17932( 5) - 22-Sep-2025 21:06:48 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17932 Version: 5 Check-in Time: 22-Sep-2025 21:06:48 STScI Edit Number: 0 Title Our grasp of star formation, feedback, and galaxy evolution is incomplete without a JWST+HST look at the HI-dominated, outer disk of a spiral galaxy ------------------------------------------------------------------------------------ Type Cycle GO 32 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. David Thilker The Johns Hopkins University Y CoI: Dr. Ashley Barnes European Southern Observatory - Germany N CoI: Dr. Mederic Boquien Universite Cote d'Azur N CoI: Dr. Yixian Cao Max Planck Institute for Extraterrestrial N Physics CoI: Dr. Jeremy Chastenet Ghent University N CoI: I-Da Chiang Academia Sinica, Institute of Astronomy N and Astrophysics CoI: Dr. Daniel Dale University of Wyoming N CoI: Dr. Eric Emsellem European Southern Observatory - Germany N CoI: Dr. Simon Glover Universitat Heidelberg N CoI: Dr. Remy Indebetouw The University of Virginia N CoI: Dr. Eric Koch Smithsonian Institution Astrophysical N Observatory CoI: Dr. Kathryn Kreckel Universitat Heidelberg N CoI: Dr. Kirsten L. Larson Space Telescope Science Institute N CoI: Dr. Janice Lee Space Telescope Science Institute N CoI: Dr. Adam Leroy The Ohio State University N CoI: Prof. Laura Lopez The Ohio State University N CoI: Mr. Hamid Hassani University of Alberta N CoI: Dr. Sharon Meidt Universiteit Gent N CoI: Dr. Ryan Rickards Vaught Space Telescope Science Institute N CoI: Dr. Karin Marie Sandstrom University of California - San Diego N CoI: Dr. Eva Schinnerer Max Planck Institute for Astronomy N CoI: Dr. Rowan Smith University of Manchester Institute of N Science and Technology CoI: Dr. Jessica Sutter Whitman College N CoI: Dr. Antonio Usero Observatorio Astronomico Nacional N CoI: Dr. Thomas Williams University of Manchester N ------------------------------------------------------------------------------------ Abstract Outer disks of galaxies, so easily overlooked in the glare of their spectacular central regions, offer unique information regarding: the physics of the interstellar medium (ISM) and of the star formation (SF) process; the intimate relation between stellar populations and the conditions of the surrounding ISM; and the evolution of galaxies. Analysis of outer disks is required for fully understanding the physics of SF, as the low-density environment provides a stress test. We propose JWST's first detailed look at the outer disk ecosystem of a spiral galaxy, NGC 628 (M 74), paired with commensurate joint HST UV-visible imaging, to document dusty ISM and stellar components of the matter cycle. This project crucially informs studies of the Milky Way for which we lack an external perspective. As a nearby, face-on galaxy with an extended HI/UV-disk hosting low-level SF, and with existing inner disk JWST imaging, 17932( 5) - 22-Sep-2025 21:06:48 - [ 2] the benefit of leveraging the Cycle 1 dataset is clear. Our goals are two-fold: (1) tracing diffuse and structured ISM properties (via morphology metrics, spectral energy distribution) as a function of estimated SF feedback strength from the galaxy center to the atomic-dominated, low SFR surface density, outer disk regime; (2) looking for elusive ingredients of SF -- a novel PAH-based search for the yet undetected cold neutral medium (CNM) clouds supporting outer disk SF. Pursuing these topics will test current model predictions, advancing theory and simulations with rare constraint in a regime not yet sampled. ------------------------------------------------------------------------------------ Observations Description ------------------------ This is a joint JWST + HST imaging project to examine the physical conditions of the outer disk ISM in NGC 628, specifically including a detailed connection to the stellar populations that have managed to form in this extreme environment. We build on the PHANGS-JWST coverage of NGC 628's inner disk, adding a seven MIRI tile radial extension to the NW for the entire radial extent of the detected HI disk ($\Sigma_{\rm HI}\sim1$~M$_{\odot}\, $pc$^{-2}$), oriented to align with Herschel/PACS spectroscopic mapping. This strip (reaching to $1.8~r_{25}$, 25.8 kpc) broadens the range of physical conditions probed by JWST in several ways, reaching $f_{\rm mol}\sim0$, $Z\sim0.2~Z_\odot$, log~$\Sigma_{\rm SFR}\sim-4$ [M$_{\odot}$~yr$^{-1}$~kpc$^{-2}$]. The decline in SF activity corresponds to a order-of-magnitude reduction in the interstellar radiation field (ISRF). Each MIRI tile is paired with NIRCam and HST imaging. HST DETAILS: For HST imaging, we fit the NGC628 radial strip observations into a 3 orbit visit per field for broadband imaging and a 1 orbit visit per field for narrowband H-alpha imaging. There are 4 mosaic tiles; so the entire program takes 16 orbits total. We opt for the well-established LEGUS and PHANGS-HST filter set for our WFC3/UVIS observations, obtaining F275W, F336W, F438W, F555W, F658N, and F814W. We plan coadded exposure times of 