This could be a re-submission, the previous submission attempt seemed to time out. -1154237943 Assigned ID: 773 ----- Attempting Submission 1 (Fri Feb 24 21:55:25 GMT 2012) ----- ----- Attempting Submission 2 (Fri Feb 24 21:59:59 GMT 2012) ----- This revises the details of the spatial scanning observations. Specifically, we changed to scan back and forth instead of only scanning in one direction. There was no change in the timing windows. -1638015384 ----- Attempting Submission 1 (Tue Jun 19 21:59:00 GMT 2012) ----- HST Phase II Proposal 13021 (phase2.apt) successfully submitted. ----- Attempting Submission 2 (Tue Jul 03 17:13:53 GMT 2012) ----- HST Phase II Proposal 13021 (phase2.apt) successfully submitted. ----- Attempting Submission 3 (Mon Jul 09 16:53:56 GMT 2012) ----- ----- Attempting Submission 4 (Wed Feb 20 21:19:03 GMT 2013) ----- Revealing the Diversity of Super-Earth Atmospheres Recent surveys have revealed an amazing, and yet unexplained, diversity of super-Earth exoplanets. Atmospheric studies are the key to improving our understanding of the nature and origins of these mysterious worlds. HST has been successful at characterizing the atmospheres of hot, giant exoplanets through transit spectroscopy observations. However, revealing the properties of super-Earth atmospheres requires an order of magnitude more precision than is needed for Hot Jupiters. We propose an intensive transmission spectroscopy survey of three super-Earth archetypes to definitively determine the compositions of their atmospheres. Our targets are the most compelling super-Earths because they have measured masses and radii, span a range of equilibrium temperatures, and are the most feasible for atmospheric study. WFC3 spectroscopy from 1.1 - 1.7 microns will reveal the water abundance and overall composition of the atmospheres of GJ 1214 b and HD 97658 b. STIS spectroscopy of the sodium D lines for 55 Cnc e will reveal the composition and evaporation rate of this super-hot planet's secondary atmosphere. Just detecting the atmospheres of these planets is not enough; precise measurements are now mandatory to constrain theoretical models, and such data can only be obtained with an intensive program. A survey is needed because we will only be able to understand these individual objects, and the other exoplanets they represent, by looking at their collective diversity. This project can only be done with HST because of the requisite precision and the necessity of observing water bands. This work will pave the way to the future characterization of habitable exoplanets with JWST. Time-series spectroscopy of a transiting exoplanet host star to determine the planet's transmission spectrum. Each visit will consist of four orbits timed such that that two happen before the transit, one happens during transit, and one happens after the transit. There will be 15 visits to the target. Each orbit follows the same sequence: a direct image is obtained through the F130N filter for wavelength calibration, and then the rest of the orbit is filled with a series of exposures with the G141 grism. All observations will be performed with the GRISM256 subarray to save buffer memory and reduce systamtics associated with the larger array sizes. The spectroscopic exposures will be obtained with the spatial scan mode. The scan rate will be 0.12 arcsec / sec, and the scan will be in the spatial direction to smear out the spectrum so that reasonable counts per pixel are maintained during a long exposure to reduce systematics from non-linearity and persistence. We are aiming for less than 30,000 electrons per pixel per exposure. NSAMP=5 and SAMP-SEQ=SPARS25 gives a total exposure time of approximately 90 sec. By our estimate, the brightest pixel will see approximately 25,000 electrons per exposure for the selected scan rate. The scan will be 89 pixels tall. There is a nearby star that we want to avoid overlap with. Therefore, we included orient constraints so that the stars would always be separated by at least 100 pixels in the spatial direction. The observations must be conducted such that 75% of the third orbit is in transit. The transits occur every 1.58 days, and last for 50 minutes. We have set the phase constraints corresponding to this requirement. EXTRA-SOLAR PLANETS 0 false false 0.0 0.0 0.0 false false false SUPPORTED STAR EXTRA-SOLAR PLANETARY SYSTEM M V-IV This object was generated by the targetselector and retrieved from the SIMBAD database. J2000 J2000 H = 9.09 WFC3/IR Spectroscopic No No G141 WFC3/IR Spectroscopic No No G141 STIS/CCD Spectroscopic No No G750M 6094 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit9186761075890576262.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. 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We have included oritent constraints corresponding to this requirement. 1359491113000 294.7395891001916 (Tic-Visit :proposal-id 13021 :visit-id "08" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:12:40.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1145088 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "08" :obset-id "08" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "08" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2588 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "08" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2748 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "08" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2748 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "08" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2748 :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 3015 :pcs-gap 0 ) true 4 0 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit2767626219536714875.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "09" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:13:05.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "09" :obset-id "09" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "09" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "09" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "09" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "09" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit1259721486785553483.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "10" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:13:30.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "10" :obset-id "10" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "10" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "10" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "10" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "10" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit1352847524034325343.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "11" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:13:55.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "11" :obset-id "11" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "11" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "11" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "11" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "11" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit61874162423036293.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "12" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:14:20.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "12" :obset-id "12" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "12" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "12" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "12" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "12" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit2846931955610675759.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "13" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:14:44.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "13" :obset-id "13" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "13" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "13" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "13" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "13" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0 /private/var/folders/mb/y2mkshxs67l2bcdh6q_r8vjm0000gn/T/OPVisit4415479145849709346.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "14" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:15:10.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "14" :obset-id "14" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "14" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "14" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "14" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "14" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0 /Users/jbean/Documents/Observing_Proposals/HST_21/Phase2/OP-cache/phase2-v15.xml Phase windows are not calculated when the period is less than 7 days and the period tolerance is less than 1 days, assuming no scheduling restrictions for constraint Phase 0.899/0.913. The scheduling data was generated by CASM 21.0. CASM was run in Phase II mode. There is a nearby star that is approximately 5 mags fainter in the NIR than the primary target. In 2013 we calculate that it will be separated by 14" at a position angle of 152 deg. We require that the spectrum from this star not overlap the spectrum of our primary target. The height of the spatially scanned spectra will be 90 pixels. Therefore, the position of stars must be always be separated by 100 pixels. This requires orient angles >60 deg from the position angle of their separation. We have included oritent constraints corresponding to this requirement. (Tic-Visit :proposal-id 13021 :visit-id "15" :proposal-version -1 :trans-version "20121031" :date "20-Feb-2013 15:07:25.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 4 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 1459520 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 13021 :visit-id "15" :obset-id "15" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 13021 :visit-id "15" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2616 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "15" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "15" :orbit-number 3 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) (Tic-Orbit :proposal-id 13021 :visit-id "15" :orbit-number 4 :pcs-time 222 :si-vis-utilization 2758 :al-overhead-at-end 0 :internal-dur-at-end 458 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3015 :pcs-gap 0 ) true 4 0