13871( 4) - 17-Jul-2014 13:20:37 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 13871 Version: 4 Check-in Time: 17-Jul-2014 13:20:37 STScI Edit Number: 0 Title A Spectroscopic Redshift for the Most Luminous Galaxy Candidate at z~10 ------------------------------------------------------------------------------------ Type Cycle GO 22 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Pascal Oesch Yale University Y CoI: Prof. Garth D. Illingworth University of California - Santa Cruz N CoI: Dr. Ivo Labbe Universiteit Leiden N CoI: Dr. Gabriel Brammer Space Telescope Science Institute - ESA N CoI: Dr. Rychard Bouwens Universiteit Leiden N CoI: Prof. Marijn Franx Universiteit Leiden N CoI: Prof. Pieter van Dokkum Yale University N CoI: Mr. Daniel K. Magee University of California - Santa Cruz N CoI: Dr. Ivelina G Momcheva Yale University N CoI: Ms. Renske Smit Universiteit Leiden N CoI: Dr. Matthew L. N. Ashby Smithsonian Institution Astrophysical N Observatory CoI: Dr. Giovanni G. Fazio Smithsonian Institution Astrophysical N Observatory CoI: Dr. Jiasheng Huang Smithsonian Institution Astrophysical N Observatory CoI: Dr. Steven P. Willner Smithsonian Institution Astrophysical N Observatory CoI: Valentino Gonzalez University of California - Riverside N CoI: Dr. Rosalind Eugenie Skelton South African Astronomical Observatory N CoI: Dr. Michele Trenti University of Cambridge N CoI: Dr. Lee Spitler Macquarie University N ------------------------------------------------------------------------------------ Abstract We recently discovered an unexpectedly bright and hence very luminous z~10 galaxy candidate in the GOODS-North field (GN-z10-1; Oesch et al. 2014). This source is the brightest and highest-redshift z>9 candidate in the complete 900-orbit CANDELS dataset. It is also the only z>8 candidate that is robustly detected in both Spitzer 3.6 and 4.5 micron channels, allowing for an unprecedented sampling of the rest-frame UV to optical spectral energy distribution for such an early galaxy. The existence of such a luminous and massive source at z~10, just 500 Myr after the Big Bang, raises significant questions about our understanding of early galaxy formation: it would imply that massive galaxies built up their masses faster than hitherto thought. Our comprehensive photometric tests indicate that this galaxy lies at z>9. However, without a spectroscopic redshift, we can not exclude other possibilities, such as a low redshift galaxy with very unusual continuum and emission line properties. The unusual brightness of this candidate together with the unique continuum sensitivity of the WFC3/IR grism G141 opens up the possibility for spectroscopic confirmation with HST. Because of its high redshift, this source cannot be observed from the ground due to very low atmospheric transparency at the wavelengths of its redshifted Lyman break. Before JWST, HST with the WFC3/IR G141 grism is uniquely capable amongst all existing telescopes of establishing a 13871( 4) - 17-Jul-2014 13:20:37 - [ 2] breakthrough in high-redshift galaxy spectroscopy by enabling a spectroscopic *continuum* detection at z~10. ------------------------------------------------------------------------------------ Observations Description ------------------------ The goal of this program is to obtain a deep WFC3/IR grism spectrum of a bright (H=26 mag) candidate z~10 galaxy in the GOODS-N field (GN-z10-1 at 12:36:25.46, +62:14:31.4; Oesch et al. 2014). We will observe this source for a total of 12 orbits at different orientations, which were selected to minimize contamination of the resulting grism spectrum from neighboring sources. The absolute best possbile roll angles (ORIENTS=50-53) are unfortunately only schedulable for 1 day in August 2014. We therefore identified a series of other possible angles with acceptably low expected contamination. ORIENTS=(181), (42), (213) Our observation strategy is to obtain 3 visits of two orbits at two different orientations. Each visit contains four short pre-images of F140W each followed by a long G141 grism exposure. The four sets of exposures are dithered following our successful 4-point dithering strategy used for the 3D-HST survey (e.g., Brammer et al. 2012). I.e. we set POS-TARG: (0, 0) (1.355, 0.424) (0.881, 1.212) (-0.474, 0.788). The structure of each visit is thus four sets of (direct F140W image, G141 grism exposure, dither offset). Due to the possibility of excess Earth-glow by a bright He line at either the beginning or at the end of each orbit, we exchanged the F140W and G141 exposures for the second set of dither offsets within each orbit. This will minimize the impact of background variations on our G141 science exposures. The aperture is set to GRISM1024, which uses the same reference pixel