Resolving the C/O Abundance Discrepancy with HST/COS

For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. For G160M observations, please consult Chapter 9 of the COS Instrument Handbook to estimate overheads and the number of exposures per orbit, and consequently the correct lifetime position. Use of LP4 with G160M requires justification in the "Special Requirements" section of the Phase I PDF. Use of the default LP6 with G160M requires no justification. Proposals can be submitted with the warning present. 0 Assigned ID: 4684 ----- Attempting Submission 1 (Wed May 24 21:47:49 GMT 2023) ----- The G160M warnings for LP 4 do not apply to this program. Proper motion must be specified or indicated to be negligible or not applicable Proper motion must be specified or indicated to be negligible or not applicable COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. MERGING RULE VIOLATED DURING AUTOMATIC MERGING MERGING RULE VIOLATED DURING AUTOMATIC MERGING COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. COS FUV PSA science exposures with extended targets have special calibration limitations. See "Errors and Warnings" for more details. Resubmitting with visit 56 (repeat of failed visit 6 for approved HOPR 92954). 16918866 ----- Attempting Submission 1 (Thu Sep 14 00:00:38 GMT 2023) ----- HST Phase II Proposal 17494 successfully submitted. Receipt: # 17494-1 ----- Attempting Submission 3 (Mon Feb 12 16:51:53 GMT 2024) ----- ----- Attempting Submission 4 (Fri Mar 29 16:27:47 GMT 2024) ----- ----- Attempting Submission 5 (Thu Jul 18 15:41:42 GMT 2024) ----- Your proposal could not be saved. Submission aborted. ----- Attempting Submission 6 (Tue Sep 10 16:37:44 GMT 2024) ----- HST Phase II Proposal 17494 successfully submitted. Receipt: # 17494-6 ----- Attempting Submission 7 (Mon Sep 23 16:49:23 GMT 2024) ----- ----- Attempting Submission 8 (Tue Oct 29 17:09:05 GMT 2024) ----- already approved Resolving the C/O Abundance Discrepancy with HST/COS While oxygen and nitrogen have been widely observed in spiral and dwarf galaxies, the study of the next most abundant element, carbon, resides in a state of relative infancy. This is due, in large part, to the lack of strong C emission lines in the optical regime, which has made carbon abundance measurements in HII regions, despite their clear astrophysical importance, relatively rare. To complicate matters futher, there exists an unresolved discrepancy (the abundance discrepancy factor; ADF) between the two methods of deriving accurate abundances: the collisionally-excited emission lines (CELs) method and the recombination emission lines (RLs) method. Because the optical RLs are intrinsically very faint, there is only a small collection of extragalactic HII regions for which O/H abundances from RLs and, subsequently, the O ADF can be determined, while little to no ADF studies of other elements exist. Fortunately, HST provides the opportunity to observe the UV CIII] 1907,1909 and OIII] 1666 CELs. We request 20 orbits of COS G160M+G185M spectra of 10 HII regions in M33 and M101 with optical C RL detections. We will measure the UV C and O CELs, determine robust C/O abundances and gradients, measure the ionizing massive star population properties, and, combined with the existing RLs, provide a novel pathway to accessing the ADF with C. Owing to their different nucelosynthetic pathways and emission sensitivies, we will be able to compare the O and C ADFs for these 10 regions relative to their gaseous and stellar properties and constrain the source of the ADF; this will be the first coherent UV+optical C+O ADF analysis of its kind. The observational goal of our program is to use the Cosmic Origins Spectrograph to obtain measurements of the O III] 1666 and C III] 1907,1909 emission lines in 10 H II regions in M101 and M33, spanning a large range in metallicity and disk radius. Target Acquisition: We have excellent H-alpha narrow-band and R-band astrometry (Massey+07), allowing us to center our COS observations on the regions of highest surface brightness in H-alpha. However, due to the proximity of M101 and M33, the large H II regions fill the COS aperture, making centering on the nebular peak difficult. Instead, we will use the efficient target image acquisition method of a pointing offset from a nearby bright star. We used the Guide Star Catalog 2.3 and GAIA to select offset stars within 1' of the target H II regions. COS Spectra: We will use the G160M grating with the 1533 setting, allowing simultaneous coverage of all the necessary stellar features to constrain the the properties of the ionizing massive star population population and the O III] 1666 emission line. While some past programs targeting O III] 1666 in very nearby targets have suffered from contamination by the Milky Way Al II 1671 absorption feature, the high spectral resolution of G160M will ensure that the proposed O III] 1666 observations are cleanly separated. Additionally, we will use the G185M grating with the 2010 setting to cleanly center the C III] 1907,1909 in the highest- sensitivity portion of the NUV strips. As members of the CHemical Abundances of Spirals (CHAOS) project, our team is composed of the world's leader in studies of direct abundance gradients in spiral galaxies, having resulted is many publications over the years, including Berg+13, Berg+15, Croxall+15, Croxall+16, Berg+2020, Skillman+2020, Rogers+2021, and Rogers+2022 in the most recent years. All five members of our team: Danielle Berg, Evan Skillman, Richard Pogge, Noah Rogers, and Karla Arellano-Cordova