17302( 2) - 10-Apr-2023 14:22:49 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17302 Version: 2 Check-in Time: 10-Apr-2023 14:22:49 STScI Edit Number: 0 Title Mapping the Debris of Comet 96P/Machholz ------------------------------------------------------------------------------------ Type Cycle GO 30 ------------------------------------------------------------------------------------ Investigators Contact? PI: Qicheng Zhang California Institute of Technology Y CoI: Dr. Matthew M Knight United States Naval Academy N CoI: Dr. Quanzhi Ye University of Maryland N CoI: Dr. Karl Battams Naval Research Laboratory N ------------------------------------------------------------------------------------ Abstract Periodic sunskirting comet 96P/Machholz is the largest surviving member of a vast fragmentation complex spanning a few dozen near-Earth objects and meteoroid streams responsible for 3 major annual meteor showers on Earth. Observations by SOHO's LASCO coronagraphs show 96P's fragmentation to be ongoing, finding the comet to be accompanied by a dense trail of fragments/debris during its 2012 apparition, again one orbit later in 2017, and recently for the third time in 2023 January. However, SOHO can only see gas (largely sodium) and, to a lesser extent, dust released by the fragments, and not the actual solid bodies. This limitation hinders accurate size/mass estimates of these fragments, and indeed of any active "comet" SOHO observes, since a small but highly active fragment/comet can appear similar to a large but less active one. We propose to address this shortcoming by using HST's WFC3/UVIS to map the fragments along the debris trail while they are largely inactive away from the Sun, taking advantage of favorable geometry in late 2023 June that enables highly efficient observations. Parallel ACS/WFC observations will further enhance sensitivity to potential new fragments unseen by SOHO. The results will provide a translation between physical size and SOHO-observed activity to constrain the physical properties of these and the many similar cometary fragments seen by SOHO, and enable quantitative evaluation of the ongoing formation/evolution of 96P's fragmentation complex. ------------------------------------------------------------------------------------ Observations Description ------------------------ We request 7 orbits to image the orbital track of 96P/Machholz with WFC3/UVIS around 2023 June 23.5 +/- 3.0. These 7 orbits target different points along the orbit, centered (1) 1 hour behind, (2) 3 hours ahead, (3) 7 hours ahead, (4) 11 hours ahead, (5) 15 hours ahead, (6) 30 hours ahead, and (7) 34 hours ahead of 96P. The precise targeted positions are set by the orbital elements of 96P for its 2023 apparition with the time of perihelion adjusted by the respective timing offsets. We use the following osculating orbital elements for 96P at epoch 2023 February 25.0 from MPEC 2023-G31: q = 0.1164278 au e = 0.9615855 i = 57.50263 deg O = 93.95363 deg 17302( 2) - 10-Apr-2023 14:22:49 - [ 2] w = 14.74900 deg T = 2023-01-31 02:01:44 Aside from pointing, the 7 orbits are identical with 5 full frame exposures of ~350 s through the F350LP filter, dithered to cover the interchip gap and improve robustness to detector defects. Additionally, 5 parallel exposures will be taken alongside the primary exposures using ACS/WFC through the F606W filter, of which, the first 4 frames are limited to the WFC1A-2K subarray by buffer dump requirements. Parallel exposures are intended to sample portions of space arbitrarily offset from the 96P orbit by the WFC3-ACS sky separation and do not impose further constraints on spacecraft roll. Gyro bias updates are not needed during the requested orbits, as they do not need to be consecutive. ------------------------------------------------------------------------------------ 17302( 2) - 10-Apr-2023 14:22:49 - [ 3] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 1 TARGET NAME: 96P-FIELD1 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 1 hour behind 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=31-JAN-2023:03:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 1 hour later Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 2 TARGET NAME: 96P-FIELD2 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 3 hours ahead of 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=30-JAN-2023:23:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 3 hours earlier Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 17302( 2) - 10-Apr-2023 14:22:49 - [ 4] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 3 TARGET NAME: 96P-FIELD3 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 7 hours ahead of 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=30-JAN-2023:19:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 7 hours earlier Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 4 TARGET NAME: 96P-FIELD4 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 11 hours ahead of 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=30-JAN-2023:15:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 11 hours earlier Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 17302( 2) - 10-Apr-2023 14:22:49 - [ 5] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 5 TARGET NAME: 96P-FIELD5 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 15 hours ahead of 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=30-JAN-2023:11:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 15 hours earlier Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 6 TARGET NAME: 96P-FIELD6 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 30 hours ahead of 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=29-JAN-2023:20:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 30 hours earlier Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 17302( 2) - 10-Apr-2023 14:22:49 - [ 6] TARGET LIST Solar System Targets ------------------------------------------------------------------------------------------------------------------------------------ TARGET NUMBER: 7 TARGET NAME: 96P-FIELD7 ------------------------------------------------------------------------------------------------------------------------------------ TARGET DESCRIPTION: COMET 34 hours ahead of 96P ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 1 TARGET POSITION LEVEL 2 TYPE=COMET, Q=0.1164278, E=0.9615855, I=57.50263, O=93.95363, W=14.74900, T=29-JAN-2023:16:01:44, TTimeScale=TDB, EQUINOX=J2000, EPOCH=25-FEB-2023:00:00:00, EpochTimeScale=TDB ------------------------------------------------------------------------------------------------------------------------------------ TARGET POSITION LEVEL 3 WINDOWS ------------------------------------------------------------------------------------------------------------------------------------ DATA COMMENTS V = 27 Using 96P orbit with time of perihelion adjusted 34 hours earlier Ephemeris Center: EARTH ------------------------------------------------------------------------------------------------------------------------------------ 17302( 2) - 10-Apr-2023 14:22:49 - [ 7] Visit: 01 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD1 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD1 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD1 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD1 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD1 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD1 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD1 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD1 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD1 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD1 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD1 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD1 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD1 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD1 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD1 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD1 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD1 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD1 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD1 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD1 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 9] Visit: 02 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD2 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD2 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD2 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD2 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD2 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD2 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD2 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD2 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD2 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD2 