2075 s (F275W), 1000 s (F336W), 1050 s (F438W), 630 s (F555W), 2195 s (F658N), 750 s (F814W). We choose F658N rather than F657N due to its narrower bandpass, which is compatible with the velocity of NGC628 and will thus achieve higher sensitivity. Three dithered exposures in each band will be obtained. Based on comparison with PHANGS-HST imaging of the NGC628 central region, the achieved exposure times are deep enough to identify and physically characterize the cluster/association population, using H-alpha to break age/reddening degeneracy. Surface brightness levels in H-alpha of 6e-16 erg s-1 cm-2 arcsec-2 will be recovered. We utilize POS-TARGs offsets constituting a three-point sub-pixel dither pattern to cover the WFC3 chip gap, remove CRs, and improve sampling of the PSF. Orient constraints (222-227d, SAME ORIENT) along with tile offsets (pre-mosaic-conversion) are required in order to provide acceptable WFC3/UVIS and JWST NIRCAM+MIRI overlap. ------------------------------------------------------------------------------------ 17932( 5) - 22-Sep-2025 21:06:48 - [ 3] TARGET LIST Fixed Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Target |Coord | Radial | Flux data No | Name | Description | Position |Eqnx | Vel. | ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIAL GALAXY, DISK, LSB, RA=01H36M29.4354S, J2000 V = 9.46 STRIP-04 SPIRAL, SPIRAL ARM, DEC=+15D55'52.58" STAR FORMING REGION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 2.3831898376226163E-5 -2.2900010208104504E-4 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIAL GALAXY, DISK, LSB, RA=01H36M32.3304S, J2000 V = 9.46 STRIP-03 SPIRAL, SPIRAL ARM, DEC=+15D53'37.99" STAR FORMING REGION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 2.3831898376226163E-5 -2.2900010208104504E-4 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIAL GALAXY, DISK, LSB, RA=01H36M35.2255S, J2000 V = 9.46 STRIP-02 SPIRAL, SPIRAL ARM, DEC=+15D51'23.39" STAR FORMING REGION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 2.3831898376226163E-5 -2.2900010208104504E-4 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIAL GALAXY, DISK, LSB, RA=01H36M38.1205S, J2000 V = 9.46 STRIP-01 SPIRAL, SPIRAL ARM, DEC=+15D49'8.79" STAR FORMING REGION Reference Frame: Other: SIMBAD Comments: This object was generated by the targetselector and retrieved from the SIMBAD database. Epoch of Position RA proper motion (seconds of time/yr) DEC Proper Motion (arcsec/yr) Annual Parallax (arcsec) 2015.5 2.3831898376226163E-5 -2.2900010208104504E-4 0.0 ------------------------------------------------------------------------------------------------------------------------------------ 17932( 5) - 22-Sep-2025 21:06:48 - [ 4] Visit: 09 (NGC0628STRIP01_BB) Visit Requirements: SCHED 100%; ORIENT 222.0D TO 227.0 D On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 210 S (210 POS TARG 0.0, 0.0 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 730 S (730 POS TARG 0.0, 0.0 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 200 S POS TARG 0.0, 0.0 LSTRIP-01 S ER see below (237 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S (270 POS TARG 0.092, 1.803 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.092, 1.803 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 300 S (300 POS TARG 0.092, 1.803 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 680 S (680 POS TARG 0.092, 1.803 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 233 S (233 POS TARG 0.092, 1.803 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S POS TARG 0.185, 3.606 LSTRIP-01 S ER see below (313 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 17932( 5) - 22-Sep-2025 21:06:48 - [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 665 S (665 POS TARG 0.185, 3.606 LSTRIP-01 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 197 S (197 POS TARG 0.185, 3.606 LSTRIP-01 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 1 N/A 1 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A 1 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A 1 S TER NGC628RADIALSTRIP-0 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A 1 S TER NGC628RADIALSTRIP-0 5 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 1 237.0 S 1 S TER NGC628RADIALSTRIP-0 6 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 N/A 1 S TER NGC628RADIALSTRIP-0 7 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A 1 S TER NGC628RADIALSTRIP-0 8 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 2 N/A 1 S TER NGC628RADIALSTRIP-0 9 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 2 N/A 1 S TER NGC628RADIALSTRIP-0 10 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 2 N/A 1 S TER NGC628RADIALSTRIP-0 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 3 313.0 S 1 S TER NGC628RADIALSTRIP-0 12 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 3 N/A 1 S TER NGC628RADIALSTRIP-0 13 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 3 N/A 1 S TER NGC628RADIALSTRIP-0 14 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 3 N/A 1 S TER NGC628RADIALSTRIP-0 15 