16718( 7) - 05-Nov-2021 14:37:57 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 16718 Version: 7 Check-in Time: 05-Nov-2021 14:37:57 STScI Edit Number: 2 Title Atmospheric Structure and Spin Axis Alignment of an Overlooked Planetary-Mass Companion ------------------------------------------------------------------------------------ Type Cycle GO 29 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Johanna Vos American Museum of Natural History Y CoI: Dr. Jacqueline Kelly Faherty American Museum of Natural History N CoI: Mark Popinchalk City University of New York Hunter College N CoI: Dr. Marc Jason Kuchner NASA Goddard Space Flight Center N CoI: Dr. J. Davy Kirkpatrick California Institute of Technology N CoI: Dr. Adam Schneider United States Naval Observatory Flagstaff N Station CoI: Dr. Aaron Meisner NOIRLab - (AZ) N CoI: Prof. Adam J. Burgasser University of California - San Diego N CoI: Dr. Eileen Gonzales Cornell University N CoI: Dr. Beth Biller University of Edinburgh, Institute for N Astronomy CoI: Dr. Jonathan Gagne Universite de Montreal N CoI: Dr. Daniella Carolina Bardalez American Museum of Natural History N Gagliuffi CoI: Afra Ashraf Barnard College N CoI: Mr. Joerg Schuemann Unaffiliated N ------------------------------------------------------------------------------------ Abstract Next-generation telescopes such as the James Webb Space Telescope and 30-m telescopes (E-ELT, TMT, GMT) will enable the era of direct exoplanet characterization studies. Based on the handful of studies to date (e.g. Beta Pictoris b, HR8799 bcde, 2M1207B, 51 Eri b), it is clear that the interpretation of future observational data relies on a thorough understanding of complex atmospheric phenomena. Directly-imaged exoplanets such as HR8799 bcde and Beta Pic b are too close to their host star to enable in-depth, time resolved atmospheric characterization, but wide orbit planetary-mass companions can be studied with current facilities in exceptional detail. We propose to obtain HST/WFC3 spectroscopic variability monitoring of a young, newly discovered companion at the planet/brown dwarf boundary to shed light on the atmospheres of young L-type objects. The proposed observations will reveal the atmospheric structures and phenomena as well as the spin axis alignment of the system to test formation mechanism. ------------------------------------------------------------------------------------ Observations Description ------------------------ This program consists of 6 consecutive, uninterrupted WFC3 G141 observations of a wide planetary-mass companion to a star. ------------------------------------------------------------------------------------ 16718( 7) - 05-Nov-2021 14:37:57 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 W1243+6001B STAR, BROWN DWARF, RA=12H43M32.1276S, J2000 J=18.53, H=16.6, K=15.6 EXTRA-SOLAR PLANET DEC=+60D01'26.24" Reference Frame: ICRS Extended: NO Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2016.0 -0.016865681865704495 -0.064141 .022 ------------------------------------------------------------------------------------------------------------------------------------ 16718( 7) - 05-Nov-2021 14:37:57 - [ 3] Visit: 01 (W1243B) Visit Requirements: ORIENT 274D TO 334 D; ORIENT 92D TO 152 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 W1243+6001B WFC3/IR MULTIAC GRISM256 F127M NSAMP=9, SAMP-SEQ=SPARS10 1 DEF (59.05 SEQ 1-2 NON-INT CUM S) ------------------------------------------------------------------------------------------------------------------------------------ 2 W1243+6001B WFC3/IR MULTIAC GRISM256 G141 NSAMP=13, SAMP-SEQ=SPARS25 10 DEF CUM (2684.303 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 W1243+6001B WFC3/IR MULTIAC GRISM256 F127M NSAMP=8, SAMP-SEQ=SPARS10 1 DEF SEQ 3-4 NON-INT CUM (51.703 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 W1243+6001B WFC3/IR MULTIAC GRISM256 G141 NSAMP=13, SAMP-SEQ=SPARS25 10 DEF CUM (2684.303 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 W1243+6001B WFC3/IR MULTIAC GRISM256 F127M NSAMP=5, SAMP-SEQ=SPARS10 1 DEF SEQ 5-6 NON-INT CUM (29.664 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 W1243+6001B WFC3/IR MULTIAC GRISM256 G141 NSAMP=13, SAMP-SEQ=SPARS25 10 DEF CUM (2684.303 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 W1243+6001B