and definition for both F140W and the G141 grism. In addition to the primary exposures, we also take parallel F435W ACS imaging. G141 exposures use SPARS100 sampling with NSAMP=14-15, and F140W exposures are taken with SPARS50 with NSAMP=5 and 4 (where NSAMP is optimized to fill the orbits). While NSAMP=4 for the direct images is very low, we only use this setting for the second direct image at the end of each orbit, which is only used to make sure no pointing problems or drifts are present relative to the commanded POS-TARG. We submit 6 visits of 2 orbit duration. Visits 1-3 have constraints of ORIENT=181. Visits 4-6 have various orient constraints to allow for schedulability ORIENT=(50-53), (42), (213). We request that both sets are taken at the same orient, and we have set the "Same Orient as" special requirement. ------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 GN-Z10-1 GALAXY, HIGH REDSHIFT RA=12H36M25.4600S +/- 0.1", J2000 V = 30 +/- 1.0 H=26 mag AB GALAXY DEC=+62D14'31.40" +/- 0.1" Reference Frame: ICRS Comments: Target is a J-band dropout, and is not visible in any filter shortward of 1.1um. ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 4] Visit: 01 Visit Requirements: ORIENT 181D TO 181 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.0, 0.0; GS CUM (202.934 ACQ SCENARIO ONEB1B3; S) PAR 3 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 1 CUM (1302.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1363 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG 1.355, 0.424; CUM (1302.936 PAR 6 WITH 4-5 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 4 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.881, 1.212; CUM (202.934 PAR 9 WITH 7-8 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=15, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 7 CUM (1402.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1545 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG -0.474, 0.788; CUM (1302.936 PAR 12 WITH 10-11 S) ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 10 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 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 | ------------------------------------------------------------------------------------------------------------------------------------ GN-Z10-1 1 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GN-Z10-1 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 ANY 3 ACS/WFC ACCUM WFC F435W none none none none 1 1363.0 S GN-Z10-1 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GN-Z10-1 5 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 ANY 6 ACS/WFC ACCUM WFC F435W none none none none 1 1394.0 S GN-Z10-1 7 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 GN-Z10-1 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 ANY 9 ACS/WFC ACCUM WFC F435W none none none none 2 1545.0 S GN-Z10-1 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 GN-Z10-1 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 ANY 12 ACS/WFC ACCUM WFC F435W none none none none 2 1394.0 S 13871( 4) - 17-Jul-2014 13:20:37 - [ 6] Visit: 02 Visit Requirements: SAME ORIENT AS 01 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.0, 0.0; GS CUM (202.934 ACQ SCENARIO ONEB1B3; S) PAR 3 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 1 CUM (1302.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1363 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG 1.355, 0.424; CUM (1302.936 PAR 6 WITH 4-5 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 4 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.881, 1.212; CUM (202.934 PAR 9 WITH 7-8 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=15, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 7 CUM (1402.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1545 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG -0.474, 0.788; CUM (1302.936 PAR 12 WITH 10-11 S) ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 7] 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 10 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 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 | ------------------------------------------------------------------------------------------------------------------------------------ GN-Z10-1 1 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GN-Z10-1 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 ANY 3 ACS/WFC ACCUM WFC F435W none none none none 1 1363.0 S GN-Z10-1 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GN-Z10-1 5 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 ANY 6 ACS/WFC ACCUM WFC F435W none none none none 1 1394.0 S GN-Z10-1 7 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 GN-Z10-1 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 ANY 9 ACS/WFC ACCUM WFC F435W none none none none 2 1545.0 S GN-Z10-1 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 GN-Z10-1 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 ANY 12 ACS/WFC ACCUM WFC F435W none none none none 2 1394.0 S 13871( 4) - 17-Jul-2014 13:20:37 - [ 8] Visit: 03 Visit Requirements: SAME ORIENT AS 01 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.0, 0.0; GS CUM (202.934 ACQ SCENARIO ONEB1B3; S) PAR 3 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 1 CUM (1302.