are seasoned experts at interpreting optical spectra of HII regions, especially our CHAOS spectra, which includes the M101 and M33 optical spectra, all of which were taken with MODS on the Large Binocular Telescope; the MODS spectrographs were designed by co-I Richard Pogge. Evan Skillman has been studying UV abundances in HII regions for several decades, helping to pioneer the field of HII region C/O abundances in the 1990s (e.g., Garnett+95, Garnett+99, Kobulnicky & Skillman 1997, Kobulnicky & Skillman 1998). Over the past several years, PI Danielle Berg has used HST/COS to bring about a renessaince of C/O abundance studies in nearby dwarf galaxies (Berg+16, Berg+19a, Berg+19b). Given our team's UV+optical spectra expertise, as well as being PIs of both the CHAOS optical spectra and many HST/COS UV projects (e.g, the CLASSY treasury; Berg+22), we are distinguishably qualified to carry out the proposed project and ADF analysis. Galaxies Stellar Populations and the Interstellar Medium 6 false false true false false false false false SUPPORTED ISM HII REGION YES J2000 FUV/arcsec squared = 21.86 ISM HII REGION YES J2000 FUV/arcsec squared = 20.36 ISM HII REGION YES J2000 FUV/arcsec squared = 20.29 ISM HII REGION YES J2000 FUV/arcsec squared = 20.94 ISM HII REGION YES J2000 FUV/arcsec squared = 18.24 ISM HII REGION YES J2000 FUV/arcsec squared = 21.070 ISM HII REGION YES J2000 FUV/arcsec squared = 21.816 ISM HII REGION YES J2000 FUV/arcsec squared = 21.250 ISM HII REGION YES J2000 FUV/arcsec squared = 21.673 ISM HII REGION YES J2000 FUV/arcsec squared = 20.224 EXT-MEDIUM HII REGION NO J2000 F275W = 17.94 EXT-MEDIUM HII REGION NO J2000 EXT-MEDIUM HII REGION NO J2000 F275W = 16.48 EXT-MEDIUM HII REGION NO J2000 F275W = 16.67 EXT-MEDIUM HII REGION NO J2000 F275W = 13.16 EXT-MEDIUM HII REGION NO J2000 NUV=17.64 EXT-MEDIUM HII REGION NO J2000 U=15.26 EXT-MEDIUM HII REGION NO J2000 U=15.26 EXT-MEDIUM HII REGION NO J2000 NUV=17.85 EXT-MEDIUM HII REGION NO J2000 NUV=17.85 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 COS/FUV Spectroscopic No No G160M 1577 COS/NUV Spectroscopic No No G185M 1913 1725985810607 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1722504713000 245.25092553332075 (Tic-Visit :proposal-id 17494 :visit-id "01" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:10.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 226432 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "01" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2654 :al-overhead-at-end 0 :internal-dur-at-end 158 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "01" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2601 :al-overhead-at-end 0 :internal-dur-at-end 426 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 2 0 1727110122779 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. (Tic-Visit :proposal-id 17494 :visit-id "51" :proposal-version -1 :trans-version "20240627" :date "23-Sep-2024 11:48:42.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 69888 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "51" :obset-id "51" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "51" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2654 :al-overhead-at-end 0 :internal-dur-at-end 470 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 1 0 1725985813235 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1720445848000 250.86958284981336 (Tic-Visit :proposal-id 17494 :visit-id "02" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:12.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 122112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "02" :obset-id "02" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "02" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2653 :al-overhead-at-end 0 :internal-dur-at-end 369 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 1 0 1725985814435 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1722879827000 243.85695978742615 (Tic-Visit :proposal-id 17494 :visit-id "52" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:14.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 122112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "52" :obset-id "52" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "52" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2653 :al-overhead-at-end 0 :internal-dur-at-end 369 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 1 0 1725985815588 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1722516088000 245.21032077999723 (Tic-Visit :proposal-id 17494 :visit-id "03" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:15.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 217744 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "03" :obset-id "03" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "03" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2644 :al-overhead-at-end 0 :internal-dur-at-end 2286 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "03" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2644 :al-overhead-at-end 0 :internal-dur-at-end 470 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 2 0 1725985816797 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1723959905000 228.92253992181378 (Tic-Visit :proposal-id 17494 :visit-id "04" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:16.