17398( 8) - 12-Dec-2023 15:44:18 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17398 Version: 8 Check-in Time: 12-Dec-2023 15:44:18 STScI Edit Number: 2 Title Narrowband Imaging of M76 ------------------------------------------------------------------------------------ Type Cycle GO/DD 30 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Christopher Britt Space Telescope Science Institute Y CoI: Max Mutchler Space Telescope Science Institute Y CoI: Varun Bajaj Space Telescope Science Institute Y CoI: John Maple Space Telescope Science Institute N CoI: Joseph DePasquale Space Telescope Science Institute N CoI: Alyssa Pagan Space Telescope Science Institute N CoI: Christine Pulliam Space Telescope Science Institute N CoI: Ray Villard Space Telescope Science Institute N CoI: Dr. Emma Marcucci Space Telescope Science Institute N CoI: Elizabeth Rafferty Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract We propose to take deep narrowband imaging of the Little Dumbbell Nebula, M76. Deep H-alpha, [NII], and [OIII] images in F656N, F658N, and F502N will sample different density and temperature regions within the nebula. ------------------------------------------------------------------------------------ Observations Description ------------------------ We will obtain high signal-to-noise imaging of planetary nebula M76. We propose a 1x2 mosaic of WFC3 pointings at an orient of 145 degrees. We employ a 3-point stretched gap dither pattern which fills the chip gaps, expands the field a bit, and also mitigates scattered light concerns from the somewhat crowded star field. With 6 orbits per pointing and 2 mosaic tiles, we request 12 orbits. We include deep narrowband imaging with filters that isolate key emission bands for planetary nebulae: F502N for [O III], F656N for H/alpha, and F658N for [N II] which is quite strong in M76. We also include short exposures with broadband B and I filters (F475W, F814W) for star colors, continuum subtraction, and overall archival value. For each of the two tiles we employ a three point stretch dither, with each dither point also utilizing a two point chip gap dither, to ensure evenness of coverage over the imaged area. M76 extends over a 2.7 x 1.8 arcmin area, with the brightest region being a central stripe with two fainter lobes extending to the side. For our chosen dither pattern, and using the WFC3/UVIS Exposure Time Calculator with the planetary nebula spectrum from Kwitter & Henry, 1996, we can achieve a signal-to-noise ratio of > 50 for each resolution element in 2 orbits per tile for the filters F656N, F658N, and F502N for even the fainter lobes of the nebula. We can obtain 2-color short broadband imaging in F475W and F814W at the beginning and end of orbits. These short exposures can be added to the beginning and end of the visits for longer exposures. This target is schedulable in late November 2023 at the desired orient. In the event of any failed observation the target remains schedulable for repeat observations through late February 2024, 17398( 8) - 12-Dec-2023 15:44:18 - [ 2] although at somewhat less-desirable orientations. Scheduling as early as possible is ideal, so we have submitted the orient that is available earliest. We stress that 90 deg orientations are possible and more widely schedulable at later times. ------------------------------------------------------------------------------------ 17398( 8) - 12-Dec-2023 15:44:18 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 M-76 EXT-STAR, EMISSION LINE RA=01H42M19.5714S, J2000 V = 17.48 NEBULA, PLANETARY DEC=+51D34'29.97" NEBULA CENTRAL STAR Reference Frame: Other: SIMBAD Extended: YES Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2000 2.7739796199704314E-4 -0.0029590000849566422 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 17398( 8) - 12-Dec-2023 15:44:18 - [ 4] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 5 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-GAP-LINE Pattern_Purpose MOSAIC Number_Of_Points 2 Point_Spacing 2.414 Line_Spacing Coordinate_Frame POS-TARG Pattern_Orient 85.759 Angle_Between_Sides Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ 17398( 8) - 12-Dec-2023 15:44:18 - [ 5] Visit: 07 Visit Requirements: SCHED 30%; ORIENT 65.0D TO 80.0 D; BEFORE 28-FEB-2024:00:00:00 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 M-76 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=16 1 55 S (110 POS TARG S ER S) -16.345528328050165, -84.0; PATTERN 5 1-5 ------------------------------------------------------------------------------------------------------------------------------------ 2 M-76 WFC3/UVI ACCUM UVIS-CENT F656N FLASH=18 1 970 S POS TARG S ER (1940 S) -16.345528328050165, -84.0 ------------------------------------------------------------------------------------------------------------------------------------ 