Initial submission. 1881027430 Assigned ID: 1165 ----- Attempting Submission 1 (Fri Sep 27 23:58:53 GMT 2019) ----- initial submission fixed link on visit 15 to be group 14-15 (not group 12, 15) ungroup the sequences that have only one exposures updated to most recent comet ephemeris Nov. 19 - visit 3 (mid-Dec) is ready for review put old target back reverted postargs to ensure tracking rate updates; broke visit 4 into 4 and 5 undone reverting the postargs; sched=100 for visit 6 adding new alignments for visit 3; another 140 s cut for visit 6 orbit 1 adding orient constraint for visit 6 remove postflash updated ephemeris update structure of visits 03-04 put all exposures in one seq-non-int, cut 10s from the last exposure of each visit, visits 4-5 cutting another 10s from the last exposure cutting another 10s from the last exposure had to cut another 30s from the last exposure of visit 04 revise visits 03-04 as requested update structures of visits 05-08 adding U3 back into visit 06 update ephemeris of visits 04-05 update structure and ephemeris of visit 06 removed exp. 7, added new obset full acq to exp 4 (orbit 2) shortened exp 4-6 and added back shorter exp 7 in visit 06 update visit 07 shortened between, the system felt they were too close revise window update visit 08 update visits 09, 10 add visit 11 (make-up of visit 10) removed the betweens on visit 11 to test schedule visit 11 change visit 11 windows splot visit 11 to two linked visits -1308303982 ----- Attempting Submission 1 (Thu Nov 07 01:02:45 GMT 2019) ----- ----- Attempting Submission 2 (Thu Nov 07 14:10:55 GMT 2019) ----- ----- Attempting Submission 3 (Thu Nov 07 21:00:11 GMT 2019) ----- ----- Attempting Submission 4 (Fri Nov 08 02:00:06 GMT 2019) ----- ----- Attempting Submission 7 (Tue Nov 19 18:05:40 GMT 2019) ----- ----- Attempting Submission 8 (Tue Nov 19 18:26:26 GMT 2019) ----- ----- Attempting Submission 9 (Tue Nov 19 20:16:09 GMT 2019) ----- ----- Attempting Submission 10 (Tue Nov 19 21:16:27 GMT 2019) ----- ----- Attempting Submission 11 (Wed Nov 20 20:48:59 GMT 2019) ----- HST Phase II Proposal 16044 (prop-p2.apt) successfully submitted. Receipt: # 16044-11 ----- Attempting Submission 12 (Wed Nov 20 20:51:54 GMT 2019) ----- ----- Attempting Submission 13 (Fri Nov 22 20:51:00 GMT 2019) ----- ----- Attempting Submission 14 (Mon Nov 25 14:56:35 GMT 2019) ----- ----- Attempting Submission 15 (Fri Dec 06 03:55:28 GMT 2019) ----- ----- Attempting Submission 16 (Fri Dec 06 13:59:53 GMT 2019) ----- HST Phase II Proposal 16044 (16044.apt) successfully submitted. Receipt: # 16044-16 ----- Attempting Submission 17 (Fri Dec 06 14:04:09 GMT 2019) ----- ----- Attempting Submission 18 (Fri Dec 06 14:16:27 GMT 2019) ----- ----- Attempting Submission 19 (Fri Dec 06 14:49:10 GMT 2019) ----- ----- Attempting Submission 20 (Fri Dec 06 17:31:44 GMT 2019) ----- ----- Attempting Submission 21 (Mon Dec 09 21:27:51 GMT 2019) ----- ----- Attempting Submission 22 (Tue Dec 10 21:27:43 GMT 2019) ----- ----- Attempting Submission 23 (Mon Dec 23 19:46:56 GMT 2019) ----- ----- Attempting Submission 24 (Fri Jan 10 02:03:37 GMT 2020) ----- ----- Attempting Submission 25 (Tue Jan 14 20:23:30 GMT 2020) ----- ----- Attempting Submission 26 (Wed Jan 15 08:46:51 GMT 2020) ----- ----- Attempting Submission 27 (Tue Feb 04 01:39:06 GMT 2020) ----- ----- Attempting Submission 28 (Tue Feb 04 13:17:29 GMT 2020) ----- ----- Attempting Submission 29 (Wed Feb 05 00:35:49 GMT 2020) ----- ----- Attempting Submission 30 (Thu Mar 12 23:48:59 GMT 2020) ----- ----- Attempting