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD2 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD2 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD2 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD2 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD2 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD2 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD2 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD2 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD2 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD2 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 11] Visit: 03 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD3 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD3 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD3 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD3 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD3 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD3 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD3 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD3 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD3 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD3 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD3 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD3 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD3 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 12] 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD3 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD3 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD3 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD3 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD3 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD3 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD3 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 13] Visit: 04 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD4 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD4 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD4 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD4 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD4 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD4 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD4 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD4 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD4 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD4 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD4 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD4 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD4 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 14] 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD4 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD4 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD4 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD4 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD4 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD4 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD4 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 15] Visit: 05 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD5 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD5 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD5 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD5 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD5 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD5 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD5 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD5 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD5 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD5 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD5 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD5 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD5 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 16] 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD5 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD5 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD5 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD5 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD5 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD5 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD5 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 17] Visit: 06 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 25-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD6 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD6 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD6 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD6 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD6 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD6 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD6 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD6 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD6 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD6 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD6 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD6 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD6 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 18] 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD6 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD6 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD6 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD6 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD6 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD6 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD6 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 19] Visit: 07 Visit Requirements: SCHED 80%; BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00; VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET 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 96P-FIELD7 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 PAR 2 WITH 1 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 96P-FIELD7 ACS/WFC ACCUM WFC1A-2K F606W 1 291 S (291 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 96P-FIELD7 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.1, 1.4; PAR 4 S ER S) WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 96P-FIELD7 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 96P-FIELD7 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG -0.1, -1.4; PAR S ER S) 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 96P-FIELD7 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 96P-FIELD7 WFC3/UVI ACCUM UVIS-CENT F350LP 1 352 S (352 POS TARG 0.2, -2.8; PAR S ER S) 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 96P-FIELD7 ACS/WFC ACCUM WFC1A-2K F606W 1 341 S (341 S) ------------------------------------------------------------------------------------------------------------------------------------ 9 96P-FIELD7 WFC3/UVI ACCUM UVIS-CENT F350LP 1 351 S (351 POS TARG -0.2, 2.8; PAR S ER S) 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 96P-FIELD7 ACS/WFC ACCUM WFC F606W 1 340 S (340 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD7 1 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD7 2 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD7 3 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 17302( 2) - 10-Apr-2023 14:22:49 - [ 20] 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 | ------------------------------------------------------------------------------------------------------------------------------------ 96P-FIELD7 4 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD7 5 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD7 6 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD7 7 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD7 8 ACS/WFC ACCUM WFC1A-2K F606W none none none none 1 N/A 96P-FIELD7 9 WFC3/UVI ACCUM UVIS-CEN F350LP none none none none 1 N/A S TER 96P-FIELD7 10 ACS/WFC ACCUM WFC F606W none none none none 1 N/A 17302( 2) - 10-Apr-2023 14:22:49 - [ 21] Summary Form for Proposal 17302 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER, WFC, WFC1A-2K ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BETWEEN 20-JUN-2023:12:00:00 AND 25-JUN-2023:12:00:00, BETWEEN 20-JUN-2023:12:00:00 AND 26-JUN-2023:12:00:00, PAR 10 WITH 9, PAR 2 WITH 1, PAR 4 WITH 3, PAR 6 WITH 5, PAR 8 WITH 7, POS TARG -0.1, -1.4, POS TARG -0.2, 2.8, POS TARG 0.1, 1.4, POS TARG 0.2, -2.8, SCHED 80%, VISIBILITY INTERVAL NO GYRO BIAS UPDATE ON MOVING TARGET ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F350LP, F606W ------------------------------------------------------------------------------------------------------------------------------------ Target Names 96P-FIELD1, 96P-FIELD2, 96P-FIELD3, 96P-FIELD4, 96P-FIELD5, 96P-FIELD6, 96P-FIELD7 ------------------------------------------------------------------------------------------------------------------------------------