15930( 6) - 12-Dec-2019 16:04:12 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 15930 Version: 6 Check-in Time: 12-Dec-2019 16:04:12 STScI Edit Number: 0 Title Cold Dark Matter and the GD-1 Stellar Stream ------------------------------------------------------------------------------------ Type Cycle GO 27 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Ana Bonaca Harvard University Y CoI: Dr. Nitya Kallivayalil The University of Virginia N CoI: Prof. Charlie Conroy Harvard University N CoI: Dr. David W. Hogg New York University N CoI: Dr. Adrian Price-Whelan Princeton University N CoI: Dr. Sangmo Tony Sohn Space Telescope Science Institute Y CoI: Dr. Roeland P. van der Marel Space Telescope Science Institute N ------------------------------------------------------------------------------------ Abstract We propose to use HST to characterize a dark-matter subhalo in the Milky Way. Tidally disrupted globular clusters create thin and kinematically cold stellar streams that are extremely sensitive to any gravitational perturbation. Orbiting in the Milky Way halo, these streams provide a unique opportunity to test for the presence of perturbing dark-matter subhalos. Gaps discovered along streams provide tentative evidence for dark matter influence, but their origin remains uncertain as stream gaps alone can be due to baryonic effects as well. Recently, Gaia observations of the GD-1 stellar stream have revealed a spur of stars associated with one of the gaps in the stream. Such features naturally arise when a stream encounters a massive perturber, and have a unique 3D kinematic signature. We propose here to measure precise proper motions in the perturbed region of GD-1. We will target eight fields with ACS/WFC and parallel-observe with WFC3/UVIS in two epochs. Proper motion accuracies near 3 km/s will be achieved by measuring the relative motion between stream stars and background galaxies using established techniques that have already been successfully applied to other objects in the Local Group (e.g., LMC/SMC, Leo I, M31, Sgr and Lethe streams). A passing subhalo is expected to introduce differences in tangential velocity between the stream and the spur, and our data will have the precision to resolve these kinematic offsets. Our results will definitively establish whether GD-1 features are a signature of a dark matter subhalo. If HST confirms the subhalo origin of the gap, it will measure the physical properties of the subhalo and rule out all reasonable alternatives. ------------------------------------------------------------------------------------ Observations Description ------------------------ The ultimate goal of this multi-cycle program is to obtain sets of images separated by 2~3 years in time for measuring absolute proper motions of individual stars along the GD-1 stellar stream. In the Cycle 27 (this program), we will image 8 primary ACS/WFC + 8 parallel WFC3/UVIS = 16 fields in total. Each primary ACS/WFC field location was carefully chosen to target the densest region of the stream. Accordingly, our parallel WFC3/UVIS field locations were placed along the stream using the Visit Orientation special requirements. Each visit consists of 4 orbits, i.e., 3 orbits of F606W and 1 visit of F814W 15930( 6) - 12-Dec-2019 16:04:12 - [ 2] observations. Each F814W orbit consists of 1 short + 3 long exposures, and each F606W orbit consists of 1 short + 2 long exposures. The multband data will be used for constructing color-magnitude diagrams (CMDs) that will help identify the GD-1 stream members. To maximize the time baseline of the two cycles, we request all of our visits to be observed in the earlier period of Cycle 27 using the BEFORE Visit Timing Requirements. For all visits, we have also increased the SCHEDULEABILITY to 70 to allow wider observable windows. ------------------------------------------------------------------------------------ 15930( 6) - 12-Dec-2019 16:04:12 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 SPUR1 STELLAR CLUSTER, RA=10H15M34.7697S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+42D24'43.36" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 2 SPUR2 STELLAR CLUSTER, RA=10H15M17.9579S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+42D26'36.70" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 3 SPUR3 STELLAR CLUSTER, RA=10H15M35.6103S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+42D28'1.36" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 4 SPUR4 STELLAR CLUSTER, RA=10H15M18.4202S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+42D29'53.64" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAME1 STELLAR CLUSTER, RA=10H23M28.9979S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+42D10'53.66" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 6 STREAME2 STELLAR CLUSTER, RA=10H23M44.6911S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+42D09'42.91" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAMW1 STELLAR CLUSTER, RA=09H36M59.0668S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+30D16'20.36" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 8 STREAMW2 STELLAR CLUSTER, RA=09H36M43.8271S, J2000 V = 20.0 GLOBULAR CLUSTER, TIDAL DEC=+30D17'18.11" TAIL Reference Frame: ICRS Extended: NO ------------------------------------------------------------------------------------------------------------------------------------ 15930( 6) - 12-Dec-2019 16:04:12 - [ 4] Visit: 01 (SPUR1) Visit Requirements: SCHED 70%; ORIENT 180D TO 186 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for SPUR1 target field. This visit consists of 4 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while orbits 2-4 are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 SPUR1 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SPUR1 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SPUR1 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SPUR1 ACS/WFC ACCUM WFC F814W 1 615 S (615 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 SPUR1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 5] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 SPUR1 ACS/WFC ACCUM WFC F606W 1 1064 S POS TARG 0.0000, 0.0000; (1064 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 SPUR1 ACS/WFC ACCUM WFC F606W 1 1063 S POS TARG 