14494( 4) - 02-Nov-2016 20:02:15 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 14494 Version: 4 Check-in Time: 02-Nov-2016 20:02:15 STScI Edit Number: 1 Title Peering to the Heart of Massive Star Birth. II. Completion of the Eight-Source Pilot Survey ------------------------------------------------------------------------------------ Type Cycle GO 23 ------------------------------------------------------------------------------------ Investigators Contact? PI: Prof. Jonathan Charles Tan University of Florida Y CoI: Dr. Yichen Zhang Universidad de Chile N CoI: Dr. Nicola Da Rio University of Florida N CoI: Dr. Kei Tanaka University of Florida N CoI: Dr. Jan Erling Staff University of Florida N CoI: Ms. Mengyao Liu University of Florida N ------------------------------------------------------------------------------------ Abstract We propose to complete a survey of 8 massive and intermediate-mass protostars with WFC3/IR to probe the J and H band continuum and Pa-beta and [FeII] emission lines. The protostar sample is already the subject of approved SOFIA-FORCAST observations from 10-40 microns, and an awarded ALMA Cycle 3 time at 0.14 arcsecond resolution. Combined with sophisticated radiative transfer models, these observations are providing the most detailed constraints on the nature, luminosities, outflow cavity structures and distribution of surrounding dense core gas and dust of massive protostars. In the first round of Mid-Cycle 23, we were awarded time to observe 5 of the sources with HST, limited by the maximum orbits of Mid-Cycle programs. Here we propose to complete the survey of the remaining 3 sources. The proposed HST observations have 3 main goals: (1) Detect and characterize J and H band continuum emission, arising from jet and outflow knot features and from emerging scattered light; (2) Detect and characterize Pa-beta and [FeII] line emission tracing ionized and FUV-illuminated regions, important diagnostics of the protostellar source and its outflow structure; (3) Search for lower-mass protostars clustered around the forming massive protostar. All of these objectives will help test massive star formation theories. The high sensitivity and resolution of WFC3/IR enables these observations to be carried out very efficiently. Mid-Cycle observations are important to have near contemporaneous observation with ALMA, and at similar resolution, since jet/outflow knots may have large proper motions, and to maximize the potential time baseline for a future HST study of jet/outflow motions. ------------------------------------------------------------------------------------ Observations Description ------------------------ This is very straight forward program. 3 visits, each of them of one orbit, each of them on one of 3 independent targets (massive protostars). For each orbit, the target is observed with WFC3/IR imaging in 4 filters. ------------------------------------------------------------------------------------ 14494( 4) - 02-Nov-2016 20:02:15 - [ 2] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 G028.37+00.0 STAR, T TAURI STAR, YSO RA=18H42M58.1200S +/- 0", J2000 V = 12 7 DEC=-04D13'57.51" Reference Frame: ICRS Extended: YES ------------------------------------------------------------------------------------------------------------------------------------ 2 G032.03+00.0 STAR, T TAURI STAR, YSO RA=18H49M37.0500S, J2000 V = 12 5 DEC=-00D46'50.22" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 3 G045.47+0.05 STAR, T TAURI STAR, YSO RA=19H14M25.7400S, J2000 V = 12 DEC=-11D09'25.90" Reference Frame: ICRS ------------------------------------------------------------------------------------------------------------------------------------ 14494( 4) - 02-Nov-2016 20:02:15 - [ 3] 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 G028.37+00. WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG -1.930, -1.729 07 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 G028.37+00. WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 07 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 G028.37+00. WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG 1.930, 1.729 07 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 G028.37+00. WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 07 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 G028.37+00. WFC3/IR MULTIAC IR F110W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 07 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 G028.37+00. WFC3/IR MULTIAC IR F110W NSAMP=9, SAMP-SEQ=STEP50 1 DEF POS TARG 1.930, 1.729 07 CUM (199.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 G028.37+00. WFC3/IR MULTIAC IR F160W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 07 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 G028.37+00. WFC3/IR MULTIAC IR F160W NSAMP=8, SAMP-SEQ=STEP50 1 DEF POS TARG -1.930, -1.729 07 CUM (149.231 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 | ------------------------------------------------------------------------------------------------------------------------------------ G028.37+00.07 1 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM G028.37+00.07 2 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ G028.37+00.07 3 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G028.37+00.07 4 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G028.37+00.07 5 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G028.37+00.07 6 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G028.37+00.07 7 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM G028.37+00.07 8 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 5] Visit: 02 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 G032.03+00. WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG -1.930, -1.729 05 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 G032.03+00. WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 05 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 G032.03+00. WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG 1.930, 1.729 05 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 G032.03+00. WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 05 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 G032.03+00. WFC3/IR MULTIAC IR F110W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 05 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 G032.03+00. WFC3/IR MULTIAC IR F110W NSAMP=9, SAMP-SEQ=STEP50 1 DEF POS TARG 1.930, 1.729 05 CUM (199.