Submission 31 (Wed Apr 15 03:43:05 GMT 2020) ----- ----- Attempting Submission 32 (Thu May 14 06:17:27 GMT 2020) ----- ----- Attempting Submission 33 (Thu May 14 18:40:11 GMT 2020) ----- ----- Attempting Submission 34 (Thu May 14 20:58:16 GMT 2020) ----- ----- Attempting Submission 35 (Fri May 15 19:40:46 GMT 2020) ----- Polarimetry of New Interstellar Comet 2I/Borisov 2I/Borisov is the first comet discovered in the solar system identified to be of likely extrasolar origin, and provides an exceptionally rare opportunity to characterize the material properties of a planetesimal from another planetary system. Its cometary activity coupled with its fortuitously nearby and well-timed trajectory, which presents phase angles as high as 28 deg, makes it a compelling target for detailed polarimetric characterization of its dust properties. High resolution imaging polarimetry has previously revealed varied polarized structures within the comas of solar system comets, including positively polarized jets and negatively polarized circumnucleus halos. Such features reflect spatial variation in their dust size and structure, and thus trace the material evolution of the dust under solar irradiation following their release from the nucleus. This project will use HST/ACS imaging polarimetry to spatially map the phase angle and wavelength dependence of dust polarization over 2I/Borisov's coma and inner tail. This data, together with advanced light scattering models, will provide a detailed qualitative and quantitative physical characterization of the dust from an interstellar comet. These results will enable a direct comparison with solar system comets previously characterized by similar methods, and more generally, a comparison between our solar system and its formation and evolutionary processes, with those of another planetary system. 2I/Borisov was discovered well after the HST Cycle 27 GO deadline, and the observing window will have closed before Cycle 28, thus requiring a Mid-Cycle proposal for these observations. We request 15 orbits to conduct polarimetric observations of 2I/Borisov from 2019 November to 2020 May. The phase angle of the comet will vary from a high of 28 deg in 2019 December down to 12 deg in 2020 May. The requested orbits are necessary to provide sufficient S/N to generate high resolution maps of polarization phase functions, and thus spatial variations in dust grain properties, over the coma and inner tail of the comet. The exact timing of these orbits is not critical to meet the science objectives, provided they are well distributed over the range of phase angles, particularly over the 15-25 deg phase angles typical of polarization inversion for cometary dust grains. Additionally, a pair of epochs in 2019 November and 2020 January at similar phase angles will particularly aid the isolation of physical evolution in coma/tail properties from the viewing geometry effects of a varying phase angle targeted by the other observations. We will obtain (1) F475W + Clear images, and (2) polarimetry with F606W and F775W on filter wheel 1, and POL0V, POL60V, and POL120V (0 deg, 60 deg, 120 deg visual polarizers) on filter wheel 2, for a total of 1+2x3=7 distinct combinations. Each combination will be used with 2-point dithering within an orbit or pair of nearby orbits, to facilitate the removal of cosmic rays, background stars, and detector defects. To mitigate the substantial overhead cost of many short exposures, not all combinations will be used in every orbit or orbit pair. F606W and F775W are selected