0.1647, 0.0124; (1063 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 SPUR1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 15-20 NON-INT; PAR 16 WITH 15 ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17 SPUR1 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.3293, 0.0248; (1091 S) PAR 18 WITH 17 ------------------------------------------------------------------------------------------------------------------------------------ 18 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 SPUR1 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.0747, 0.1294; (1091 S) PAR 20 WITH 19 ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 SPUR1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 21-26 NON-INT; PAR 22 WITH 21 ------------------------------------------------------------------------------------------------------------------------------------ 22 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 23 SPUR1 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.2393, 0.1418; (1091 S) PAR 24 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 SPUR1 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.4039, 0.1541; (1091 S) PAR 26 WITH 25 15930( 6) - 12-Dec-2019 16:04:12 - [ 6] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPUR1 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR1 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR1 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR1 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR1 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR1 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR1 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR1 15 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 16 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR1 17 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 18 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR1 19 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 20 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR1 21 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 22 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR1 23 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 24 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR1 25 ACS/WFC ACCUM WFC F606W none none none none 4 N/A 15930( 6) - 12-Dec-2019 16:04:12 - [ 7] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 26 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 8] Visit: 02 (SPUR2) Visit Requirements: SCHED 70%; ORIENT 180D TO 186 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for SPUR2 target field. This visit consists of 4 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while orbits 2-4 are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 SPUR2 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SPUR2 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SPUR2 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SPUR2 ACS/WFC ACCUM WFC F814W 1 615 S (615 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 SPUR2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 9] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 SPUR2 ACS/WFC ACCUM WFC F606W 1 1064 S POS TARG 0.0000, 0.0000; (1064 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 SPUR2 ACS/WFC ACCUM WFC F606W 1 1063 S POS TARG 0.1647, 0.0124; (1063 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 SPUR2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 15-20 NON-INT; PAR 16 WITH 15 ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17 SPUR2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.3293, 0.0248; (1091 S) PAR 18 WITH 17 ------------------------------------------------------------------------------------------------------------------------------------ 18 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 SPUR2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.0747, 0.1294; (1091 S) PAR 20 WITH 19 ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 SPUR2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 21-26 NON-INT; PAR 22 WITH 21 ------------------------------------------------------------------------------------------------------------------------------------ 22 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 23 SPUR2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.2393, 0.1418; (1091 S) PAR 24 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY WFC3/UVI ACCUM UVIS F606W 1 1100 S S (1100 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 SPUR2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.4039, 0.1541; (1091 S) PAR 26 WITH 25 15930( 6) - 12-Dec-2019 16:04:12 - [ 10] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY WFC3/UVI ACCUM UVIS F606W 1 1100 S S (1100 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPUR2 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR2 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR2 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR2 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR2 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR2 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR2 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR2 15 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 16 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR2 17 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 18 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR2 19 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 20 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR2 21 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 22 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR2 23 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 24 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR2 25 ACS/WFC ACCUM WFC F606W none none none none 4 N/A 15930( 6) - 12-Dec-2019 16:04:12 - [ 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 26 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 12] Visit: 03 (SPUR3) Visit Requirements: SCHED 70%; ORIENT 180D TO 186 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for SPUR3 target field. This visit consists of 4 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while orbits 2-4 are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 SPUR3 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SPUR3 