0 Assigned ID: 3568 ----- Attempting Submission 1 (Fri Mar 25 21:16:35 GMT 2022) ----- HST Phase I Proposal 3568 successfully submitted. Receipt: # 3568-1 ----- Attempting Submission 2 (Fri Mar 25 21:25:43 GMT 2022) ----- HST Phase I Proposal 3568 successfully submitted. Receipt: # 3568-2 ----- Attempting Submission 3 (Fri Mar 25 22:12:43 GMT 2022) ----- 0 ----- Attempting Submission 1 (Mon Jul 11 15:25:28 GMT 2022) ----- Unique Constraints on the Physics of Circumgalactic Gas from Ultrahigh Resolution Observations of Galactic High-Velocity Clouds In recent years, theorists have been rapidly improving our understanding of the microphysics of the circumgalactic medium, but incisive observational tests of CGM theoretical developments are lagging, partly because it is observationally challenging to test models such as cloud "shattering" and non-equilibrium, rapidly cooling gas. Recently, ultrahigh spectral resolution (2.6 km/s) STIS E140H absorption spectroscopy of a QSO behind the Galactic "Outer Arm" (OA) high-velocity cloud has been published that reveals a multiphase cloud with many of the qualitative characteristics of condensing and possibly shattering gas. Moreover, the highly ionized gas in this HVC, which is kinematically aligned with lower ionization absorption, is best explained by non-equilibrium, rapidly cooling gas, and the HVC shows clear evidence of dust depletion. It has also been shown that these characteristics could not be accurately measured without the excellent spectral resolution of the E140H grating. We propose to obtain similar STIS E140H observations of AGN behind the Complex C, Complex A, and GCN HVCs to investigate whether other HVCs have similar physical characteristics. These diverse HVCs span a range of z heights, gas densities, and environmental factors, and existing lower resolution COS spectra show that a variety of lines will be detected from the HVCs, including NV. We will investigate the following questions: (1) What is the origin of the kinematically aligned highly ionized gas? (2) How do the physical conditions and time scales of the gas compare to CGM theories? (3) Do these diverse HVCs contain dust, and what are the dust depletion patterns in these environments? All of the targets in this program have been previously and successfully observed with STIS and/or COS, and the observing plan was modeled after the previous observations. Therefore the targets do not present any health and safety concerns for the STIS MAMA detectors. The targets will be observed with STIS using the E140H grating with the lambda(cen) = 1307 A grating tilt, which covers 1206 - 1408 A, and the 0.2x0.2 aperture. This tilt will cover a suite of lines that are known to be detected in the targeted high-velocity clouds, including O I, S II, C II, C II*, C IV, Si II, Si III, Si IV, N V, and possibly Ni II. For optimal wavelength calibration and exposure alignment in the final (coadded) spectrum, the targets will be acquired with an ACQ and ACQ/PEAK sequence. The hot pixels of this STIS mode grow stronger as the temperature of the detector warms up (see, e.g., the appendix in Tripp 2022, MNRAS, 511, 1714), so we request that that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before each visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. Principal Investigator Todd Tripp has used the HST spectrographs for >25 years and has led or coauthored >125 refereed papers using ultraviolet spectrographs in space. He has extensive experience with HST spectroscopic data and the science of the ISM, CGM, and IGM ranging from his doctoral work on very high S/N (>100:1) GHRS observations of QSOs, his research as a postdoctoral member of the Space Telescope Imaging Spectrograph Instrument Definition Team, and his roles in the first large QSO absorption-line projects with COS. CoI Edward Jenkins has studied the ISM using ultraviolet absorption spectroscopy for >50 years, and he has extensive experience ranging from observational/analysis techniques for maximizing the information extracted from the data to the theoretical underpinnings of interstellar/intergalactic gas physics. Moreover, he is the developer of the F* method that will be used to study depletion in the target clouds. CoI David Bowen has been a pioneer in the study of the circumgalactic media of galaxies using absorption spectroscopy of background QSOs (e.g., Bowen, Blades, & Pettini 1995, ApJ, 448, 634, and many other papers). CoI Joseph Burchett has led several innovative studies of CGM absorption systems with an emphasis on environmental effects (e.g., Burchett et al. 2016, ApJ, 832, 124; Burchett et al. 2018, MNRAS, 475, 2067), and he adds a unique perspective and personal energy to the team. Intergalactic Medium and the Circumgalactic Medium 6 false false true false false false false false SUPPORTED ISM ABSORPTION LINE SYSTEM - GALACTIC CORONAL GAS HALO HIGH VELOCITY CLOUD NO This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 GALEX FUV mag = 14.62 +/- 0.01; GALEX NUV mag = 14.50 +/- 0.01; Flambda(1238 A) = 1.4e-13; Flambda(1394 A) = 5.0e-14 ISM ABSORPTION LINE SYSTEM - GALACTIC CORONAL GAS HALO HIGH VELOCITY CLOUD NO This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 GALEX FUV mag = 14.77 +/- 0.02; GALEX NUV mag = 14.61 +/- 0.01; Flambda(1238 A) = 1.6e-13; Flambda(1394 A) = 6.5e-14 ISM ABSORPTION LINE SYSTEM - GALACTIC CORONAL GAS HALO HIGH VELOCITY CLOUD NO This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 Flambda(1238 A) = 8.0e-14; Flambda(1394 A) = 9.5e-14 STIS/FUV-MAMA Spectroscopic No No E140H 1307 STIS/FUV-MAMA Spectroscopic No No E140H 1307 STIS/FUV-MAMA Spectroscopic No No E140H 1307 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. /private/var/folders/q9/0jb3sqc10kx2dw3wnl21b_dw000702/T/OPVisit11354730370395683194.xml Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 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This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1697803368000 280.3766266862588 (Tic-Visit :proposal-id 17227 :visit-id "15" :proposal-version -1 :trans-version "20220516" :date "09-Jul-2022 23:21:26.