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 209056 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "04" :obset-id "04" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "04" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2644 :al-overhead-at-end 0 :internal-dur-at-end 2286 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "04" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2645 :al-overhead-at-end 0 :internal-dur-at-end 470 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 2 0 1725985818138 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1722100831000 246.81928163963414 (Tic-Visit :proposal-id 17494 :visit-id "05" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:17.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 3 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 400384 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "05" :obset-id "05" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "05" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2653 :al-overhead-at-end 0 :internal-dur-at-end 158 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "05" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2601 :al-overhead-at-end 0 :internal-dur-at-end 114 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "05" :orbit-number 3 :pcs-time 380 :si-vis-utilization 2639 :al-overhead-at-end 0 :internal-dur-at-end 436 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3034 :pcs-gap 0 ) true 3 0 1725985820044 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1723700372000 78.4432277922931 (Tic-Visit :proposal-id 17494 :visit-id "06" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:19.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 174432 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "06" :obset-id "06" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "06" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 2227 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "06" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2697 :al-overhead-at-end 0 :internal-dur-at-end 489 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) true 2 0 1730221648455 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. /private/var/folders/8q/_j5m96td5fsc15n2xp6nkp6d2x_4pj/T/OPVisit12348914150375527134.xml (Tic-Visit :proposal-id 17494 :visit-id "56" :proposal-version -1 :trans-version "20240627" :date "29-Oct-2024 18:07:28.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 174432 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "56" :obset-id "56" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "56" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 2227 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "56" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2697 :al-overhead-at-end 0 :internal-dur-at-end 489 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) true 2 0 1725985821792 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1723347840000 82.45609774303131 (Tic-Visit :proposal-id 17494 :visit-id "07" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:21.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 3 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 348384 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "07" :obset-id "07" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "07" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 2227 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "07" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2697 :al-overhead-at-end 0 :internal-dur-at-end 177 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "07" :orbit-number 3 :pcs-time 380 :si-vis-utilization 2623 :al-overhead-at-end 0 :internal-dur-at-end 436 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) true 3 0 1725985823338 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1723711695000 82.22475299292017 (Tic-Visit :proposal-id 17494 :visit-id "08" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:22.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 122304 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "08" :obset-id "08" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "08" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 2227 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "08" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 470 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) true 2 0 1725985824971 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1728195309000 20.569401508257187 (Tic-Visit :proposal-id 17494 :visit-id "09" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:24.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 122304 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "09" :obset-id "09" :pcs-mode "FGS" ) (Tic-Obset :proposal-id 17494 :visit-id "09" :obset-id "A9" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "09" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 2227 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17494 :visit-id "09" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 470 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) true 2 0 1725985826441 The scheduling data was generated by CASM 32.1.3. CASM was run in Phase II mode. 1727530574000 30.201186542428786 (Tic-Visit :proposal-id 17494 :visit-id "10" :proposal-version -1 :trans-version "20240627" :date "10-Sep-2024 11:30:26.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "31" :si-bright-earth-limb-angle 20.0 :data-volume 122304 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17494 :visit-id "10" :obset-id "10" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17494 :visit-id "10" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2698 :al-overhead-at-end 0 :internal-dur-at-end 470 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3078 :pcs-gap 0 ) true 1 0