8576( 3) - 07/24/00 16:52 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 8576 Version: 3 Check-in Date: 02-Mar-2000 15:03:24 1.Proposal Title: The Star-Formation History of the Large Magellanic Cloud ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle GO 9 ------------------------------------------------------------------------------------ 4. Investigators Contact? PI: Tammy Smecker-Hane University of California - Irvine CoI: Dr. Eline Tolstoy Space Telescope - European Coordinating N Facility CoI: Prof. John (Jay) Gallagher III University of Wisconsin-Madison N CoI: Dr. Andrew Cole University of Massachuesettes N CoI: Dr. Peter B. Stetson Herzberg Institute of N Astrophysics/National Research Council CoI: Prof. Linda Sparke University of Wisconsin-Madison N ------------------------------------------------------------------------------------ 5. Abstract Accurately determining the star-formation rate (SFR) and chemical evolution of the Large Magellanic Cloud (LMC) can give us a solid foundation for understanding the evolution of intermediate-mass galaxies and, potentially, the origin of "faint blue galaxies" commonly found in redshift surveys. We propose to continue our WFPC2 imaging survey of field stars in the LMC to obtain color-magnitude diagrams (CMDs) that allow us to determine its SFR from 1 to 15 Gyr ago with unprecedented accuracy. Our goal is to measure 20 percent changes in the SFR, averaged over 1 Gyr intervals, at the 2 sigma level in each region surveyed. We imaged one region at the center of the bar and one region in the disk in Cycle 7, and the resulting CMDs revealed clear differences in their evolution. We now propose to image a third region, in the bar- disk interface, to begin to quantify the evolution of the bar, disk, and halo of the LMC, and to define the spatial extent of star bursts. Our project has generated the best CMDs ever obtained for a galaxy other than the Milky Way. To derive the SFRs, we compare observed and model CMDs using statistically rigorous techniques that we have pioneered, and to surmount the age-metallicity degeneracy inherent in CMDs, we have begun an ambitious project to directly measure stellar abundances by obtaining spectra with ground-based telescopes of approximately 100 red giant stars in each LMC region. In addition, parallel observations with STIS will reach the lower main- sequence stars to M_V = 10. Complete samples of low mass dwarfs with masses greater or equal to 0.5 solar mass will provide high quality information on the time- averaged stellar initial mass function. The densities of these stars in and towards the LMC also test models of gravitational micro-lensing events. ------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 2] Observations Description ------------------------ We will image field stars in the LMC with WFPC2 in F555W and F814W filters and, in parallel, with STIS in 50CCD and F28X50LP filters. The goal of the WFPC2 imaging is to produce calibrated VI-band CMDs that contain 10, 000 or more stars from the oldest main-sequence turnoff to the base of the red giant branch (20.5 <= V <= 22.5). To do so, we must mosaic 6 WFPC2 pointings in the LMC- DISK2 field. The required exposure times are set by the need to obtain precise photometry so that, by modeling the distribution of stars in the CMD, we can determine the star-formation history of the LMC. Our photometric goal is to obtain (V-I) colors with random photometric errors of 0.03 mag at V=23. As demonstrated in our Cycle 7 project, we can reach this goal using 2 orbits per pointing, integrating for 2000 sec in each filter, and dithering as many times as possible to increase photometric precision. We need the increased dynamic range of ATD-GAIN=15 to have the brightest possible saturation limit (V = 18.5, which is 0.5 mag brighter than the clump horizontal branch in the LMC) while going as faint as possible (S/N=10 at V=25.5). Dithering as many times as possible while remaining inside the 2 orbit/pointing constraint is crucial since we want to overcome the undersampling of the WF point-spread-functions, high density of cosmic rays and hot pixels, flat-fielding errors etc. In parallel with the WPFC2 F555W observations, we will do STIS imaging with the clear filter (50CCD) that allows us to reach V = 27.5 for red dwarfs on the lower main sequence. Color information -- useful for calibrating the clear data -- will be obtained by using the long pass STIS filter (F28X50LP) in 3 of our F814W pointings; we prefer these for filtered observations because the exposures are longer. Approximate colors will be measured for a sample of main sequence stars and then statistically applied to our larger STIS data set. In the remaining 3 F814W exposures we will use the clear filter to go deeper, and in these fields will reach V = 28 with no color information. The parallels will yield the deepest luminosity function yet obtained for the LMC. We will mosaic a strip that is one WFPC2 field wide and 6 WFPC2 fields long oriented approximately along the minor axis of the LMC bar (PA=30 deg). Each visit lists the exposures for a single WFPC2 pointing, and each visit has a main POS TARG that is a multiple of (80", 80"), the offset needed to move the (800, 800) cornor of WF3 to a previous (100, 100) position of the PC. In addition, smaller offsets around the main POS TARG position are added to dither and get 6 independent sampling positions at each WFPC2 pointing. The dither pattern is a hexigon with vertices separated by 5.75 WF pixels. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 LMC-DISK2 EXT-STAR, G V-IV, RA=5H 01M 51.00S +/- 0.1", DEC=- J2000 V = 23.0+/-2.0 GALAXY, MAGELLANIC 68D 38' 00.00" +/- 0.1" I = 22.2+/-2.0 IRREGULAR TYPE=GV Coordinate Source: OTHER_SOURCE 8576( 3) - 07/24/00 16:52 - [ 4] Visit: 01 Visit Priority: Visit Requirements: ORIENT 5.0D TO 45.0D On Hold Comments: Additional Comments: The range of ORIENT angles is chosen to mosaic fields with WFPC2 imaging in a direction approximately along the minor axis of the LMC bar (PA = 30D) while avoiding star clusters and excessively bright stars. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S PAR 20 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 20 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 30 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -0.143, 0.248 PAR 40 WITH 30 ------------------------------------------------------------------------------------------------------------------------------------ 40 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 50 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -0.429, 0.248 PAR 70-80 WITH 50-60 ------------------------------------------------------------------------------------------------------------------------------------ 60 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -0.429, 0.248 ------------------------------------------------------------------------------------------------------------------------------------ 70 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 80 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 90 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -0.572, -0.000 PAR 100 WITH 90 ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 110 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -0.429, -0.248 PAR 120 WITH 110 ------------------------------------------------------------------------------------------------------------------------------------ 120 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 130 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -0.143, -0.248 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ 140 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 5] Visit: 02 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: POS TARG chosen to mosaic fields and will take designated TARGET outside of WF3 aperture. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -80.0, -80.0 PAR 20 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 20 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 30 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -80.143, -79.752 PAR 40 WITH 30 ------------------------------------------------------------------------------------------------------------------------------------ 40 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 50 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -80.429, -79.752 PAR 70-80 WITH 50-60 ------------------------------------------------------------------------------------------------------------------------------------ 60 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -80.429, -79.752 ------------------------------------------------------------------------------------------------------------------------------------ 70 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 80 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 90 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -80.572, -80.0 PAR 100 WITH 90 ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 110 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -80.429, -80.248 PAR 120 WITH 110 ------------------------------------------------------------------------------------------------------------------------------------ 120 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 130 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -80.143,-80.248 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ 140 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 6] Visit: 03 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: POS TARG chosen to mosaic fields and will take designated TARGET outside of WF3 aperture. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -160.0, -160.0 PAR 20 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 20 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 30 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -160.143, -159.752 PAR 40 WITH 30 ------------------------------------------------------------------------------------------------------------------------------------ 40 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 50 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -160.429, -159.752 PAR 70-80 WITH 50-60 ------------------------------------------------------------------------------------------------------------------------------------ 60 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG -160.429, -159.752 ------------------------------------------------------------------------------------------------------------------------------------ 70 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 80 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 90 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -160.572, -160.0 PAR 100 WITH 90 ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 110 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -160.429, -160.248 PAR 120 WITH 110 ------------------------------------------------------------------------------------------------------------------------------------ 120 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 130 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG -160.143, -160.248 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ 140 LMC-DISK2 STIS/C ACCUM F28X50L MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD P ------------------------------------------------------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 7] Visit: 04 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: POS TARG chosen to mosaic fields and will take designated TARGET outside of WF3 aperture. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 80.0, 80.0 PAR 20 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 20 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 30 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 79.857, 80.248 PAR 40 WITH 30 ------------------------------------------------------------------------------------------------------------------------------------ 40 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 50 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 79.571, 80.248 PAR 70-80 WITH 50-60 ------------------------------------------------------------------------------------------------------------------------------------ 60 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 79.571, 80.248 ------------------------------------------------------------------------------------------------------------------------------------ 70 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 80 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 90 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 79.428, 80.0 PAR 100 WITH 90 ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 110 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 79.571, 79.752 PAR 120 WITH 110 ------------------------------------------------------------------------------------------------------------------------------------ 120 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 130 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 79.857, 79.752 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ 140 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 8] Visit: 05 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: POS TARG chosen to mosaic fields and will take designated TARGET outside of WF3 aperture. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 160.0, 160.0 PAR 20 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 20 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 30 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 159.857, 160.248 PAR 40 WITH 30 ------------------------------------------------------------------------------------------------------------------------------------ 40 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 50 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 159.571, 160.248 PAR 70-80 WITH 50-60 ------------------------------------------------------------------------------------------------------------------------------------ 60 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 159.571, 160.248 ------------------------------------------------------------------------------------------------------------------------------------ 70 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 80 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 90 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 159.428, 160.0 PAR 100 WITH 90 ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 110 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 159.571, 159.752 PAR 120 WITH 110 ------------------------------------------------------------------------------------------------------------------------------------ 120 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 130 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 159.857, 159.752 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ 140 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 9] Visit: 06 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: POS TARG chosen to mosaic fields and will take designated TARGET outside of WF3 aperture. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exposure| Target |Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Number | Name |Config| Mode |or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 10 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 240.0, 240.0 PAR 20 WITH 10 ------------------------------------------------------------------------------------------------------------------------------------ 20 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 30 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 239.857, 240.248 PAR 40 WITH 30 ------------------------------------------------------------------------------------------------------------------------------------ 40 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 700 S CD ------------------------------------------------------------------------------------------------------------------------------------ 50 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 239.571, 240.248 PAR 70-80 WITH 50-60 ------------------------------------------------------------------------------------------------------------------------------------ 60 LMC-DISK2 WFPC2 IMAGE WF3 F555W ATD-GAIN=15 1 500 S POS TARG 239.571, 240.248 ------------------------------------------------------------------------------------------------------------------------------------ 70 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 80 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 600 S CD ------------------------------------------------------------------------------------------------------------------------------------ 90 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 239.428, 240.0 PAR 100 WITH 90 ------------------------------------------------------------------------------------------------------------------------------------ 100 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 110 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 239.571, 239.752 PAR 120 WITH 110 ------------------------------------------------------------------------------------------------------------------------------------ 120 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 130 LMC-DISK2 WFPC2 IMAGE WF3 F814W ATD-GAIN=15,CR-SPLIT=NO 1 700 S POS TARG 239.857, 239.752 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ 140 LMC-DISK2 STIS/C ACCUM 50CCD MIRROR GAIN=1,CR-SPLIT=NO 1 900 S CD ------------------------------------------------------------------------------------------------------------------------------------ 8576( 3) - 07/24/00 16:52 - [ 10] Summary Form for Proposal 8576 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WF3 50CCD F28X50LP ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFPC2 STIS/CCD ------------------------------------------------------------------------------------------------------------------------------------ Opmodes IMAGE ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ATD-GAIN=15 CR-SPLIT=NO GAIN=1 ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 5.0D TO 45.0D PAR 20 WITH 10 POS TARG -0.143, 0.248 PAR 40 WITH 30 POS TARG -0.429, 0.248 PAR 70-80 WITH 50-60 POS TARG -0.429, 0.248 POS TARG -0.572, -0.000 PAR 100 WITH 90 POS TARG -0.429, -0.248 PAR 120 WITH 110 POS TARG -0.143, -0.248 PAR 140 WITH 130 SAME ORIENT AS 01 POS TARG -80.0, -80.0 PAR 20 WITH 10 POS TARG -80.143, -79.752 PAR 40 WITH 30 POS TARG -80.429, -79.752 PAR 70-80 WITH 50-60 POS TARG -80.429, -79.752 POS TARG -80.572, -80.0 PAR 100 WITH 90 POS TARG -80.429, -80.248 PAR 120 WITH 110 POS TARG -80.143,-80.248 PAR 140 WITH 130 POS TARG -160.0, -160.0 PAR 20 WITH 10 POS TARG -160.143, -159.752 PAR 40 WITH 30 POS TARG -160.429, -159.752 PAR 70-80 WITH 50-60 POS TARG -160.429, -159.752 POS TARG -160.572, -160.0 PAR 100 WITH 90 POS TARG -160.429, -160.248 PAR 120 WITH 110 POS TARG -160.143, -160.248 PAR 140 WITH 130 POS TARG 80.0, 80.0 PAR 20 WITH 10 POS TARG 79.857, 80.248 PAR 40 WITH 30 POS TARG 79.571, 80.248 PAR 70-80 WITH 50-60 POS TARG 79.571, 80.248 POS TARG 79.428, 80.0 PAR 100 WITH 90 POS TARG 79.571, 79.752 PAR 120 WITH 110 POS TARG 79.857, 79.752 PAR 140 WITH 130 POS TARG 160.0, 160.0 PAR 20 WITH 10 POS TARG 159.857, 160.248 PAR 40 WITH 30 POS TARG 159.571, 160.248 PAR 70-80 WITH 50-60 POS TARG 159.571, 160.248 POS TARG 159.428, 160.0 PAR 100 WITH 90 POS TARG 159.571, 159.752 PAR 120 WITH 110 POS TARG 159.857, 159.752 PAR 140 WITH 130 POS TARG 240.0, 240.0 PAR 20 WITH 10 POS TARG 239.857, 240.248 PAR 40 WITH 30 POS TARG 239.571, 240.248 PAR 70-80 WITH 50-60 POS TARG 239.571, 240.248 POS TARG 239.428, 240.0 PAR 100 WITH 90 POS TARG 239.571, 239.752 PAR 120 WITH 110 POS TARG 239.857, 239.752 PAR 140 WITH 130 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F555W MIRROR F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names LMC-DISK2 ------------------------------------------------------------------------------------------------------------------------------------