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 3 N/A 1 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 6] Visit: 10 (NGC0628STRIP02_BB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 210 S (210 POS TARG 0.0, 0.0 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 730 S (730 POS TARG 0.0, 0.0 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 200 S POS TARG 0.0, 0.0 LSTRIP-02 S ER see below (237 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S (270 POS TARG 0.092, 1.803 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.092, 1.803 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 300 S (300 POS TARG 0.092, 1.803 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 680 S (680 POS TARG 0.092, 1.803 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 233 S (233 POS TARG 0.092, 1.803 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S POS TARG 0.185, 3.606 LSTRIP-02 S ER see below (313 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 17932( 5) - 22-Sep-2025 21:06:48 - [ 7] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 665 S (665 POS TARG 0.185, 3.606 LSTRIP-02 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 197 S (197 POS TARG 0.185, 3.606 LSTRIP-02 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 1 N/A 2 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A 2 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A 2 S TER NGC628RADIALSTRIP-0 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A 2 S TER NGC628RADIALSTRIP-0 5 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 1 237.0 S 2 S TER NGC628RADIALSTRIP-0 6 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 N/A 2 S TER NGC628RADIALSTRIP-0 7 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A 2 S TER NGC628RADIALSTRIP-0 8 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 2 N/A 2 S TER NGC628RADIALSTRIP-0 9 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 2 N/A 2 S TER NGC628RADIALSTRIP-0 10 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 2 N/A 2 S TER NGC628RADIALSTRIP-0 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 3 313.0 S 2 S TER NGC628RADIALSTRIP-0 12 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 3 N/A 2 S TER NGC628RADIALSTRIP-0 13 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 3 N/A 2 S TER NGC628RADIALSTRIP-0 14 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 3 N/A 2 S TER NGC628RADIALSTRIP-0 15 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 3 N/A 2 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 8] Visit: 11 (NGC0628STRIP03_BB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 210 S (210 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 730 S (730 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 200 S POS TARG 0.0, 0.0 LSTRIP-03 S ER see below (237 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S (270 POS TARG 0.092, 1.803 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.092, 1.803 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 300 S (300 POS TARG 0.092, 1.803 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 680 S (680 POS TARG 0.092, 1.803 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 233 S (233 POS TARG 0.092, 1.803 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S POS TARG 0.185, 3.606 LSTRIP-03 S ER see below (313 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 17932( 5) - 22-Sep-2025 21:06:48 - [ 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 ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 665 S (665 POS TARG 0.185, 3.606 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 197 S (197 POS TARG 0.185, 3.606 LSTRIP-03 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 5 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 1 237.0 S 3 S TER NGC628RADIALSTRIP-0 6 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 7 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 8 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 9 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 10 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 3 313.0 S 3 S TER NGC628RADIALSTRIP-0 12 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 3 N/A 3 S TER NGC628RADIALSTRIP-0 13 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 3 N/A 3 S TER NGC628RADIALSTRIP-0 14 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 3 N/A 3 S TER NGC628RADIALSTRIP-0 15 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 3 N/A 3 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 10] Visit: 12 (NGC0628STRIP04_BB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 210 S (210 POS TARG 0.0, 0.0 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 730 S (730 POS TARG 0.0, 0.0 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 200 S POS TARG 0.0, 0.0 LSTRIP-04 S ER see below (237 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S (270 POS TARG 0.092, 1.803 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.092, 1.803 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 300 S (300 POS TARG 0.092, 1.803 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 