13666( 3) - 23-Jul-2014 11:27:09 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 13666 Version: 3 Check-in Time: 23-Jul-2014 11:27:09 STScI Edit Number: 0 Title The power of the great observatories: Investigating stellar properties out to z~10 with HST and Spitzer ------------------------------------------------------------------------------------ Type Cycle GO 22 ------------------------------------------------------------------------------------ Investigators Contact? PI: Prof. Marusa Bradac University of California - Davis Y CoI: Prof. Tommaso L. Treu University of California - Los Angeles N CoI: Dr. Russell E. Ryan Jr. Space Telescope Science Institute N CoI: Dr. Stefano Casertano Space Telescope Science Institute N CoI: Mr. Austin Hoag University of California - Davis N CoI: Dr. Kuang-Han Huang University of California - Davis N CoI: Prof. Dennis Zaritsky University of Arizona N CoI: Dr. Brian Lemaux Laboratoire d'Astrophysique de Marseille N CoI: Prof. Lori M. Lubin University of California - Davis N CoI: Prof. Anthony H. Gonzalez University of Florida N CoI: Dr. Hendrik Hildebrandt Universitat Bonn, Argelander Institute for N Astronomy CoI: Dr. Tim Schrabback Universitat Bonn, Argelander Institute for N Astronomy CoI: Dr. Anja von der Linden Stanford University N CoI: Prof. Steven W. Allen Stanford University N CoI: Dr. Benjamin Cain University of California - Davis N ------------------------------------------------------------------------------------ Abstract In spite of recent progress, the role of distant galaxies in cosmic reionization has been difficult to pin down. A powerful way to make progress is to move beyond counting high redshift sources and study the stellar properties of the population instead. Accurate knowledge of the average star formation density and its recent history in the universe at this epoch is necessary to determine whether these galaxies emit enough hard photons to reionize the Universe. SURFS UP is a Spitzer Exploration Science program (PI Bradac) designed to measure stellar masses and ages of galaxies at z >~ 7 and identify the dominant sources of the bulk of ionizing photons necessary to drive reionization. The last observations were completed in March 2014. The program uses 10 galaxy clusters as cosmic telescopes to study galaxies at intrinsically lower luminosities than blank field surveys of the same exposure time. All clusters but one have both extremely deep HST and Spitzer data available. The last cluster (MACS2214) is lacking HST WFC3-IR data which are crucial to select galaxies at z >~ 7, to study their instantaneous star formation rate via rest-frame UV, and to study their evolved population via rest-frame optical. We request here 5 orbits of WFC3-IR data, which will be a crucial complement to the existing extremely deep Spitzer and HST-ACS data for MACS2214, as well as to the entire SURFS UP sample. The proposal will double the number of currently detected sub-L* galaxies at z>~7 that have been detected by Spitzer and for which we can measure stellar masses and ages. The request of 5 orbits will strongly increase the legacy value of SURFS UP and we waive any proprietary rights. ------------------------------------------------------------------------------------ 13666( 3) - 23-Jul-2014 11:27:09 - [ 2] Observations Description ------------------------ HST imaging 5 orbits for MACS2214-13 to obtain images of z~7 galaxies. WFC3/F098W 1.55 orbits, WFC3/F125W 1.55 orbits, WFC3/F160W 1.75 orbits) We use SPAR-SAMP50 and LOW SKY requirement. There is no ORIENT requirement (except that the entire visit is executed with the same ORIENT) We mix 2 scaled IR-DITHER_BOX patterns, first shifted by (-1, -1) pixels to make it more central and then scaled by 9, and 11. Patterns are offset by (0.2, 0.8) pixels. To this we add central points (-0.7, 0.5) and (0.7, 0.5). The resulting points are [[-11. -11. ] [ 33. 5.5] [ 16.5 33. ] [-27.5 16.5] [ -8.8 -8.2] [ 27.2 5.3] [ 13.7 27.8] [-22.3 14.3] [ -0.7 0.5] [ 0.7 0.5]] or in POSTARG coordinates: [[-1.491 -1.332] [ 4.472 0.666] [ 2.236 3.996] [-3.726 1.998] [-1.192 -0.993] [ 3.686 0.642] [ 1.856 3.367] [-3.022 1.732] [-0.095 0.061] [ 0.095 0.061]] ------------------------------------------------------------------------------------ 13666( 3) - 23-Jul-2014 11:27:09 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 MACSJ2214-13 CLUSTER OF GALAXIES, RA=22H14M57.3410S, J2000 V = 28 59 GRAVITATIONAL LENS DEC=-14D00'12.22" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 13666( 3) - 23-Jul-2014 11:27:09 - [ 4] Visit: 01 Visit Requirements: 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| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 3; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=10 1 DEF SAME POS AS 3; LOW-SKY 359 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG -1.491, -1.332; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 4 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG 4.472, 0.666; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 5 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 4; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=11 1 DEF SAME POS AS 4 359 CUM (502.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 9; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=10 1 DEF SAME POS AS 9; LOW-SKY 359 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG 2.236, 3.996; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 10 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG -3.726, 1.998; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 13666( 3) - 23-Jul-2014 11:27:09 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 10; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=11 1 DEF SAME POS AS 10 359 CUM (502.