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "15" :obset-id "15" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "15" :orbit-number 1 :pcs-time 393 :si-vis-utilization 3125 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3519 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "15" :orbit-number 2 :pcs-time 392 :si-vis-utilization 3126 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3519 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1694868823000 86.5 (Tic-Visit :proposal-id 17227 :visit-id "10" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:21:12.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "10" :obset-id "10" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "10" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "10" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1695370584000 90.0 (Tic-Visit :proposal-id 17227 :visit-id "16" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:23:08.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "16" :obset-id "16" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "16" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "16" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698734120000 75.15552704764809 (Tic-Visit :proposal-id 17227 :visit-id "17" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:31:55.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "17" :obset-id "17" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "17" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "17" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 /private/var/folders/q9/0jb3sqc10kx2dw3wnl21b_dw000702/T/OPVisit12624627549423560706.xml Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. Copy of visit 17 to be the partial repeat of visits 17 and 19. (1 orbit to repeat in each visit of 17 and 19 = these two orbits) (Tic-Visit :proposal-id 17227 :visit-id "26" :proposal-version -1 :trans-version "20240604" :date "07-Jun-2024 14:05:03.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "26" :obset-id "26" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "26" :orbit-number 1 :pcs-time 380 :si-vis-utilization 2635 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "26" :orbit-number 2 :pcs-time 380 :si-vis-utilization 2635 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698745518000 75.13899315721429 (Tic-Visit :proposal-id 17227 :visit-id "18" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:31:59.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "18" :obset-id "18" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "18" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "18" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698756917000 75.12246061168071 (Tic-Visit :proposal-id 17227 :visit-id "19" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:04.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "19" :obset-id "19" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "19" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "19" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698819611000 82.10000000000002 (Tic-Visit :proposal-id 17227 :visit-id "20" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:08.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "20" :obset-id "20" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "20" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "20" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698831010000 87.39999999999998 (Tic-Visit :proposal-id 17227 :visit-id "21" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:13.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "21" :obset-id "21" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "21" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "21" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698842409000 87.39999999999998 (Tic-Visit :proposal-id 17227 :visit-id "22" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:17.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "22" :obset-id "22" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "22" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "22" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698905104000 87.39999999999998 (Tic-Visit :proposal-id 17227 :visit-id "23" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:22.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "23" :obset-id "23" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "23" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "23" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698916503000 87.39999999999998 (Tic-Visit :proposal-id 17227 :visit-id "24" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:26.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "24" :obset-id "24" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "24" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "24" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0 The scheduling data was generated by CASM 30.3. CASM was run in Phase II mode. Important scheduling note: please ensure that the STIS MAMA detector has been turned off for 10 hours or more (based on ISR ACS 2018-07) before this visit begins. This will prevent STIS hot pixels from corrupting the spectra as the MAMA heats up. 1698927902000 87.39999999999998 (Tic-Visit :proposal-id 17227 :visit-id "25" :proposal-version -1 :trans-version "20220516" :date "11-Jul-2022 10:32:31.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "24" :si-bright-earth-limb-angle 20.0 :data-volume 313600 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 17227 :visit-id "25" :obset-id "25" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 17227 :visit-id "25" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2755 :al-overhead-at-end 0 :internal-dur-at-end 178 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) (Tic-Orbit :proposal-id 17227 :visit-id "25" :orbit-number 2 :pcs-time 392 :si-vis-utilization 2756 :al-overhead-at-end 0 :internal-dur-at-end 578 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3149 :pcs-gap 0 ) true 2 0