for their relative dearth of notable emission bands, while still providing a sufficiently wide baseline to measure wavelength dependence. The F475W exposures cover the major emission bands of many gaseous species (typically dominated by C2), and will be used to trace the spatial distribution of these gases over the comet by comparing them with the nearly emission-free F775W data, and to correct for any dilution of dust polarization in the F606W band. Hines & Levasseur-Regourd (2016; P&SS, 123, 41) was hindered by significant C2 contamination in their F606W polarimetry of C/2012 S1 (ISON) 1 au from the Sun, which our approach seeks to mitigate. We additionally note that optical spectra of 2I/Borisov has not yet shown clear evidence of C2 emission as close as 2.4 au from the Sun (Opitom et al. 2019; arXiv:1910.09078), and such emission may not ever become significant, as the comet will remain beyond 2.0 au throughout its apparition. We will, however, continue to monitor published spectroscopy over the observation period for changes, including for any other significant contaminants. We understand that we have no control of the rolling angle of HST. However, our objectives require only coverage of the coma and inner tail, which, according to recent observations in 2019 September, is about 10-20'' in angular size (MPEC 2019-R106). 2I/Borisov will be ~40% closer to the Earth during its closest approach, corresponding to an angular size of ~40'', which should still easily fit onto the 2k WFC sub-array (~70'' wide with polarizer). We also request moving object support. The maximum apparent motion rate of 2I/Borisov is 130 arcsec/hr (in late 2019 November), which is well within the tracking capability of HST. As of early 2019 November, the formal ephemeris uncertainties computed by JPL fall well within the field of the WFC sub-array throughout the observation period. The orbit continues to be refined, with regular updates from the Minor Planet Center (MPC). We will work with MPC to incorporate new astrometry to ensure that the comet remains observable by HST. Q. Zhang has prior experience in observational and theoretical characterization of interstellar objects 1I/`Oumuamua (Ye et al. 2017, ApJL, 851, L5; Zhang 2018, ApJL, 852, L13) and 2I/Borisov. These include analysis of optical and infrared data from LFC and WIRC on the Palomar 5-m Hale Telescope. He additionally has expertise on the behavior of small bodies under solar irradiation, and has worked with the Sungrazer project, characterizing the orbits and morphology of near-Sun objects using space-based telescopes. Dr. Ye has led and/or participated a number of ground-based or HST-involved projects on small Solar System bodies, such as (3200) Phaethon (HST GO 15357, PI Q. Ye; Ye et al. 2018, ApJL, 864, 9), (6478) Gault (Ye et al. 2019, ApJL, 874, 16), and 1I/`Oumuamua (Ye et al. 2017, ApJL, 851, 5). His area of expertise is in the analysis of visible and infrared imaging of comets and asteroids, as well as in planetary dynamics. Dr. Kolokolova is an expert in photopolarimetric studies of cosmic dust, specifically cometary dust and asteroid regolith. Her main interest is intepretation of the photometric and polarimetric data using computer modeling of light scattering by dust particles, thus revealing their size, shape, structure, and composition. As the archive manager of the PDS Small Bodies Node, she is well familiar with ground based and space data resulted from observations of comets and asteroids. Solar System Planets and Planet Formation 3 false false