10466( 4) - 01/31/06 13:59 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 10466 Version: 4 Check-in Time: 31-Jan-2006 18:58:23 Title The Galactic Bulge Deep Field: A Planetary Transit Survey and Very Deep Stellar Mass Function ------------------------------------------------------------------------------------ Type Cycle Parallel Pointing Tolerance GO 14 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Kailash Sahu Space Telescope Science Institute CoI: Dr. Ronald L. Gilliland Space Telescope Science Institute N CoI: Dr. Howard E. Bond Space Telescope Science Institute N CoI: Dr. Timothy M. Brown University Corporation For Atmospheric N Research CoI: Dr. Stefano Casertano Space Telescope Science Institute N CoI: Dr. Mario Livio Space Telescope Science Institute N CoI: Dr. Dante Minniti Universidad Catolica de Chile N CoI: Dr. Nino Panagia Space Telescope Science Institute - ESA N CoI: Dr. Alvio Renzini European Southern Observatory - Germany N CoI: Dr. R. Michael Rich University of California - Los Angeles N CoI: Dr. Manuela Zoccali European Southern Observatory - Germany N ------------------------------------------------------------------------------------ Abstract We propose to observe a Galactic bulge field continuously with ACS/WFC over a 7-day period. We will monitor ~167, 000 F, G, and K dwarfs down to V=23, in order to detect transits by orbiting Jovian planets. If the frequency of "hot Jupiters" is similar to that in the solar neighborhood, we will detect over 100 planets, more than doubling the number of extrasolar planets known. For the brighter stars with transits, we will confirm the planetary nature of the companions through radial- velocity measurements using the 8-m VLT. We will determine the metallicities of most of the planet-bearing stars as well as a control sample, through follow-up VLT spectroscopy. The metallicities of the target stars range over more than 1.5 dex, allowing for a determination of the dependence of planet frequency upon metallicity- -a crucial element in understanding planet formation. We will be able to discriminate between the equally numerous disk and bulge stars via proper motions. Hence we will determine, for the first time, the frequencies of planets in two entirely different stellar populations. We will also determine for the first time the distribution of planetary radii for extrasolar planets for both these populations. Parallel observations with NICMOS will provide ultra-deep near-infrared images of a nearby bulge field, which will be used to determine the stellar luminosity and mass functions down to the brown-dwarf regime. The data will also be useful for a variety of spinoff projects, including a census of variable stars and of hot white dwarfs in the bulge, and the metallicity distribution of bulge dwarfs. ------------------------------------------------------------------------------------ 10466( 4) - 01/31/06 13:59 - [ 2] Observations Description ------------------------ The proposed observations have the main goal of searching for planetary transit events in bulge and foreground disk stars. In addition, we will obtain extremely deep parallel NICMOS observations of a nearby field, and will use preliminary observations with ACS to select the optimal field for the main observations. PREOBSERVATIONS AND FIELD SELECTION Ground-based observations in the Sagittarius I window are highly confused at the magnitudes of interest ( I ~ 22 ). We have selected five promising ACS-sized regions as candidate fields; in order to make the most of the week-long ACS observations, we will obtain one-orbit observations---split between V and I---in each of the candidate fields in order to select the one with the highest density of usable stars. The preobservations will be taken 3-4 weeks before the actual search observations, and will also test the quality of the guide stars for each prospective field. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 10466( 4) - 01/31/06 13:59 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 BULGE-4 STELLAR CLUSTER, BULGE RA=17H59M0.8000S +/- 0.1", DEC=- J2000 V = 22.0 29D12'0.00" +/- 0.1", PLATE- ID=067O Coordinate Source: GSC_SURVEY_PLATE 10466( 4) - 01/31/06 13:59 - [ 4] Visit: 01 Visit Priority: Visit Requirements: SCHED 30%; ORIENT 270.0D TO 270.0 D; BETWEEN 25-FEB-2006:00:00:00 AND 28- MAR-2006:00:00:00 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 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 20 S POS TARG 0, 0; GSPAIR 0685303968F10685303034F2 ------------------------------------------------------------------------------------------------------------------------------------ 2 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG 0, 0; PAR 3-5 WITH 2 ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 5 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 6 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG 0.025, 0.025; PAR 7-9 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 10 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG -0.025, 0.025; PAR 11-13 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 11 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 13 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 10466( 4) - 01/31/06 13:59 - [ 5] Exposures ----------------------------------------------------------------------------------------------------------------------------------- Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ----------------------------------------------------------------------------------------------------------------------------------- 14 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG 0.025,-0.025; PAR 15-17 WITH 14 ------------------------------------------------------------------------------------------------------------------------------------ 15 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 17 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 18 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG -0.025,-0.025; PAR 19-21 WITH 18 ------------------------------------------------------------------------------------------------------------------------------------ 19 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 21 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 22 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 20 S POS TARG 0, 0 ------------------------------------------------------------------------------------------------------------------------------------ 23 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG 0, 0; PAR 24-26 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12, 1 DEF CUM OFFSET=FOM,FOMYPOS=-0.8 ------------------------------------------------------------------------------------------------------------------------------------ 25 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 27 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG 0.025, 0.025; PAR 28-30 WITH 27 ------------------------------------------------------------------------------------------------------------------------------------ 28 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12, 1 DEF CUM OFFSET=FOM,FOMYPOS=-0.8 ------------------------------------------------------------------------------------------------------------------------------------ 29 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 10466( 4) - 01/31/06 13:59 - [ 6] Exposures ----------------------------------------------------------------------------------------------------------------------------------- Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ----------------------------------------------------------------------------------------------------------------------------------- 30 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 31 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG -0.025, 0.025; PAR 32-34 WITH 31 ------------------------------------------------------------------------------------------------------------------------------------ 32 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12, 1 DEF CUM OFFSET=FOM,FOMYPOS=-0.8 ------------------------------------------------------------------------------------------------------------------------------------ 33 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 34 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 35 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG 0.025,-0.025; PAR 36-38 WITH 35 ------------------------------------------------------------------------------------------------------------------------------------ 36 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12, 1 DEF CUM OFFSET=FOM,FOMYPOS=-0.8 ------------------------------------------------------------------------------------------------------------------------------------ 37 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 38 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 39 BULGE-4 ACS/WFC ACCUM WFCENTER F814W CR-SPLIT=NO,GAIN=2 1 345 S POS TARG -0.025,-0.025; PAR 40-42 WITH 39 ------------------------------------------------------------------------------------------------------------------------------------ 