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 15; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 14 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=10 1 DEF SAME POS AS 15; LOW-SKY 359 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG -1.192, -0.993; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 16 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG 3.686, 0.642; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 17 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 16; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 18 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=11 1 DEF SAME POS AS 16 359 CUM (502.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 21; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 20 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=10 1 DEF SAME POS AS 21; LOW-SKY 359 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG 1.856, 3.367; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 22 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG -3.022, 1.732; 359 CUM (402.936 LOW-SKY S) 13666( 3) - 23-Jul-2014 11:27:09 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 23 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 22; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 24 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=11 1 DEF SAME POS AS 22 359 CUM (502.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 27; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 26 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=10 1 DEF SAME POS AS 27; LOW-SKY 359 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 27 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG -0.095, 0.061; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 28 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F105W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF POS TARG 0.095, 0.061; 359 CUM (402.936 LOW-SKY S) ------------------------------------------------------------------------------------------------------------------------------------ 29 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F125W SAMP-SEQ=SPARS50, NSAMP=9 1 DEF SAME POS AS 28; LOW-SKY 359 CUM (402.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 30 MACSJ2214-1 WFC3/IR MULTIAC IR-FIX F160W SAMP-SEQ=SPARS50, NSAMP=11 1 DEF SAME POS AS 28 359 CUM (502.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ MACSJ2214-1359 1 WFC3/IR MULTIAC IR-FIX F125W none none none none 1 N/A CUM MACSJ2214-1359 2 WFC3/IR MULTIAC IR-FIX F160W none none none none 1 N/A CUM MACSJ2214-1359 3 WFC3/IR MULTIAC IR-FIX F105W none none none none 1 N/A CUM MACSJ2214-1359 4 WFC3/IR MULTIAC IR-FIX F105W none none none none 1 N/A CUM 13666( 3) - 23-Jul-2014 11:27:09 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ MACSJ2214-1359 5 WFC3/IR MULTIAC IR-FIX F125W none none none none 1 N/A CUM MACSJ2214-1359 6 WFC3/IR MULTIAC IR-FIX F160W none none none none 1 N/A CUM MACSJ2214-1359 7 WFC3/IR MULTIAC IR-FIX F125W none none none none 2 N/A CUM MACSJ2214-1359 8 WFC3/IR MULTIAC IR-FIX F160W none none none none 2 N/A CUM MACSJ2214-1359 9 WFC3/IR MULTIAC IR-FIX F105W none none none none 2 N/A CUM MACSJ2214-1359 10 WFC3/IR MULTIAC IR-FIX F105W none none none none 2 N/A CUM MACSJ2214-1359 11 WFC3/IR MULTIAC IR-FIX F125W none none none none 2 N/A CUM MACSJ2214-1359 12 WFC3/IR MULTIAC IR-FIX F160W none none none none 2 N/A CUM MACSJ2214-1359 13 WFC3/IR MULTIAC IR-FIX F125W none none none none 3 N/A CUM MACSJ2214-1359 14 WFC3/IR MULTIAC IR-FIX F160W none none none none 3 N/A CUM MACSJ2214-1359 15 WFC3/IR MULTIAC IR-FIX F105W none none none none 3 N/A CUM MACSJ2214-1359 16 WFC3/IR MULTIAC IR-FIX F105W none none none none 3 N/A CUM MACSJ2214-1359 17 WFC3/IR MULTIAC IR-FIX F125W none none none none 3 N/A CUM MACSJ2214-1359 18 WFC3/IR MULTIAC IR-FIX F160W none none none none 3 N/A CUM MACSJ2214-1359 19 WFC3/IR MULTIAC IR-FIX F125W none none none none 4 N/A CUM MACSJ2214-1359 20 WFC3/IR MULTIAC IR-FIX F160W none none none none 4 N/A CUM MACSJ2214-1359 21 WFC3/IR MULTIAC IR-FIX F105W none none none none 4 N/A CUM MACSJ2214-1359 22 WFC3/IR MULTIAC IR-FIX F105W none none none none 4 N/A CUM MACSJ2214-1359 23 WFC3/IR MULTIAC IR-FIX F125W none none none none 4 N/A CUM MACSJ2214-1359 24 WFC3/IR MULTIAC IR-FIX F160W none none none none 4 N/A CUM MACSJ2214-1359 25 WFC3/IR MULTIAC IR-FIX F125W none none none none 5 N/A CUM MACSJ2214-1359 26 WFC3/IR MULTIAC IR-FIX F160W none none none none 5 N/A CUM MACSJ2214-1359 27 WFC3/IR MULTIAC IR-FIX F105W none none none none 5 N/A CUM MACSJ2214-1359 28 WFC3/IR MULTIAC IR-FIX F105W none none none none 5 N/A CUM 13666( 3) - 23-Jul-2014 11:27:09 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ MACSJ2214-1359 29 WFC3/IR MULTIAC IR-FIX F125W none none none none 5 N/A CUM MACSJ2214-1359 30 WFC3/IR MULTIAC IR-FIX F160W none none none none 5 N/A CUM 13666( 3) - 23-Jul-2014 11:27:09 - [ 9] Summary Form for Proposal 13666 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR-FIX ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=10, NSAMP=11, NSAMP=9, SAMP-SEQ=SPARS50 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements LOW-SKY, POS TARG -0.095, 0.061, POS TARG -1.192, -0.993, POS TARG -1.491, -1.332, POS TARG -3.022, 1.732, POS TARG -3.726, 1.998, POS TARG 0.095, 0.061, POS TARG 1.856, 3.367, POS TARG 2.236, 3.996, POS TARG 3.686, 0.642, POS TARG 4.472, 0.666, SAME POS AS 10, SAME POS AS 15, SAME POS AS 16, SAME POS AS 21, SAME POS AS 22, SAME POS AS 27, SAME POS AS 28, SAME POS AS 3, SAME POS AS 4, SAME POS AS 9 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F105W, F125W, F160W ------------------------------------------------------------------------------------------------------------------------------------ Target Names MACSJ2214-1359 ------------------------------------------------------------------------------------------------------------------------------------