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SPUR3 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SPUR3 ACS/WFC ACCUM WFC F814W 1 615 S (615 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 SPUR3 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 13] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 SPUR3 ACS/WFC ACCUM WFC F606W 1 1064 S POS TARG 0.0000, 0.0000; (1064 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 SPUR3 ACS/WFC ACCUM WFC F606W 1 1063 S POS TARG 0.1647, 0.0124; (1063 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1080 S S (1080 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 SPUR3 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 15-20 NON-INT; PAR 16 WITH 15 ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17 SPUR3 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.3293, 0.0248; (1091 S) PAR 18 WITH 17 ------------------------------------------------------------------------------------------------------------------------------------ 18 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 SPUR3 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.0747, 0.1294; (1091 S) PAR 20 WITH 19 ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 SPUR3 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 21-26 NON-INT; PAR 22 WITH 21 ------------------------------------------------------------------------------------------------------------------------------------ 22 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 23 SPUR3 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.2393, 0.1418; (1091 S) PAR 24 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 SPUR3 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.4039, 0.1541; (1091 S) PAR 26 WITH 25 15930( 6) - 12-Dec-2019 16:04:12 - [ 14] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPUR3 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR3 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR3 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR3 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR3 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR3 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR3 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR3 15 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 16 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR3 17 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 18 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR3 19 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 20 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR3 21 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 22 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR3 23 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 24 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR3 25 ACS/WFC ACCUM WFC F606W none none none none 4 N/A 15930( 6) - 12-Dec-2019 16:04:12 - [ 15] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 26 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 16] Visit: 04 (SPUR4) Visit Requirements: SCHED 70%; ORIENT 180D TO 186 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for SPUR4 target field. This visit consists of 4 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while orbits 2-4 are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 SPUR4 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10.0 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 SPUR4 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 SPUR4 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 SPUR4 ACS/WFC ACCUM WFC F814W 1 615 S (615 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 SPUR4 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 17] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 SPUR4 ACS/WFC ACCUM WFC F606W 1 1064 S POS TARG 0.0000, 0.0000; (1064 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 SPUR4 ACS/WFC ACCUM WFC F606W 1 1063 S POS TARG 0.1647, 0.0124; (1063 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 SPUR4 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 15-20 NON-INT; PAR 16 WITH 15 ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17 SPUR4 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.3293, 0.0248; (1091 S) PAR 18 WITH 17 ------------------------------------------------------------------------------------------------------------------------------------ 18 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 SPUR4 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.0747, 0.1294; (1091 S) PAR 20 WITH 19 ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 SPUR4 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 21-26 NON-INT; PAR 22 WITH 21 ------------------------------------------------------------------------------------------------------------------------------------ 22 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 23 SPUR4 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.2393, 0.1418; (1091 S) PAR 24 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 SPUR4 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.4039, 0.1541; (1091 S) PAR 26 WITH 25 15930( 6) - 12-Dec-2019 16:04:12 - [ 18] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ SPUR4 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR4 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR4 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR4 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S SPUR4 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR4 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR4 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S SPUR4 15 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 16 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR4 17 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 18 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR4 19 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 20 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S SPUR4 21 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 22 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR4 23 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 24 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S SPUR4 25 ACS/WFC ACCUM WFC F606W none none none none 4 N/A 15930( 6) - 