3 M-76 WFC3/UVI ACCUM UVIS-CENT F502N FLASH=18 1 580 S POS TARG S ER (1160 S) -16.345528328050165, -84.0 ------------------------------------------------------------------------------------------------------------------------------------ 4 M-76 WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 490 S (980 POS TARG S ER S) -16.345528328050165, -84.0 ------------------------------------------------------------------------------------------------------------------------------------ 5 M-76 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=16 1 50 S (100 POS TARG S ER S) -16.345528328050165, -84.0 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 1 none none none 1 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 2 none none none 2 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 1 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 1 none none none 1 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 7] Visit: 08 Visit Requirements: SCHED 30%; SAME ORIENT AS 07; BEFORE 28-FEB-2024:00:00:00 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 M-76 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=16 1 55 S (110 POS TARG 0.0, S ER S) -78.60321000000002; PATTERN 5 1-5 ------------------------------------------------------------------------------------------------------------------------------------ 2 M-76 WFC3/UVI ACCUM UVIS-CENT F656N FLASH=18 1 970 S POS TARG 0.0, S ER (1940 S) -78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 3 M-76 WFC3/UVI ACCUM UVIS-CENT F502N FLASH=18 1 580 S POS TARG 0.0, S ER (1160 S) -78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 4 M-76 WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 490 S (980 POS TARG 0.0, S ER S) -78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 5 M-76 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=16 1 50 S (100 POS TARG 0.0, S ER S) -78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 1 none none none 1 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 2 none none none 2 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 1 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 1 none none none 1 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 2 none none none 2 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 8] Visit: 09 Visit Requirements: SCHED 30%; SAME ORIENT AS 07; BEFORE 28-FEB-2024:00:00:00 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 M-76 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=16 1 55 S (110 POS TARG S ER S) 16.345528328050165, -73.2021931448713; PATTERN 5 1-5 ------------------------------------------------------------------------------------------------------------------------------------ 2 M-76 WFC3/UVI ACCUM UVIS-CENT F656N FLASH=18 1 970 S POS TARG S ER (1940 S) 16.345528328050165, -73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 3 M-76 WFC3/UVI ACCUM UVIS-CENT F502N FLASH=18 1 580 S POS TARG S ER (1160 S) 16.345528328050165, -73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 4 M-76 WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 490 S (980 POS TARG S ER S) 16.345528328050165, -73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 5 M-76 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=16 1 50 S (100 POS TARG S ER S) 16.345528328050165, -73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 1 none none none 1 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 2 none none none 2 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 1 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 1 none none none 1 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 9] 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 2 none none none 2 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 10] Visit: 10 Visit Requirements: SCHED 30%; SAME ORIENT AS 07; BEFORE 28-FEB-2024:00:00:00 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 M-76 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=16 1 55 S (110 POS TARG S ER S) -16.345528328050165, 73.2021931448713; PATTERN 5 1-5 ------------------------------------------------------------------------------------------------------------------------------------ 2 M-76 WFC3/UVI ACCUM UVIS-CENT F656N FLASH=18 1 970 S POS TARG S ER (1940 S) -16.345528328050165, 73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 3 M-76 WFC3/UVI ACCUM UVIS-CENT F502N FLASH=18 1 580 S POS TARG S ER (1160 S) -16.345528328050165, 73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 4 M-76 WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 490 S (980 POS TARG S ER S) -16.345528328050165, 73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 5 M-76 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=16 1 50 S (100 POS TARG S ER S) -16.345528328050165, 73.2021931448713 