680 S (680 POS TARG 0.092, 1.803 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 233 S (233 POS TARG 0.092, 1.803 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 11 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S POS TARG 0.185, 3.606 LSTRIP-04 S ER see below (313 S) ------------------------------------------------------------------------------------------------------------------------------------ 12 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 13 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 17932( 5) - 22-Sep-2025 21:06:48 - [ 11] Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 14 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 665 S (665 POS TARG 0.185, 3.606 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 15 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 197 S (197 POS TARG 0.185, 3.606 LSTRIP-04 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 5 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 1 237.0 S 4 S TER NGC628RADIALSTRIP-0 6 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 N/A 4 S TER NGC628RADIALSTRIP-0 7 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A 4 S TER NGC628RADIALSTRIP-0 8 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 2 N/A 4 S TER NGC628RADIALSTRIP-0 9 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 2 N/A 4 S TER NGC628RADIALSTRIP-0 10 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 2 N/A 4 S TER NGC628RADIALSTRIP-0 11 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 3 313.0 S 4 S TER NGC628RADIALSTRIP-0 12 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 3 N/A 4 S TER NGC628RADIALSTRIP-0 13 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 3 N/A 4 S TER NGC628RADIALSTRIP-0 14 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 3 N/A 4 S TER NGC628RADIALSTRIP-0 15 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 3 N/A 4 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 12] Visit: 17 (NGC0628STRIP01_NB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 695 S POS TARG 0.0, 0.0 LSTRIP-01 S ER see below (713 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.092, 1.803 LSTRIP-01 S ER see below (768 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.185, 3.606 LSTRIP-01 S ER see below (768 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 713.0 S 1 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 1 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 1 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 13] Visit: 18 (NGC0628STRIP02_NB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 695 S POS TARG 0.0, 0.0 LSTRIP-02 S ER see below (713 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.092, 1.803 LSTRIP-02 S ER see below (768 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.185, 3.606 LSTRIP-02 S ER see below (768 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 713.0 S 2 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 2 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 2 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 14] Visit: 19 (NGC0628STRIP03_NB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 695 S POS TARG 0.0, 0.0 LSTRIP-03 S ER see below (713 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.092, 1.803 LSTRIP-03 S ER see below (768 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.185, 3.606 LSTRIP-03 S ER see below (768 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 713.0 S 3 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 3 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 3 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 15] Visit: 20 (NGC0628STRIP04_NB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 695 S POS TARG 0.0, 0.0 LSTRIP-04 S ER see below (713 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.092, 1.803 LSTRIP-04 S ER see below (768 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.185, 3.606 LSTRIP-04 S ER see below (768 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 713.0 S 4 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 4 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 4 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 16] Visit: 21 (NGC0628STRIP03_BB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Repeat of orbits #1 and #3 from failed Visit 11 (HOPR 93347) 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 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 210 S (210 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 730 S (730 POS TARG 0.0, 0.0 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 200 S POS TARG 0.0, 0.0 LSTRIP-03 S ER see below (237 S) ------------------------------------------------------------------------------------------------------------------------------------ 6 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S POS TARG 0.185, 3.606 LSTRIP-03 S ER see below (313 S) ------------------------------------------------------------------------------------------------------------------------------------ 7 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 