10492( 2) - 05/10/05 13:52 - [ 1] PROPOSAL FOR HUBBLE SPACE TELESCOPE OBSERVATIONS ST ScI Use Only ID: 10492 Version: 2 Check-in Date: 10-May-2005 17:50:55 1.Proposal Title: A detailed study of the mass properties for the galaxy cluster RX J1347-1145 ------------------------------------------------------------------------------------ 2. Proposal For 3. Cycle 4. Parallel Pointing Tolerance GO 14 ------------------------------------------------------------------------------------ 5. Investigators Contact? PI: Dr. Thomas Erben Universitaet Bonn, Inst fur Astrophysik und Extraterrestris CoI: Dr. Marusa Bradac Stanford University N CoI: Prof. Sabine Schindler Universitat Innsbruck, Institut fur N Astronomie CoI: Prof. Peter Schneider Universitaet Bonn, Inst fur Astrophysik N und Extraterrestris CoI: Dr. Marco Lombardi European Southern Observatory - Germany N CoI: Mr. Hendrik Hildebrandt Universitaet Bonn, Inst fur Astrophysik N und Extraterrestris CoI: Prof. Roger D. Blandford Stanford University N CoI: Mr. Tim Schrabback Universitaet Bonn, Inst fur Astrophysik N und Extraterrestris CoI: Ms. Anja von der Linden Max-Planck-Institut fur Astrophysik N ------------------------------------------------------------------------------------ 6. Abstract We propose to obtain deep, multi-colour imaging for the galaxy cluster RX J1347-1145 at z=0.45. Together with our high-quality ground-based optical and X-ray data sets already at hand this observation will produce a precise mass determination of this most X-ray luminous cluster. The analysis will mainly be carried out by a newly developed and novel technique that combines weak and strong lensing information and which is able to break the mass-sheet degeneracy that hampered most previous lensing mass determinations. Within our extensive campaign to understand the mass properties of RX J1347-1145, the main goal of the ACS images will be a refined, high-resolution lensing mass reconstruction of the cluster core. This will be achieved by a substantially increased number density of background sources for a weak lensing analysis in combination with constraints from multiply lensed images that are identified with morphology and colour information. Both of these require the unique resolving power of ACS. RX J1347-1145 is an ideal candidate for elucidating the discrepant mass estimates obtained from traditional methods. It plays the same role at high redshift as A1689 at intermediate redshifts for which a similar analysis has been performed with ACS. Our results will therefore be an important ingredient in the use of galaxy clusters as cosmological probes. ------------------------------------------------------------------------------------ 10492( 2) - 05/10/05 13:52 - [ 2] Observations Description ------------------------ This is an imaging program of the high-redshift (z=0.45) galaxy cluster RXJ1347-1145 with ACS/WFC in three sloan broad-band filters (g, i and z). Our scientific objectives are weak and strong gravitational lensing studies requiring high S/N measurements of faint background sources and a high resolution for morphological studies of lensed arc systems. Each filter will be observed for a total integration time of 3 orbits. Each orbit is split in 4 exposures a 440s with a dither pattern large enough to close the ACS interchip gap. Our actual dither pattern for the three orbits is a combination of two proposed ACS dither line patterns. Each orbit takes 4 exposures of the ACS-WFC- DITHER-LINE pattern which is slightly shifted in consecutive orbits. The short exposure times are chosen to have enough images for correcting image defects (such as hot pixels or cosmic rays), to increase the pixel resolution with the drizzle technique and to avoid saturation effects from a 12th magnitude (R- band) star within our field-of-view. In addition, we do not loose a significant fraction of our observing time if an image cannot be used because of extreme jittering in the 2-Gyro mode (our weak-lensing studies strongly depend on a clean ACS PSF). As we have 12 images per pointing and filter we observe with CR-SPLIT=NO. In each orbit we take, in parallel, one 300sec. WFPC2 exposure in the broad-band R (F702W) filter which does not conflict with our primary observations. The three orbits belonging to one filter define an HST visit and we need the whole campaign taken with the same, but not with a predefined, position angle. For a high S/N weak lensing mass map and the search for multiple image systems we need the highest depth reachable within the given observing time. Hence we require the LOW-SKY special requirement for the whole program. Real Time Justification ----------------------- Calibration Justification ------------------------- Additional Comments ------------------- ------------------------------------------------------------------------------------ 10492( 2) - 05/10/05 13:52 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 LCDCS-0829 CLUSTER OF GALAXIES, RA=13H47M32.0000S +/- 0.1", J2000 Z = 0.45 V = 22.0 RICH CLUSTER, DEC=-11D45'10.00" +/- 0.1" GRAVITATIONAL LENS, HIGH REDSHIFT CLUSTER Coordinate Source: IMAGE_TIED_TO_GSC_FRAME Comments: The coordinates were extracted from a ground-based image tied to the USNO-A2 catalog. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000.0 0.0 0.0 0.0 10492( 2) - 05/10/05 13:52 - [ 4] Visit: 01 Visit Priority: Visit Requirements: On Hold Comments: Additional Comments: Visit to perform three ACS/WFC orbits of z-band (F850LP) observations for RXJ1347-1145 Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S LOW-SKY; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFPC2 IMAGE WFALL-FIX F702W CLOCKS=YES,CR-SPLIT=NO 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 3 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.247, 2.984; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 4 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.494, 5.968; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 5 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.741, 8.952; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 6 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.115, 0.125; LOW-SKY; PAR 7 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY WFPC2 IMAGE WFALL-FIX F702W CR-SPLIT=NO,CLOCKS=YES 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 8 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.362, 3.109; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 9 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.609, 6.093; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 10 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.856, 9.077; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 11 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.231, 0.249; LOW-SKY; PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFPC2 IMAGE WFALL-FIX F702W CLOCKS=YES,CR-SPLIT=NO 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 13 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.478, 3.233; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 14 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.725, 6.217; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 10492( 2) - 05/10/05 13:52 - [ 5] Exposures ----------------------------------------------------------------------------------------------------------------------------------- Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ----------------------------------------------------------------------------------------------------------------------------------- 15 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F850LP CR-SPLIT=NO 1 440 S POS TARG 0.972, 9.201; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ LCDCS-0829 1 ACS/WFC ACCUM WFC-FIX F850LP none none none none 1 N/A ANY 2 WFPC2 IMAGE WFALL-FI F702W none none none none 1 N/A X LCDCS-0829 3 ACS/WFC ACCUM WFC-FIX F850LP none none none none 1 N/A LCDCS-0829 4 ACS/WFC ACCUM WFC-FIX F850LP none none none none 1 N/A LCDCS-0829 5 ACS/WFC ACCUM WFC-FIX F850LP none none none none 1 N/A LCDCS-0829 6 ACS/WFC ACCUM WFC-FIX F850LP none none none none 2 N/A ANY 7 WFPC2 IMAGE WFALL-FI F702W none none none none 2 N/A X LCDCS-0829 8 ACS/WFC ACCUM WFC-FIX F850LP none none none none 2 N/A LCDCS-0829 9 ACS/WFC ACCUM WFC-FIX F850LP none none none none 2 N/A LCDCS-0829 10 ACS/WFC ACCUM WFC-FIX F850LP none none none none 2 N/A LCDCS-0829 11 ACS/WFC ACCUM WFC-FIX F850LP none none none none 3 N/A ANY 12 WFPC2 IMAGE WFALL-FI F702W none none none none 3 N/A X LCDCS-0829 13 ACS/WFC ACCUM WFC-FIX F850LP none none none none 3 N/A LCDCS-0829 14 ACS/WFC ACCUM WFC-FIX F850LP none none none none 3 N/A LCDCS-0829 15 ACS/WFC ACCUM WFC-FIX F850LP none none none none 3 N/A 10492( 2) - 05/10/05 13:52 - [ 6] Visit: 02 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Visit to perform three ACS/WFC orbits of i-band (F814W) observations for RXJ1347-1145. This visit has to be observed with the same orientation as visit 1. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S LOW-SKY; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFPC2 IMAGE WFALL-FIX F702W CLOCKS=YES,CR-SPLIT=NO 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 3 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.247, 2.984; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 4 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.494, 5.968; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 5 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.741, 8.952; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 6 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.115, 0.125; LOW-SKY; PAR 7 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY WFPC2 IMAGE WFALL-FIX F702W CR-SPLIT=NO,CLOCKS=YES 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 8 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.362, 3.109; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 9 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.609, 6.093; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 10 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.856, 9.077; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 11 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.231, 0.249; LOW-SKY; PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFPC2 IMAGE WFALL-FIX F702W CLOCKS=YES,CR-SPLIT=NO 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 13 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.478, 3.233; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 14 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.725, 6.217; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 10492( 2) - 05/10/05 13:52 - [ 7] Exposures ----------------------------------------------------------------------------------------------------------------------------------- Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ----------------------------------------------------------------------------------------------------------------------------------- 15 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F814W CR-SPLIT=NO 1 440 S POS TARG 0.972, 9.201; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ LCDCS-0829 1 ACS/WFC ACCUM WFC-FIX F814W none none none none 1 N/A ANY 2 WFPC2 IMAGE WFALL-FI F702W none none none none 1 N/A X LCDCS-0829 3 ACS/WFC ACCUM WFC-FIX F814W none none none none 1 N/A LCDCS-0829 4 ACS/WFC ACCUM WFC-FIX F814W none none none none 1 