12-Dec-2019 16:04:12 - [ 19] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 26 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 20] Visit: 06 (STREAME2) Visit Requirements: SCHED 70%; ORIENT 180D TO 186 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for STREAME2 target field. This visit consists of 4 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while orbits 2-4 are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 STREAME2 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10.0 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 STREAME2 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAME2 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAME2 ACS/WFC ACCUM WFC F814W 1 615 S (615 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 STREAME2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 21] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 STREAME2 ACS/WFC ACCUM WFC F606W 1 1064 S POS TARG 0.0000, 0.0000; (1064 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 STREAME2 ACS/WFC ACCUM WFC F606W 1 1063 S POS TARG 0.1647, 0.0124; (1063 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 STREAME2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 15-20 NON-INT; PAR 16 WITH 15 ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17 STREAME2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.3293, 0.0248; (1091 S) PAR 18 WITH 17 ------------------------------------------------------------------------------------------------------------------------------------ 18 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 STREAME2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.0747, 0.1294; (1091 S) PAR 20 WITH 19 ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 STREAME2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 21-26 NON-INT; PAR 22 WITH 21 ------------------------------------------------------------------------------------------------------------------------------------ 22 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 23 STREAME2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.2393, 0.1418; (1091 S) PAR 24 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 STREAME2 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.4039, 0.1541; (1091 S) PAR 26 WITH 25 15930( 6) - 12-Dec-2019 16:04:12 - [ 22] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ STREAME2 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME2 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME2 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME2 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME2 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME2 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME2 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME2 15 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 16 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S STREAME2 17 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 18 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S STREAME2 19 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 20 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S STREAME2 21 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 22 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S STREAME2 23 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 24 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S STREAME2 25 ACS/WFC ACCUM WFC F606W none none none none 4 N/A 15930( 6) - 12-Dec-2019 16:04:12 - [ 23] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 26 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 24] Visit: 07 (STREAMW1) Visit Requirements: SCHED 70%; ORIENT 171D TO 177 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for STREAMW1 target field. This visit consists of 4 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while orbits 2-4 are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 STREAMW1 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10.0 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 STREAMW1 ACS/WFC ACCUM WFC F814W 1 635 S (635 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAMW1 ACS/WFC ACCUM WFC F814W 1 634 S (634 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 697 S (697 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAMW1 ACS/WFC ACCUM WFC F814W 1 600 S (600 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 690 S (690 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 STREAMW1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 25] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 STREAMW1 ACS/WFC ACCUM WFC F606W 1 1056 S POS TARG 0.0000, 0.0000; (1056 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 STREAMW1 ACS/WFC ACCUM WFC F606W 1 1055 S POS TARG 0.1647, 0.0124; (1055 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15 STREAMW1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 15-20 NON-INT; PAR 16 WITH 15 ------------------------------------------------------------------------------------------------------------------------------------ 16 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 17 STREAMW1 ACS/WFC ACCUM WFC F606W 1 1083 S POS TARG 0.3293, 0.0248; (1083 S) PAR 18 WITH 17 ------------------------------------------------------------------------------------------------------------------------------------ 18 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 19 STREAMW1 ACS/WFC ACCUM WFC F606W 1 1083 S POS TARG 0.0747, 0.1294; (1083 S) PAR 20 WITH 19 ------------------------------------------------------------------------------------------------------------------------------------ 20 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 21 STREAMW1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 21-26 NON-INT; PAR 22 WITH 21 ------------------------------------------------------------------------------------------------------------------------------------ 22 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 23 STREAMW1 ACS/WFC ACCUM WFC F606W 1 1083 S POS TARG 0.2393, 0.1418; (1083 S) PAR 24 WITH 23 ------------------------------------------------------------------------------------------------------------------------------------ 24 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 25 STREAMW1 ACS/WFC ACCUM WFC F606W 1 1083 S POS TARG 0.4039, 0.1541; (1083 