8 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 9 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 665 S (665 POS TARG 0.185, 3.606 LSTRIP-03 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 10 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 197 S (197 POS TARG 0.185, 3.606 LSTRIP-03 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A 3 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 17] 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A 3 S TER NGC628RADIALSTRIP-0 5 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 1 237.0 S 3 S TER NGC628RADIALSTRIP-0 6 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 2 313.0 S 3 S TER NGC628RADIALSTRIP-0 7 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 8 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 9 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 2 N/A 3 S TER NGC628RADIALSTRIP-0 10 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 2 N/A 3 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 18] Visit: 22 (NGC0628STRIP04_BB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Repeat of orbit #3 from failed Visit 12 (HOPR 93347) 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 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F814W FLASH=15 1 270 S POS TARG 0.185, 3.606 LSTRIP-04 S ER see below (313 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F438W FLASH=17 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F336W FLASH=20 1 350 S (350 POS TARG 0.185, 3.606 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 4 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F275W FLASH=20 1 665 S (665 POS TARG 0.185, 3.606 LSTRIP-04 S ER S) ------------------------------------------------------------------------------------------------------------------------------------ 5 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F555W FLASH=15 1 197 S (197 POS TARG 0.185, 3.606 LSTRIP-04 S ER 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F814W none none none none 1 313.0 S 4 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F438W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F336W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 4 WFC3/UVI ACCUM UVIS-CEN F275W none none none none 1 N/A 4 S TER NGC628RADIALSTRIP-0 5 WFC3/UVI ACCUM UVIS-CEN F555W none none none none 1 N/A 4 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 19] Visit: 23 (NGC0628STRIP03_NB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Repeat of the single orbit from failed Visit 19 (HOPR 93364) 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 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 695 S POS TARG 0.0, 0.0 LSTRIP-03 S ER see below (713 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.092, 1.803 LSTRIP-03 S ER see below (768 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.185, 3.606 LSTRIP-03 S ER see below (768 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 713.0 S 3 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 3 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 3 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 20] Visit: 24 (NGC0628STRIP04_NB) Visit Requirements: SCHED 100%; SAME ORIENT AS 09 On Hold Comments: Additional Comments: Repeat of the single orbit from failed Visit 20 (HOPR 93364) 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 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 695 S POS TARG 0.0, 0.0 LSTRIP-04 S ER see below (713 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.092, 1.803 LSTRIP-04 S ER see below (768 S) ------------------------------------------------------------------------------------------------------------------------------------ 3 NGC628RADIA WFC3/UVI ACCUM UVIS-CENT F658N FLASH=18 1 750 S POS TARG 0.185, 3.606 LSTRIP-04 S ER see below (768 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 | ------------------------------------------------------------------------------------------------------------------------------------ NGC628RADIALSTRIP-0 1 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 713.0 S 4 S TER NGC628RADIALSTRIP-0 2 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 4 S TER NGC628RADIALSTRIP-0 3 WFC3/UVI ACCUM UVIS-CEN F658N none none none none 1 768.0 S 4 S TER 17932( 5) - 22-Sep-2025 21:06:48 - [ 21] Summary Form for Proposal 17932 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures UVIS-CENTER ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters FLASH=15, FLASH=17, FLASH=18, FLASH=20 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ORIENT 222.0D TO 227.0 D, POS TARG 0.0, 0.0, POS TARG 0.092, 1.803, POS TARG 0.185, 3.606, SAME ORIENT AS 09, SCHED 100% ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F275W, F336W, F438W, F555W, F658N, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names NGC628RADIALSTRIP-01, NGC628RADIALSTRIP-02, NGC628RADIALSTRIP-03, NGC628RADIALSTRIP-04 ------------------------------------------------------------------------------------------------------------------------------------