 C ------------------------------------------------------------------------------------------------------------------------------------ 224 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0, 193.5 C ------------------------------------------------------------------------------------------------------------------------------------ 225 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0, 198.5 C ------------------------------------------------------------------------------------------------------------------------------------ 226 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 6] Visit: 03 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 311 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG 193.0, 218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 312 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 313 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 314 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 315 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 316 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 321 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG 193.0, 218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 322 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 211.0 C ------------------------------------------------------------------------------------------------------------------------------------ 323 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 211.0 C ------------------------------------------------------------------------------------------------------------------------------------ 324 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 208.5 C ------------------------------------------------------------------------------------------------------------------------------------ 325 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 213.5 C ------------------------------------------------------------------------------------------------------------------------------------ 326 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 7] Visit: 04 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 411 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG 193.0, 22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 412 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 413 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 414 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 415 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 416 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 421 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG 193.0, 22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 422 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 15.0 C ------------------------------------------------------------------------------------------------------------------------------------ 423 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 15.0 C ------------------------------------------------------------------------------------------------------------------------------------ 424 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 12.5 C ------------------------------------------------------------------------------------------------------------------------------------ 425 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0, 17.5 C ------------------------------------------------------------------------------------------------------------------------------------ 426 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0, 22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 8] Visit: 05 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 511 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG 0.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 512 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 513 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 514 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 515 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 516 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 521 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG 0.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 522 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 0.0 C ------------------------------------------------------------------------------------------------------------------------------------ 523 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 0.0 C ------------------------------------------------------------------------------------------------------------------------------------ 524 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0,-2.5 C ------------------------------------------------------------------------------------------------------------------------------------ 525 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0, 2.5 C ------------------------------------------------------------------------------------------------------------------------------------ 526 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0, 7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 9] Visit: 06 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 611 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG -193.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 612 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 613 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 614 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 615 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 616 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-22.5 C ------------------------------------------------------------------------------------------------------------------------------------ 621 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG -193.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 622 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-15.0 C ------------------------------------------------------------------------------------------------------------------------------------ 623 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-15.0 C ------------------------------------------------------------------------------------------------------------------------------------ 624 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-17.5 C ------------------------------------------------------------------------------------------------------------------------------------ 625 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-12.5 C ------------------------------------------------------------------------------------------------------------------------------------ 626 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-7.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 10] Visit: 07 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen 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 ------------------------------------------------------------------------------------------------------------------------------------ 711 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG -193.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 712 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 713 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 714 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 715 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 716 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-218.5 C ------------------------------------------------------------------------------------------------------------------------------------ 721 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG -193.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 722 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-211.0 C ------------------------------------------------------------------------------------------------------------------------------------ 723 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-211.0 C ------------------------------------------------------------------------------------------------------------------------------------ 724 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-213.5 C ------------------------------------------------------------------------------------------------------------------------------------ 725 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG -193.0,-208.5 C ------------------------------------------------------------------------------------------------------------------------------------ 726 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG -193.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 11] Visit: 08 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 811 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG 0.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 812 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 813 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 814 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 815 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 816 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-203.5 C ------------------------------------------------------------------------------------------------------------------------------------ 821 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG 0.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 822 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-196.0 C ------------------------------------------------------------------------------------------------------------------------------------ 823 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-196.0 C ------------------------------------------------------------------------------------------------------------------------------------ 824 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0,-198.5 C ------------------------------------------------------------------------------------------------------------------------------------ 825 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 0.0,-193.5 C ------------------------------------------------------------------------------------------------------------------------------------ 826 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 0.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 12] Visit: 09 Visit Priority: Visit Requirements: SAME ORIENT AS 01 ON HOLD On Hold Comments: Target coordinates to be updated after ORIENT is chosen. 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 ------------------------------------------------------------------------------------------------------------------------------------ 911 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 8 S POS TARG 193.0,-173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 912 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0,-173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 913 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0,-173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 914 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 915 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 916 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0,-188.5 C ------------------------------------------------------------------------------------------------------------------------------------ 921 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 12 S POS TARG 193.0,-173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 922 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0,-181.0 C ------------------------------------------------------------------------------------------------------------------------------------ 923 NGC5139 ACS/WF ACCUM WFC F625W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0,-181.0 C ------------------------------------------------------------------------------------------------------------------------------------ 924 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0,-183.5 C ------------------------------------------------------------------------------------------------------------------------------------ 925 NGC5139 ACS/WF ACCUM WFC F658N GAIN=2,CR-SPLIT=NO 1 440 S POS TARG 193.0,-178.5 C ------------------------------------------------------------------------------------------------------------------------------------ 926 NGC5139 ACS/WF ACCUM WFC F435W GAIN=2,CR-SPLIT=NO 1 340 S POS TARG 193.0,-173.5 C ------------------------------------------------------------------------------------------------------------------------------------ 9442( 6) - 04/09/02 09:23 - [ 13] Summary Form for Proposal 9442 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters GAIN=2 CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ON HOLD ORIENT 84D TO 84D POS TARG -193.0, 188.5 POS TARG -193.0, 173.5 POS TARG -193.0, 181.0 POS TARG -193.0, 178.5 POS TARG -193.0, 183.5 SAME ORIENT AS 01 ON HOLD POS TARG 0.0, 203.5 POS TARG 0.0, 188.5 POS TARG 0.0, 196.0 POS TARG 0.0, 193.5 POS TARG 0.0, 198.5 POS TARG 193.0, 218.5 POS TARG 193.0, 203.5 POS TARG 193.0, 211.0 POS TARG 193.0, 208.5 POS TARG 193.0, 213.5 POS TARG 193.0, 22.5 POS TARG 193.0, 7.5 POS TARG 193.0, 15.0 POS TARG 193.0, 12.5 POS TARG 193.0, 17.5 POS TARG 0.0, 7.5 POS TARG 0.0,-7.5 POS TARG 0.0, 0.0 POS TARG 0.0,-2.5 POS TARG 0.0, 2.5 POS TARG -193.0,-7.5 POS TARG -193.0,-22.5 POS TARG -193.0,-15.0 POS TARG -193.0,-17.5 POS TARG -193.0,-12.5 POS TARG -193.0,-203.5 POS TARG -193.0,-218.5 POS TARG -193.0,-211.0 POS TARG -193.0,-213.5 POS TARG -193.0,-208.5 POS TARG 0.0,-188.5 POS TARG 0.0,-203.5 POS TARG 0.0,-196.0 POS TARG 0.0,-198.5 POS TARG 0.0,-193.5 POS TARG 193.0,-173.5 POS TARG 193.0,-188.5 POS TARG 193.0,-181.0 POS TARG 193.0,-183.5 POS TARG 193.0,-178.5 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F625W F658N F435W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC5139 ------------------------------------------------------------------------------------------------------------------------------------