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 G032.03+00. WFC3/IR MULTIAC IR F160W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 05 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 G032.03+00. WFC3/IR MULTIAC IR F160W NSAMP=8, SAMP-SEQ=STEP50 1 DEF POS TARG -1.930, -1.729 05 CUM (149.231 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 | ------------------------------------------------------------------------------------------------------------------------------------ G032.03+00.05 1 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM G032.03+00.05 2 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ G032.03+00.05 3 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G032.03+00.05 4 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G032.03+00.05 5 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G032.03+00.05 6 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G032.03+00.05 7 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM G032.03+00.05 8 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 7] Visit: 03 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 G045.47+0.0 WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG -1.930, -1.729 5 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 G045.47+0.0 WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 5 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 G045.47+0.0 WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG 1.930, 1.729 5 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 G045.47+0.0 WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 5 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 G045.47+0.0 WFC3/IR MULTIAC IR F110W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 5 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 G045.47+0.0 WFC3/IR MULTIAC IR F110W NSAMP=9, SAMP-SEQ=STEP50 1 DEF POS TARG 1.930, 1.729 5 CUM (199.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 G045.47+0.0 WFC3/IR MULTIAC IR F160W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 5 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 G045.47+0.0 WFC3/IR MULTIAC IR F160W NSAMP=8, SAMP-SEQ=STEP50 1 DEF POS TARG -1.930, -1.729 5 CUM (149.231 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 | ------------------------------------------------------------------------------------------------------------------------------------ G045.47+0.05 1 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM G045.47+0.05 2 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ G045.47+0.05 3 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G045.47+0.05 4 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G045.47+0.05 5 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G045.47+0.05 6 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G045.47+0.05 7 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM G045.47+0.05 8 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 9] Visit: 11 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 G028.37+00. WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG -1.930, -1.729 07 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 G028.37+00. WFC3/IR MULTIAC IR F128N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 07 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 G028.37+00. WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=STEP100 1 DEF POS TARG 1.930, 1.729 07 CUM (399.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 4 G028.37+00. WFC3/IR MULTIAC IR F164N NSAMP=10, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 07 CUM (452.936 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 G028.37+00. WFC3/IR MULTIAC IR F110W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG -1.930, -1.729 07 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 G028.37+00. WFC3/IR MULTIAC IR F110W NSAMP=9, SAMP-SEQ=STEP50 1 DEF POS TARG 1.930, 1.729 07 CUM (199.232 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 G028.37+00. WFC3/IR MULTIAC IR F160W NSAMP=5, SAMP-SEQ=SPARS50 1 DEF POS TARG 1.930, 1.729 07 CUM (202.934 S) ------------------------------------------------------------------------------------------------------------------------------------ 8 G028.37+00. WFC3/IR MULTIAC IR F160W NSAMP=8, SAMP-SEQ=STEP50 1 DEF POS TARG -1.930, -1.729 07 CUM (149.231 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 | ------------------------------------------------------------------------------------------------------------------------------------ G028.37+00.07 1 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM G028.37+00.07 2 WFC3/IR MULTIAC IR F128N none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 10] 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 | ------------------------------------------------------------------------------------------------------------------------------------ G028.37+00.07 3 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G028.37+00.07 4 WFC3/IR MULTIAC IR F164N none none none none 1 N/A CUM G028.37+00.07 5 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G028.37+00.07 6 WFC3/IR MULTIAC IR F110W none none none none 1 N/A CUM G028.37+00.07 7 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM G028.37+00.07 8 WFC3/IR MULTIAC IR F160W none none none none 1 N/A CUM 14494( 4) - 02-Nov-2016 20:02:15 - [ 11] Summary Form for Proposal 14494 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR ------------------------------------------------------------------------------------------------------------------------------------ Opmodes MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters NSAMP=10, NSAMP=5, NSAMP=8, NSAMP=9, SAMP-SEQ=SPARS50, SAMP-SEQ=STEP100, SAMP-SEQ=STEP50 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements POS TARG -1.930, -1.729, POS TARG 1.930, 1.729 ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F110W, F128N, F160W, F164N ------------------------------------------------------------------------------------------------------------------------------------ Target Names G028.37+00.07, G032.03+00.05, G045.47+0.05 ------------------------------------------------------------------------------------------------------------------------------------