12254( 2) - 06-Jul-2010 12:42:14 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 12254 Version: 2 Check-in Time: 06-Jul-2010 12:42:14 STScI Edit Number: 0 Title Helium-core White Dwarfs and Cataclysmic Variables in NGC 6752: New Clues to the Dynamical Evolution of Globular Clusters ------------------------------------------------------------------------------------ Type Cycle GO 18 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Adrienne Cool San Francisco State University CoI: Mr. Carlos Hernandez San Francisco State University N CoI: Ms. Rachel Strickler University of California - Santa Cruz N CoI: Dr. Jay Anderson Space Telescope Science Institute N CoI: Dr. Craig Heinke University of Alberta N CoI: Dr. Haldan N. Cohn Indiana University System N CoI: Dr. Phyllis M. Lugger Indiana University System N CoI: Dr. Aldo Serenelli Max-Planck-Institut fur Aeronomie N ------------------------------------------------------------------------------------ Abstract We propose to search for binary stars containing white dwarfs in the post-core-collapse globular cluster NGC 6752 whose unusual dynamical status has yet to be fully explained. Using F435W, F625W and F658N filters with ACS/WFC, our search will be sensitive to double-degenerate binaries of the type we have recently uncovered in NGC 6397, which contain helium-core white dwarfs (WDs) paired with probable heavy carbon-oxygen WDs. We will use He WDs found in NGC 6752 to set new constraints on binary populations in the cluster and, by comparing them to those in NGC 6397, illuminate the role of binaries in the dynamical history of both clusters. The proposed H-alpha imaging will also enable us to search for optical counterparts of numerous as-yet unidentified X-ray sources in our deep Chandra imaging; these are likely to be a mixture of cataclysmic variables (CVs), active binaries, and millisecond pulsars. We will determine whether NGC 6752 harbors a class of very faint CVs as have been recently found in the field and in NGC 6397. Those in NGC 6397 have been interpreted as an old population that formed near the cluster center and migrated outward as it aged, in contrast to the bright young CVs that reside close to the center. We will test for a similar pattern of spatial distribution with CV magnitude in NGC 6752. ------------------------------------------------------------------------------------ Observations Description ------------------------ This program uses ACS/WFC as the primary SI to observe the central regions of the globular cluster NGC 6752. WFC3/UVIS is used in parallel to obtain images of six different fields in the outer regions of the cluster. We have divided the 12-oribt program into six 2-orbit visits, each at a different ORIENT, in order to align the parallels with archival data (so that proper motions, required for our science goals, can be measured). Within each 2-orbit visit, the WFC exposures consist of 1 short (10s) and 2 long (360s) exposures in F625W, 1 short (10s) and 2 long (380s) exposures in F435W, and 4 long (724-820s) exposures in F658N. The exposure times for the shorts in the broad-band filters are chosen to minimize saturation of HB and 12254( 2) - 06-Jul-2010 12:42:14 - [ 2] RGB stars while providing S/N>~100 for stars that just saturate in the long exposures. Within each 2-orbit visit, the UVIS exposures consist of 4 long exposures in F625W and 4 long exposures in F438W. We have packed exposures into the orbits in such a way as to make the sets of exposures with a given filter as close to equal in length as possible. Constraints resulting from varying overheads, buffer dumps, etc, are such that the match is good to about 15%. We use the WFCENTER aperture in order to obtain the best possible overlap between WFC images that will be taken at the six different ORIENTs. For the first orbit of each visit, POSTARG values are chosen so that the cluster core (radius ~ 10") will lie entirely on WFC1 (Y shift of -9"). In the second orbit, we place the entire core on the other side of the chip gap (on WFC2) using a Y shift of +13.5". Within each orbit, we use two dither positions. The second is offset from the first by (dx, dy) = (3.5, 4.5) WFC pixels. The resulting shift in the parallel exposures will be (dx, dy) = (1.42, -7.37) according to our calculations. This will provide the best possible sampling of the PSF in WFC and reasonably good sampling in UVIS as well. We found this to be the best combination that involved shifts of at least 1.5 and no more than 4.5 WFC pixels. Our science goals require that the parallel exposures coincide with existing archival data. This requirement is the primary driver for the choices of ORIENTs for the six visits. A secondary consideration is that we want the diffraction spikes to appear at different angles in each visit (offsets >8-10 degrees) in order to maximize the number of stars that we can measure well in the complete dataset. In choosing ORIENT ranges for each visit we have carefully considered these factors as well as the degree to which widening the range increases the number of days in which the visit is schedulable. Results are shown below: visit field ORIENT days 1 A 314-317 9 2 B 284 14 3 E 111-118 4 4 F 78-80 21 5 G 55 36 6 H 36 20 We note that the optimum ORIENT for field E (118D) results in 0 schedulable days. We have extended the range in the one direction that increases schedulability according to APT, by as far as we could without excessive loss of overlap with archival data. Real Time Justification ----------------------- Calibration Justification ------------------------- 12254( 2) - 06-Jul-2010 12:42:14 - [ 3] Additional Comments ------------------- ------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 4] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 STELLAR CLUSTER, RA=19H10M52.0500S +/- 0.5", J2000 V = 6.28 GLOBULAR CLUSTER DEC=-59D59'4.60" +/- 0.5" Reference Frame: ICRS Comments: Center coordinate as determined by Ryan Gosbury from Sarajedini ACS images. Agrees well with Ferraro et al. 2003 from WFPC2 images and Harris catalog. ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 5] Visit: 01 Visit Requirements: ORIENT 314D TO 317 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 10 S POS TARG 0, 13.5; PAR 4-5 WITH 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 743 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0.1729, 13.7363; PAR 8-9 WITH 6-7 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 732 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 569 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 10 S POS TARG 0, -9; PAR 13-14 WITH 10-12 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 790 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0.1729, -8.7637; PAR 17-18 WITH 15-16 ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, -8.7637 ------------------------------------------------------------------------------------------------------------------------------------ 17 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 737 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6752 1 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 2 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 4 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 5 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 6 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-6752 8 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 9 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 10 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 11 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 12 ACS/WFC ACCUM WFCENTER F625W none none none none 2 N/A NGC-6752 13 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER NGC-6752 14 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 15 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 16 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 17 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 18 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER 12254( 2) - 06-Jul-2010 12:42:14 - [ 7] Visit: 02 Visit Requirements: ORIENT 284D TO 284 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 10 S POS TARG 0, 13.5; PAR 4-5 WITH 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 743 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0.1729, 13.7363; PAR 8-9 WITH 6-7 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 732 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 569 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 10 S POS TARG 0, -9; PAR 13-14 WITH 10-12 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 790 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0.1729, -8.7637; PAR 17-18 WITH 15-16 ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 8] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, -8.7637 ------------------------------------------------------------------------------------------------------------------------------------ 17 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 737 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6752 1 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 2 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 4 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 5 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 6 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-6752 8 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 9 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 10 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 11 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 12 ACS/WFC ACCUM WFCENTER F625W none none none none 2 N/A NGC-6752 13 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER NGC-6752 14 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 15 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 16 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 17 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 18 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER 12254( 2) - 06-Jul-2010 12:42:14 - [ 9] Visit: 03 Visit Requirements: ORIENT 111D TO 118 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 10 S POS TARG 0, 13.5; PAR 4-5 WITH 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 743 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0.1729, 13.7363; PAR 8-9 WITH 6-7 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 732 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 569 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 10 S POS TARG 0, -9; PAR 13-14 WITH 10-12 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 790 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0.1729, -8.7637; PAR 17-18 WITH 15-16 ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 10] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, -8.7637 ------------------------------------------------------------------------------------------------------------------------------------ 17 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 737 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6752 1 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 2 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 4 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 5 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 6 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-6752 8 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 9 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 10 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 11 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 12 ACS/WFC ACCUM WFCENTER F625W none none none none 2 N/A NGC-6752 13 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER NGC-6752 14 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 15 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 16 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 17 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 18 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER 12254( 2) - 06-Jul-2010 12:42:14 - [ 11] Visit: 04 Visit Requirements: ORIENT 78D TO 80 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 10 S POS TARG 0, 13.5; PAR 4-5 WITH 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 743 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0.1729, 13.7363; PAR 8-9 WITH 6-7 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 732 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 569 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 10 S POS TARG 0, -9; PAR 13-14 WITH 10-12 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 790 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0.1729, -8.7637; PAR 17-18 WITH 15-16 ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 12] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, -8.7637 ------------------------------------------------------------------------------------------------------------------------------------ 17 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 737 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6752 1 