S) PAR 26 WITH 25 15930( 6) - 12-Dec-2019 16:04:12 - [ 26] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 26 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ STREAMW1 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW1 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW1 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW1 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW1 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW1 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW1 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW1 15 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 16 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S STREAMW1 17 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 18 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S STREAMW1 19 ACS/WFC ACCUM WFC F606W none none none none 3 N/A ANY 20 WFC3/UVI ACCUM UVIS F606W none none none none 3 N/A S STREAMW1 21 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 22 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S STREAMW1 23 ACS/WFC ACCUM WFC F606W none none none none 4 N/A ANY 24 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S STREAMW1 25 ACS/WFC ACCUM WFC F606W none none none none 4 N/A 15930( 6) - 12-Dec-2019 16:04:12 - [ 27] 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 | ------------------------------------------------------------------------------------------------------------------------------------ ANY 26 WFC3/UVI ACCUM UVIS F606W none none none none 4 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 28] Visit: 51 (STREAME1-1) Visit Requirements: SCHED 70%; ORIENT 180D TO 186 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for STREAME1 target field. This visit consists of 2 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while the second orbit is for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 STREAME1 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10.0 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 STREAME1 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAME1 ACS/WFC ACCUM WFC F814W 1 646 S (646 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAME1 ACS/WFC ACCUM WFC F814W 1 615 S (615 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 STREAME1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 29] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 STREAME1 ACS/WFC ACCUM WFC F606W 1 1064 S POS TARG 0.0000, 0.0000; (1064 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 STREAME1 ACS/WFC ACCUM WFC F606W 1 1063 S POS TARG 0.1647, 0.0124; (1063 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ STREAME1 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME1 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME1 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME1 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAME1 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME1 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME1 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 30] Visit: 52 (STREAME1-2) Visit Requirements: SCHED 70%; SAME ORIENT AS 51; BEFORE 31-AUG-2020:00:00:00; GROUP 52, 51 WITHIN 30D On Hold Comments: Additional Comments: This is the visit for STREAME1 target field. This visit consists of 2 orbits. Both orbits are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 STREAME1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 1-6 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 STREAME1 ACS/WFC ACCUM WFC F606W 1 1034 S POS TARG 0.3293, 0.0248; (1034 S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAME1 ACS/WFC ACCUM WFC F606W 1 1035 S POS TARG 0.0747, 0.1294; (1035 S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAME1 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 7-12 NON-INT; PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 STREAME1 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.2393, 0.1418; (1091 S) PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15930( 6) - 12-Dec-2019 16:04:12 - [ 31] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 STREAME1 ACS/WFC ACCUM WFC F606W 1 1091 S POS TARG 0.4039, 0.1541; (1091 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ STREAME1 1 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S STREAME1 3 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S STREAME1 5 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S STREAME1 7 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 8 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME1 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAME1 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 32] Visit: 81 (STREAMW2-1) Visit Requirements: SCHED 70%; ORIENT 171D TO 177 D; BEFORE 31-AUG-2020:00:00:00 On Hold Comments: Additional Comments: This is the visit for STREAMW2 target field. This visit consists of 2 orbits. The first orbit is for obtaining F814W images for both the primary ACS/WFC + parallel WFC3/UVIS fields, while the second orbit is for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 STREAMW2 ACS/WFC ACCUM WFC F814W FLASH=25 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 1-8 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F814W FLASH=10.0 1 60 S (60 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 STREAMW2 ACS/WFC ACCUM WFC F814W 1 635 S (635 POS TARG 0.0000, 0.0000; S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F814W 1 698 S (698 S S) ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAMW2 ACS/WFC ACCUM WFC F814W 1 634 S (634 POS TARG 0.1647, 0.0124; S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F814W 1 697 S (697 S S) ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAMW2 ACS/WFC ACCUM WFC F814W 1 600 S (600 POS TARG 0.3293, 0.0248; S) PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F814W 1 600 S (600 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 STREAMW2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.0000, 0.0000; S) SEQ 9-14 NON-INT; PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) 15930( 6) - 12-Dec-2019 16:04:12 - [ 33] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------------------------------------------------------ 11 STREAMW2 ACS/WFC ACCUM WFC F606W 1 1056 S POS TARG 0.0000, 0.0000; (1056 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 