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1363 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG 1.355, 0.424; CUM (1302.936 PAR 6 WITH 4-5 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 4 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.881, 1.212; CUM (202.934 PAR 9 WITH 7-8 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=15, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 7 CUM (1402.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1545 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG -0.474, 0.788; CUM (1302.936 PAR 12 WITH 10-11 S) ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 9] 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 10 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 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 | ------------------------------------------------------------------------------------------------------------------------------------ GN-Z10-1 1 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GN-Z10-1 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 ANY 3 ACS/WFC ACCUM WFC F435W none none none none 1 1363.0 S GN-Z10-1 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GN-Z10-1 5 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 ANY 6 ACS/WFC ACCUM WFC F435W none none none none 1 1394.0 S GN-Z10-1 7 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 GN-Z10-1 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 ANY 9 ACS/WFC ACCUM WFC F435W none none none none 2 1545.0 S GN-Z10-1 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 GN-Z10-1 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 ANY 12 ACS/WFC ACCUM WFC F435W none none none none 2 1394.0 S 13871( 4) - 17-Jul-2014 13:20:37 - [ 10] Visit: 04 Visit Requirements: ORIENT 50D TO 53 D; ORIENT 42D TO 42 D; ORIENT 213D TO 213 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.0, 0.0; GS CUM (202.934 ACQ SCENARIO ONEB1B3; S) PAR 3 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 1 CUM (1302.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1363 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG 1.355, 0.424; CUM (1302.936 PAR 6 WITH 4-5 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 4 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.881, 1.212; CUM (202.934 PAR 9 WITH 7-8 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=15, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 7 CUM (1402.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1545 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG -0.474, 0.788; CUM (1302.936 PAR 12 WITH 10-11 S) ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 11] 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 10 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 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 | ------------------------------------------------------------------------------------------------------------------------------------ GN-Z10-1 1 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GN-Z10-1 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 ANY 3 ACS/WFC ACCUM WFC F435W none none none none 1 1363.0 S GN-Z10-1 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GN-Z10-1 5 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 ANY 6 ACS/WFC ACCUM WFC F435W none none none none 1 1394.0 S GN-Z10-1 7 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 GN-Z10-1 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 ANY 9 ACS/WFC ACCUM WFC F435W none none none none 2 1545.0 S GN-Z10-1 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 GN-Z10-1 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 ANY 12 ACS/WFC ACCUM WFC F435W none none none none 2 1394.0 S 13871( 4) - 17-Jul-2014 13:20:37 - [ 12] Visit: 05 Visit Requirements: SAME ORIENT AS 04 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.0, 0.0; GS CUM (202.934 ACQ SCENARIO ONEB1B3; S) PAR 3 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 1 CUM (1302.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1363 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG 1.355, 0.424; CUM (1302.936 PAR 6 WITH 4-5 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 4 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.881, 1.212; CUM (202.934 PAR 9 WITH 7-8 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=15, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 7 CUM (1402.