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 2 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 4 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 5 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 6 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-6752 8 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 9 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 10 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 11 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 12 ACS/WFC ACCUM WFCENTER F625W none none none none 2 N/A NGC-6752 13 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER NGC-6752 14 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 15 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 16 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 17 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 18 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER 12254( 2) - 06-Jul-2010 12:42:14 - [ 13] Visit: 05 Visit Requirements: ORIENT 55D TO 55 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 10 S POS TARG 0, 13.5; PAR 4-5 WITH 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 743 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0.1729, 13.7363; PAR 8-9 WITH 6-7 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 732 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 569 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 10 S POS TARG 0, -9; PAR 13-14 WITH 10-12 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 790 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0.1729, -8.7637; PAR 17-18 WITH 15-16 ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 14] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, -8.7637 ------------------------------------------------------------------------------------------------------------------------------------ 17 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 737 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6752 1 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 2 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 4 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 5 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 6 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-6752 8 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 9 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 10 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 11 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 12 ACS/WFC ACCUM WFCENTER F625W none none none none 2 N/A NGC-6752 13 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER NGC-6752 14 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 15 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 16 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 17 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 18 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER 12254( 2) - 06-Jul-2010 12:42:14 - [ 15] Visit: 06 Visit Requirements: ORIENT 36D TO 36 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 10 S POS TARG 0, 13.5; PAR 4-5 WITH 1-3 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, 13.5 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 743 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 724 S POS TARG 0.1729, 13.7363; PAR 8-9 WITH 6-7 ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 732 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 569 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 10 S POS TARG 0, -9; PAR 13-14 WITH 10-12 ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC-6752 ACS/WFC ACCUM WFCENTER F625W CR-SPLIT=NO 1 360 S POS TARG 0, -9 ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 790 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC-6752 ACS/WFC ACCUM WFCENTER F658N CR-SPLIT=NO 1 820 S POS TARG 0.1729, -8.7637; PAR 17-18 WITH 15-16 ------------------------------------------------------------------------------------------------------------------------------------ 12254( 2) - 06-Jul-2010 12:42:14 - [ 16] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 16 NGC-6752 ACS/WFC ACCUM WFCENTER F435W CR-SPLIT=NO 1 380 S POS TARG 0.1729, -8.7637 ------------------------------------------------------------------------------------------------------------------------------------ 17 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F438W CR-SPLIT=NO 1 737 S S ER ------------------------------------------------------------------------------------------------------------------------------------ 18 NGC-6752 WFC3/UVI ACCUM UVIS-CENT F625W CR-SPLIT=NO 1 660 S S ER ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ NGC-6752 1 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 2 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 3 ACS/WFC ACCUM WFCENTER F625W none none none none 1 N/A NGC-6752 4 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 5 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 6 ACS/WFC ACCUM WFCENTER F658N none none none none 1 N/A NGC-6752 7 ACS/WFC ACCUM WFCENTER F435W none none none none 1 N/A NGC-6752 8 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A S TER NGC-6752 9 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 1 N/A S TER NGC-6752 10 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 11 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 12 ACS/WFC ACCUM WFCENTER F625W none none none none 2 N/A NGC-6752 13 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER NGC-6752 14 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 15 ACS/WFC ACCUM WFCENTER F658N none none none none 2 N/A NGC-6752 16 ACS/WFC ACCUM WFCENTER F435W none none none none 2 N/A NGC-6752 17 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A S TER NGC-6752 18 WFC3/UVI ACCUM UVIS-CEN F625W none none none none 2 N/A S TER 12254( 2) - 06-Jul-2010 12:42:14 - [ 17] Summary Form for Proposal 12254 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER, WFCENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 111D TO 118 D, ORIENT 284D TO 284 D, ORIENT 314D TO 317 D, ORIENT 36D TO 36 D, ORIENT 55D TO 55 D, ORIENT 78D TO 80 D, PAR 13-14 WITH 10-12, PAR 17-18 WITH 15-16, PAR 4-5 WITH 1-3, PAR 8-9 WITH 6-7, POS TARG 0, -9, POS TARG 0, 13.5, POS TARG 0.1729, -8.7637, POS TARG 0.1729, 13.7363 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F435W, F438W, F625W, F658N ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC-6752 ------------------------------------------------------------------------------------------------------------------------------------