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 1 none none none 1 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 2 none none none 2 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 1 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 1 none none none 1 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 11] 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 2 none none none 2 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 12] Visit: 11 Visit Requirements: SCHED 30%; SAME ORIENT AS 07; BEFORE 28-FEB-2024:00:00:00 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 M-76 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=16 1 55 S (110 POS TARG 0.0, S ER S) 78.60321000000002; PATTERN 5 1-5 ------------------------------------------------------------------------------------------------------------------------------------ 2 M-76 WFC3/UVI ACCUM UVIS-CENT F656N FLASH=18 1 970 S POS TARG 0.0, S ER (1940 S) 78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 3 M-76 WFC3/UVI ACCUM UVIS-CENT F502N FLASH=18 1 580 S POS TARG 0.0, S ER (1160 S) 78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 4 M-76 WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 490 S (980 POS TARG 0.0, S ER S) 78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 5 M-76 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=16 1 50 S (100 POS TARG 0.0, S ER S) 78.60321000000002 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 1 none none none 1 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 2 none none none 2 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 1 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 1 none none none 1 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 2 none none none 2 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 13] Visit: 12 Visit Requirements: SCHED 30%; SAME ORIENT AS 07; BEFORE 28-FEB-2024:00:00:00 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 M-76 WFC3/UVI ACCUM UVIS-CENT F475W FLASH=16 1 55 S (110 POS TARG S ER S) 16.345528328050165, 84.0; PATTERN 5 1-5 ------------------------------------------------------------------------------------------------------------------------------------ 2 M-76 WFC3/UVI ACCUM UVIS-CENT F656N FLASH=18 1 970 S POS TARG S ER (1940 S) 16.345528328050165, 84.0 ------------------------------------------------------------------------------------------------------------------------------------ 3 M-76 WFC3/UVI ACCUM UVIS-CENT F502N FLASH=18 1 580 S POS TARG S ER (1160 S) 16.345528328050165, 84.0 ------------------------------------------------------------------------------------------------------------------------------------ 4 M-76 WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 490 S (980 POS TARG S ER S) 16.345528328050165, 84.0 ------------------------------------------------------------------------------------------------------------------------------------ 5 M-76 WFC3/UVI ACCUM UVIS-CENT F814W FLASH=16 1 50 S (100 POS TARG S ER S) 16.345528328050165, 84.0 ------------------------------------------------------------------------------------------------------------------------------------ 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 | ------------------------------------------------------------------------------------------------------------------------------------ M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 1 none none none 1 N/A S TER M-76 1 WFC3/UVI ACCUM UVIS-CEN F475W 2 none none none 2 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 1 none none none 1 N/A S TER M-76 2 WFC3/UVI ACCUM UVIS-CEN F656N 2 none none none 2 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 1 none none none 1 N/A S TER M-76 3 WFC3/UVI ACCUM UVIS-CEN F502N 2 none none none 2 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 1 none none none 1 N/A S TER M-76 4 WFC3/UVI ACCUM UVIS-CEN F658N 2 none none none 2 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 1 none none none 1 N/A S TER M-76 5 WFC3/UVI ACCUM UVIS-CEN F814W 2 none none none 2 N/A S TER 17398( 8) - 12-Dec-2023 15:44:18 - [ 14] Summary Form for Proposal 17398 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=16, FLASH=18 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BEFORE 28-FEB-2024:00:00:00, ORIENT 65.0D TO 80.0 D, PATTERN 5 1-5, POS TARG -16.345528328050165, -84.0, POS TARG -16.345528328050165, 73.2021931448713, POS TARG 0.0, -78.60321000000002, POS TARG 0.0, 78.60321000000002, POS TARG 16.345528328050165, -73.2021931448713, POS TARG 16.345528328050165, 84.0, SAME ORIENT AS 07, SCHED 30% ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F475W, F502N, F656N, F658N, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names M-76 ------------------------------------------------------------------------------------------------------------------------------------