N/A LCDCS-0829 5 ACS/WFC ACCUM WFC-FIX F814W none none none none 1 N/A LCDCS-0829 6 ACS/WFC ACCUM WFC-FIX F814W none none none none 2 N/A ANY 7 WFPC2 IMAGE WFALL-FI F702W none none none none 2 N/A X LCDCS-0829 8 ACS/WFC ACCUM WFC-FIX F814W none none none none 2 N/A LCDCS-0829 9 ACS/WFC ACCUM WFC-FIX F814W none none none none 2 N/A LCDCS-0829 10 ACS/WFC ACCUM WFC-FIX F814W none none none none 2 N/A LCDCS-0829 11 ACS/WFC ACCUM WFC-FIX F814W none none none none 3 N/A ANY 12 WFPC2 IMAGE WFALL-FI F702W none none none none 3 N/A X LCDCS-0829 13 ACS/WFC ACCUM WFC-FIX F814W none none none none 3 N/A LCDCS-0829 14 ACS/WFC ACCUM WFC-FIX F814W none none none none 3 N/A LCDCS-0829 15 ACS/WFC ACCUM WFC-FIX F814W none none none none 3 N/A 10492( 2) - 05/10/05 13:52 - [ 8] Visit: 03 Visit Priority: Visit Requirements: SAME ORIENT AS 01 On Hold Comments: Additional Comments: Visit to perform three ACS/WFC orbits of g-band (F475W) observations for RXJ1347-1145 This visit has to be observed with the same orientation as visit 1. Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S LOW-SKY; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFPC2 IMAGE WFALL-FIX F702W CLOCKS=YES,CR-SPLIT=NO 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 3 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.247, 2.984; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 4 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.494, 5.968; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 5 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.741, 8.952; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 6 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.115, 0.125; LOW-SKY; PAR 7 WITH 6 ------------------------------------------------------------------------------------------------------------------------------------ 7 ANY WFPC2 IMAGE WFALL-FIX F702W CR-SPLIT=NO,CLOCKS=YES 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 8 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.362, 3.109; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 9 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.609, 6.093; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 10 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.856, 9.077; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 11 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.231, 0.249; LOW-SKY; PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFPC2 IMAGE WFALL-FIX F702W CLOCKS=YES,CR-SPLIT=NO 1 300 S ------------------------------------------------------------------------------------------------------------------------------------ 13 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.478, 3.233; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 14 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.725, 6.217; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 10492( 2) - 05/10/05 13:52 - [ 9] Exposures ----------------------------------------------------------------------------------------------------------------------------------- Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| | Requirements ----------------------------------------------------------------------------------------------------------------------------------- 15 LCDCS-0829 ACS/WFC ACCUM WFC-FIX F475W CR-SPLIT=NO 1 440 S POS TARG 0.972, 9.201; LOW-SKY ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ LCDCS-0829 1 ACS/WFC ACCUM WFC-FIX F475W none none none none 1 N/A ANY 2 WFPC2 IMAGE WFALL-FI F702W none none none none 1 N/A X LCDCS-0829 3 ACS/WFC ACCUM WFC-FIX F475W none none none none 1 N/A LCDCS-0829 4 ACS/WFC ACCUM WFC-FIX F475W none none none none 1 N/A LCDCS-0829 5 ACS/WFC ACCUM WFC-FIX F475W none none none none 1 N/A LCDCS-0829 6 ACS/WFC ACCUM WFC-FIX F475W none none none none 2 N/A ANY 7 WFPC2 IMAGE WFALL-FI F702W none none none none 2 N/A X LCDCS-0829 8 ACS/WFC ACCUM WFC-FIX F475W none none none none 2 N/A LCDCS-0829 9 ACS/WFC ACCUM WFC-FIX F475W none none none none 2 N/A LCDCS-0829 10 ACS/WFC ACCUM WFC-FIX F475W none none none none 2 N/A LCDCS-0829 11 ACS/WFC ACCUM WFC-FIX F475W none none none none 3 N/A ANY 12 WFPC2 IMAGE WFALL-FI F702W none none none none 3 N/A X LCDCS-0829 13 ACS/WFC ACCUM WFC-FIX F475W none none none none 3 N/A LCDCS-0829 14 ACS/WFC ACCUM WFC-FIX F475W none none none none 3 N/A LCDCS-0829 15 ACS/WFC ACCUM WFC-FIX F475W none none none none 3 N/A 10492( 2) - 05/10/05 13:52 - [ 10] Summary Form for Proposal 10492 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures WFC-FIX WFALL-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC WFPC2 ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM IMAGE ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO CLOCKS=YES ------------------------------------------------------------------------------------------------------------------------------------ Proposal Category GO ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements LOW-SKY; PAR 2 WITH 1 POS TARG 0.247, 2.984; LOW-SKY POS TARG 0.494, 5.968; LOW-SKY POS TARG 0.741, 8.952; LOW-SKY POS TARG 0.115, 0.125; LOW-SKY; PAR 7 WITH 6 POS TARG 0.362, 3.109; LOW-SKY POS TARG 0.609, 6.093; LOW-SKY POS TARG 0.856, 9.077; LOW-SKY POS TARG 0.231, 0.249; LOW-SKY; PAR 12 WITH 11 POS TARG 0.478, 3.233; LOW-SKY POS TARG 0.725, 6.217; LOW-SKY POS TARG 0.972, 9.201; LOW-SKY SAME ORIENT AS 01 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F850LP F702W F814W F475W ------------------------------------------------------------------------------------------------------------------------------------ Target Names LCDCS-0829 ANY ------------------------------------------------------------------------------------------------------------------------------------