40 ANY NIC2 MULTIAC NIC2 F110W SAMP-SEQ=STEP128,NSAMP=12, 1 DEF CUM OFFSET=FOM,FOMYPOS=-0.8 ------------------------------------------------------------------------------------------------------------------------------------ 41 ANY NIC1 MULTIAC NIC1 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 42 ANY NIC3 MULTIAC NIC3 F110W SAMP-SEQ=STEP128,NSAMP=12 1 DEF CUM ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ BULGE-4 1 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A BULGE-4 2 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A 10466( 4) - 01/31/06 13:59 - [ 7] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 3 NIC2 MULTIAC NIC2 F110W none none none none 1 N/A CUM ANY 4 NIC1 MULTIAC NIC1 F110W none none none none 1 N/A CUM ANY 5 NIC3 MULTIAC NIC3 F110W none none none none 1 N/A CUM BULGE-4 6 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A ANY 7 NIC2 MULTIAC NIC2 F110W none none none none 1 N/A CUM ANY 8 NIC1 MULTIAC NIC1 F110W none none none none 1 N/A CUM ANY 9 NIC3 MULTIAC NIC3 F110W none none none none 1 N/A CUM BULGE-4 10 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A ANY 11 NIC2 MULTIAC NIC2 F110W none none none none 1 N/A CUM ANY 12 NIC1 MULTIAC NIC1 F110W none none none none 1 N/A CUM ANY 13 NIC3 MULTIAC NIC3 F110W none none none none 1 N/A CUM BULGE-4 14 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A ANY 15 NIC2 MULTIAC NIC2 F110W none none none none 1 N/A CUM ANY 16 NIC1 MULTIAC NIC1 F110W none none none none 1 N/A CUM ANY 17 NIC3 MULTIAC NIC3 F110W none none none none 1 N/A CUM BULGE-4 18 ACS/WFC ACCUM WFCENTER F814W none none none none 1 N/A ANY 19 NIC2 MULTIAC NIC2 F110W none none none none 1 N/A CUM ANY 20 NIC1 MULTIAC NIC1 F110W none none none none 1 N/A CUM ANY 21 NIC3 MULTIAC NIC3 F110W none none none none 1 N/A CUM BULGE-4 22 ACS/WFC ACCUM WFCENTER F814W none none none none 2 N/A BULGE-4 23 ACS/WFC ACCUM WFCENTER F814W none none none none 2 N/A ANY 24 NIC2 MULTIAC NIC2 F110W none none none none 2 N/A CUM ANY 25 NIC1 MULTIAC NIC1 F110W none none none none 2 N/A CUM ANY 26 NIC3 MULTIAC NIC3 F110W none none none none 2 N/A CUM BULGE-4 27 ACS/WFC ACCUM WFCENTER F814W none none none none 2 N/A ANY 28 NIC2 MULTIAC NIC2 F110W none none none none 2 N/A CUM ANY 29 NIC1 MULTIAC NIC1 F110W none none none none 2 N/A CUM ANY 30 NIC3 MULTIAC NIC3 F110W none none none none 2 N/A CUM 10466( 4) - 01/31/06 13:59 - [ 8] 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 | ------------------------------------------------------------------------------------------------------------------------------------ BULGE-4 31 ACS/WFC ACCUM WFCENTER F814W none none none none 2 N/A ANY 32 NIC2 MULTIAC NIC2 F110W none none none none 2 N/A CUM ANY 33 NIC1 MULTIAC NIC1 F110W none none none none 2 N/A CUM ANY 34 NIC3 MULTIAC NIC3 F110W none none none none 2 N/A CUM BULGE-4 35 ACS/WFC ACCUM WFCENTER F814W none none none none 2 N/A ANY 36 NIC2 MULTIAC NIC2 F110W none none none none 2 N/A CUM ANY 37 NIC1 MULTIAC NIC1 F110W none none none none 2 N/A CUM ANY 38 NIC3 MULTIAC NIC3 F110W none none none none 2 N/A CUM BULGE-4 39 ACS/WFC ACCUM WFCENTER F814W none none none none 2 N/A ANY 40 NIC2 MULTIAC NIC2 F110W none none none none 2 N/A CUM ANY 41 NIC1 MULTIAC NIC1 F110W none none none none 2 N/A CUM ANY 42 NIC3 MULTIAC NIC3 F110W none none none none 2 N/A CUM 10466( 4) - 01/31/06 13:59 - [ 9] Summary Form for Proposal 10466 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFCENTER NIC2 NIC1 NIC3 ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC NIC2 NIC1 NIC3 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO GAIN=2 SAMP-SEQ=STEP128 NSAMP=12 OFFSET=FOM FOMYPOS=-0.8 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements SCHED 30%; ORIENT 270.0D TO 270.0 D; BETWEEN 25-FEB-2006 00 00 00 AND 28-MAR-2006 00 00 00; POS TARG 0, 0; GSPAIR 0685303968F10685303034F2; PAR 3-5 WITH 2; POS TARG 0.025, 0.025; PAR 7-9 WITH 6; POS TARG -0.025, 0.025; PAR 11-13 WITH 10; POS TARG 0.025,-0.025; PAR 15-17 WITH 14; POS TARG -0.025,-0.025; PAR 19-21 WITH 18; PAR 24-26 WITH 23; PAR 28-30 WITH 27; PAR 32-34 WITH 31; PAR 36-38 WITH 35; PAR 40-42 WITH 39; ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F814W F110W ------------------------------------------------------------------------------------------------------------------------------------ Target Names BULGE-4 ANY ------------------------------------------------------------------------------------------------------------------------------------