WFC3/IR MULTIAC GRISM256 F127M NSAMP=5, SAMP-SEQ=SPARS10 1 DEF SEQ 7-8 NON-INT CUM (29.664 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 W1243+6001B WFC3/IR MULTIAC GRISM256 G141 NSAMP=13, SAMP-SEQ=SPARS25 10 DEF CUM (2684.303 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 W1243+6001B WFC3/IR MULTIAC GRISM256 F127M NSAMP=5, SAMP-SEQ=SPARS10 1 DEF SEQ 9-10 NON-INT CUM (29.664 S) ------------------------------------------------------------------------------------------------------------------------------------ 10 W1243+6001B WFC3/IR MULTIAC GRISM256 G141 NSAMP=13, SAMP-SEQ=SPARS25 10 DEF CUM (2684.303 S) ------------------------------------------------------------------------------------------------------------------------------------ 11 W1243+6001B WFC3/IR MULTIAC GRISM256 F127M NSAMP=5, SAMP-SEQ=SPARS10 1 DEF SEQ 11-12 NON-INT CUM (29.664 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 W1243+6001B WFC3/IR MULTIAC GRISM256 G141 NSAMP=13, SAMP-SEQ=SPARS25 10 DEF CUM (2684.303 S) ------------------------------------------------------------------------------------------------------------------------------------ 16718( 7) - 05-Nov-2021 14:37:57 - [ 4] 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 | ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ W1243+6001B 1 WFC3/IR MULTIAC GRISM256 F127M none none none none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 1 N/A CUM W1243+6001B 2 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 1 N/A CUM W1243+6001B 3 WFC3/IR MULTIAC GRISM256 F127M none none none none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 2 N/A CUM W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 2 N/A CUM 16718( 7) - 05-Nov-2021 14:37:57 - [ 5] 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 | ------------------------------------------------------------------------------------------------------------------------------------ W1243+6001B 4 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 2 N/A CUM W1243+6001B 5 WFC3/IR MULTIAC GRISM256 F127M none none none none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 3 N/A CUM W1243+6001B 6 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 3 N/A CUM W1243+6001B 7 WFC3/IR MULTIAC GRISM256 F127M none none none none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 4 N/A CUM W1243+6001B 8 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 4 N/A CUM W1243+6001B 9 WFC3/IR MULTIAC GRISM256 F127M none none none none 5 N/A CUM 16718( 7) - 05-Nov-2021 14:37:57 - [ 6] 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 | ------------------------------------------------------------------------------------------------------------------------------------ W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 5 N/A CUM W1243+6001B 10 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 5 N/A CUM W1243+6001B 11 WFC3/IR MULTIAC GRISM256 F127M none none none none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 1 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 2 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 3 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 4 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 5 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 6 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 7 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 8 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 9 none 6 N/A CUM W1243+6001B 12 WFC3/IR MULTIAC GRISM256 G141 none none 10 none 6 N/A CUM 16718( 7) - 05-Nov-2021 14:37:57 - [ 7] Summary Form for Proposal 16718 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures GRISM256 ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=13, NSAMP=5, NSAMP=8, NSAMP=9, SAMP-SEQ=SPARS10, SAMP-SEQ=SPARS25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 274D TO 334 D, ORIENT 92D TO 152 D, SEQ 1-2 NON-INT, SEQ 11-12 NON-INT, SEQ 3-4 NON-INT, SEQ 5-6 NON-INT, SEQ 7-8 NON-INT, SEQ 9-10 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F127M, G141 ------------------------------------------------------------------------------------------------------------------------------------ Target Names W1243+6001B ------------------------------------------------------------------------------------------------------------------------------------