13 STREAMW2 ACS/WFC ACCUM WFC F606W 1 1055 S POS TARG 0.1647, 0.0124; (1055 S) PAR 14 WITH 13 ------------------------------------------------------------------------------------------------------------------------------------ 14 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ STREAMW2 1 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW2 3 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW2 5 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW2 7 ACS/WFC ACCUM WFC F814W none none none none 1 N/A ANY 8 WFC3/UVI ACCUM UVIS F814W none none none none 1 N/A S STREAMW2 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW2 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW2 13 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 14 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 34] Visit: 82 (STREAMW2-2) Visit Requirements: SCHED 70%; SAME ORIENT AS 81; BEFORE 31-AUG-2020:00:00:00; GROUP 82, 81 WITHIN 30D On Hold Comments: Additional Comments: This is the visit for STREAMW2 target field. This visit consists of 2 orbits. Both orbits are for obtaining F606W images. We request specific orient ranges to position the primary+parallel fields parallel to the GD-1 stream which has a width of 0.5 deg FWHM. This will ensure that our target fields include as many GD-1 member stars as possible. Inidivual exposures will be dithered using a customized dither pattern designed for optimizing pixel-phase coverage via the POS TARG arguments. To fulfill our scientific goals, it is imperative to maxmimize the time baseline. We therefore added timing requirements so that the images are obtained as early in the cycle as possible. For this, we have also loosened the schedulability requirement to 70 to allow increased observable windows - the default schedulability would only allow 1~2 days of observable window, while our current schedulability allows about 12 days of windows. 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 STREAMW2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.3293, 0.0248; S) SEQ 1-6 NON-INT; PAR 2 WITH 1 ------------------------------------------------------------------------------------------------------------------------------------ 2 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 3 STREAMW2 ACS/WFC ACCUM WFC F606W 1 1027 S POS TARG 0.3293, 0.0248; (1027 S) PAR 4 WITH 3 ------------------------------------------------------------------------------------------------------------------------------------ 4 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 5 STREAMW2 ACS/WFC ACCUM WFC F606W 1 1026 S POS TARG 0.0747, 0.1294; (1026 S) PAR 6 WITH 5 ------------------------------------------------------------------------------------------------------------------------------------ 6 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 STREAMW2 ACS/WFC ACCUM WFC F606W FLASH=23 1 50 S (50 POS TARG 0.2393, 0.1418; S) SEQ 7-12 NON-INT; PAR 8 WITH 7 ------------------------------------------------------------------------------------------------------------------------------------ 8 ANY WFC3/UVI ACCUM UVIS F606W FLASH=10.0 1 50 S (50 S S) ------------------------------------------------------------------------------------------------------------------------------------ 9 STREAMW2 ACS/WFC ACCUM WFC F606W 1 1083 S POS TARG 0.2393, 0.1418; (1083 S) PAR 10 WITH 9 ------------------------------------------------------------------------------------------------------------------------------------ 10 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 S) ------------------------------------------------------------------------------------------------------------------------------------ 15930( 6) - 12-Dec-2019 16:04:12 - [ 35] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 11 STREAMW2 ACS/WFC ACCUM WFC F606W 1 1083 S POS TARG 0.4039, 0.1541; (1083 S) PAR 12 WITH 11 ------------------------------------------------------------------------------------------------------------------------------------ 12 ANY WFC3/UVI ACCUM UVIS F606W 1 1050 S S (1050 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 | ------------------------------------------------------------------------------------------------------------------------------------ STREAMW2 1 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 2 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S STREAMW2 3 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 4 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S STREAMW2 5 ACS/WFC ACCUM WFC F606W none none none none 1 N/A ANY 6 WFC3/UVI ACCUM UVIS F606W none none none none 1 N/A S STREAMW2 7 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 8 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW2 9 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 10 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S STREAMW2 11 ACS/WFC ACCUM WFC F606W none none none none 2 N/A ANY 12 WFC3/UVI ACCUM UVIS F606W none none none none 2 N/A S 15930( 6) - 12-Dec-2019 16:04:12 - [ 36] Summary Form for Proposal 15930 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS, WFC ------------------------------------------------------------------------------------------------------------------------------------ Configurations ACS/WFC, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=10, FLASH=10.0, FLASH=23, FLASH=25 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements BEFORE 31-AUG-2020:00:00:00, GROUP 52, 51 WITHIN 30D, GROUP 82, 81 WITHIN 30D, ORIENT 171D TO 177 D, ORIENT 180D TO 186 D, PAR 10 WITH 9, PAR 12 WITH 11, PAR 14 WITH 13, PAR 16 WITH 15, PAR 18 WITH 17, PAR 2 WITH 1, PAR 20 WITH 19, PAR 22 WITH 21, PAR 24 WITH 23, PAR 26 WITH 25, PAR 4 WITH 3, PAR 6 WITH 5, PAR 8 WITH 7, POS TARG 0.0000, 0.0000, POS TARG 0.0747, 0.1294, POS TARG 0.1647, 0.0124, POS TARG 0.2393, 0.1418, POS TARG 0.3293, 0.0248, POS TARG 0.4039, 0.1541, SAME ORIENT AS 51, SAME ORIENT AS 81, SCHED 70%, SEQ 1-6 NON-INT, SEQ 1-8 NON-INT, SEQ 15-20 NON-INT, SEQ 21-26 NON-INT, SEQ 7-12 NON-INT, SEQ 9-14 NON-INT ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names ANY, SPUR1, SPUR2, SPUR3, SPUR4, STREAME1, STREAME2, STREAMW1, STREAMW2 ------------------------------------------------------------------------------------------------------------------------------------