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1545 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG -0.474, 0.788; CUM (1302.936 PAR 12 WITH 10-11 S) ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 13] 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 10 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 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 | ------------------------------------------------------------------------------------------------------------------------------------ GN-Z10-1 1 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GN-Z10-1 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 ANY 3 ACS/WFC ACCUM WFC F435W none none none none 1 1363.0 S GN-Z10-1 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GN-Z10-1 5 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 ANY 6 ACS/WFC ACCUM WFC F435W none none none none 1 1394.0 S GN-Z10-1 7 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 GN-Z10-1 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 ANY 9 ACS/WFC ACCUM WFC F435W none none none none 2 1545.0 S GN-Z10-1 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 GN-Z10-1 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 ANY 12 ACS/WFC ACCUM WFC F435W none none none none 2 1394.0 S 13871( 4) - 17-Jul-2014 13:20:37 - [ 14] Visit: 06 Visit Requirements: SAME ORIENT AS 04 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.0, 0.0; GS CUM (202.934 ACQ SCENARIO ONEB1B3; S) PAR 3 WITH 1-2 ------------------------------------------------------------------------------------------------------------------------------------ 2 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 1 CUM (1302.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1363 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG 1.355, 0.424; CUM (1302.936 PAR 6 WITH 4-5 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 4 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 0.881, 1.212; CUM (202.934 PAR 9 WITH 7-8 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=15, SAMP-SEQ=SPARS100 1 DEF SAME POS AS 7 CUM (1402.937 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1545 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 G141 NSAMP=14, SAMP-SEQ=SPARS100 1 DEF POS TARG -0.474, 0.788; CUM (1302.936 PAR 12 WITH 10-11 S) ------------------------------------------------------------------------------------------------------------------------------------ 13871( 4) - 17-Jul-2014 13:20:37 - [ 15] 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 GN-Z10-1 WFC3/IR MULTIAC GRISM1024 F140W NSAMP=4, SAMP-SEQ=SPARS50 1 DEF SAME POS AS 10 CUM (152.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY ACS/WFC ACCUM WFC F435W 1 1200.0 S see below (1394 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 | ------------------------------------------------------------------------------------------------------------------------------------ GN-Z10-1 1 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 GN-Z10-1 2 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 ANY 3 ACS/WFC ACCUM WFC F435W none none none none 1 1363.0 S GN-Z10-1 4 WFC3/IR MULTIAC GRISM102 G141 none none none none 1 N/A CUM 4 GN-Z10-1 5 WFC3/IR MULTIAC GRISM102 F140W none none none none 1 N/A CUM 4 ANY 6 ACS/WFC ACCUM WFC F435W none none none none 1 1394.0 S GN-Z10-1 7 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 GN-Z10-1 8 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 ANY 9 ACS/WFC ACCUM WFC F435W none none none none 2 1545.0 S GN-Z10-1 10 WFC3/IR MULTIAC GRISM102 G141 none none none none 2 N/A CUM 4 GN-Z10-1 11 WFC3/IR MULTIAC GRISM102 F140W none none none none 2 N/A CUM 4 ANY 12 ACS/WFC ACCUM WFC F435W none none none none 2 1394.0 S 13871( 4) - 17-Jul-2014 13:20:37 - [ 16] Summary Form for Proposal 13871 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures GRISM1024, WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=14, NSAMP=15, NSAMP=4, NSAMP=5, SAMP-SEQ=SPARS100, SAMP-SEQ=SPARS50 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements GS ACQ SCENARIO ONEB1B3, ORIENT 181D TO 181 D, ORIENT 213D TO 213 D, ORIENT 42D TO 42 D, ORIENT 50D TO 53 D, PAR 12 WITH 10-11, PAR 3 WITH 1-2, PAR 6 WITH 4-5, PAR 9 WITH 7-8, POS TARG -0.474, 0.788, POS TARG 0.0, 0.0, POS TARG 0.881, 1.212, POS TARG 1.355, 0.424, SAME ORIENT AS 01, SAME ORIENT AS 04, SAME POS AS 1, SAME POS AS 10, SAME POS AS 4, SAME POS AS 7 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F140W, F435W, G141 ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, GN-Z10-1 ------------------------------------------------------------------------------------------------------------------------------------