false false false false false SUPPORTED SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006568576283542,E=3.356615336479035,I=44.05126537510564 ,O=308.1483826038324,W=209.1246306195056,T=08-DEC-2019:13:20:06,TTimeScale=TDB,EQUINOX=J2000,EPOCH=25-SEP-2019:00:00:00,EpochTimeScale=TDB,A1=0.,A2=2.581266021729E-7,A3=0. EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006631671943512,E=3.357186641306118,I=44.05177560961525 ,O=308.1489574182682,W=209.1237339804854,T=08-DEC-2019:13:15:25,TTimeScale=TDB,EQUINOX=J2000,EPOCH=20-DEC-2019:00:00:00,EpochTimeScale=TDB EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006646919889602,E=3.357489316443313,I=44.05247152804048 ,O=308.1494484383344,W=209.1223857291233,T=08-DEC-2019:13:12:54,TTimeScale=TDB,EQUINOX=J2000,EPOCH=20-DEC-2019:00:00:00,EpochTimeScale=TDB,A1=2.001994848251E-8,A2=1.551358127594E-7,A3=-7.238847255707E-8 EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006615476559197,E=3.357057274677898,I=44.05348671638512 ,O=308.1499528970442,W=209.124397765598,T=08-DEC-2019:13:18:12,TTimeScale=TDB,EQUINOX=J2000,EPOCH=05-JAN-2020:00:00:00,EpochTimeScale=TDB,A1=-4.111801624298E-8,A2=-2.939796209335E-8,A3=-1.149449539185E-7 EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006615476559197,E=3.357057274677898,I=44.05348671638512 ,O=308.1499528970442,W=209.124397765598,T=08-DEC-2019:13:18:12,TTimeScale=TDB,EQUINOX=J2000,EPOCH=05-JAN-2020:00:00:00,EpochTimeScale=TDB,A1=-4.111801624298E-8,A2=-2.939796209335E-8,A3=-1.149449539185E-7 EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006615476559197,E=3.357057274677898,I=44.05348671638512 ,O=308.1499528970442,W=209.124397765598,T=08-DEC-2019:13:18:12,TTimeScale=TDB,EQUINOX=J2000,EPOCH=05-JAN-2020:00:00:00,EpochTimeScale=TDB,A1=-4.111801624298E-8,A2=-2.939796209335E-8,A3=-1.149449539185E-7 EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006624008587265,E=3.356191268153205,I=44.05262620283894 ,O=308.1489154698829,W=209.1246056235187,T=08-DEC-2019:13:04:38,TTimeScale=TDB,EQUINOX=J2000,EPOCH=31-JUL-2020:00:00:00,EpochTimeScale=TDB,R0=2.808 ,DT=0. ,A1=7.312064170837E-8,A2=-3.252092599869E-8,A3=0. ,ALN=0.1112620426,NM=2.15,NN=5.093,NK=4.6142,AMRAT=0. EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006624008587265,E=3.356191268153205,I=44.05262620283894 ,O=308.1489154698829,W=209.1246056235187,T=08-DEC-2019:13:04:38,TTimeScale=TDB,EQUINOX=J2000,EPOCH=31-JUL-2020:00:00:00,EpochTimeScale=TDB,R0=2.808 ,DT=0. ,A1=7.312064170837E-8,A2=-3.252092599869E-8,A3=0. ,ALN=0.1112620426,NM=2.15,NN=5.093,NK=4.6142,AMRAT=0. EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006624008587265,E=3.356191268153205,I=44.05262620283894 ,O=308.1489154698829,W=209.1246056235187,T=08-DEC-2019:13:04:38,TTimeScale=TDB,EQUINOX=J2000,EPOCH=31-JUL-2020:00:00:00,EpochTimeScale=TDB,R0=2.808 ,DT=0. ,A1=7.312064170837E-8,A2=-3.252092599869E-8,A3=0. ,ALN=0.1112620426,NM=2.15,NN=5.093,NK=4.6142,AMRAT=0. TYPE=POS_ANGLE,RAD=.8,ANG=135,REF=NORTH EARTH SOLAR SYSTEM YES COMET C/2019 Q4 (Borisov) TYPE=COMET,Q=2.006624008587265,E=3.356191268153205,I=44.05262620283894 ,O=308.1489154698829,W=209.1246056235187,T=08-DEC-2019:13:04:38,TTimeScale=TDB,EQUINOX=J2000,EPOCH=31-JUL-2020:00:00:00,EpochTimeScale=TDB,R0=2.808 ,DT=0. ,A1=7.312064170837E-8,A2=-3.252092599869E-8,A3=0. ,ALN=0.1112620426,NM=2.15,NN=5.093,NK=4.6142,AMRAT=0. TYPE=POS_ANGLE,RAD=.8,ANG=135,REF=NORTH EARTH ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W ACS/WFC Imaging No No F475W ACS/WFC Imaging No Yes F606W ACS/WFC Imaging No Yes F775W Using ephemeris for target 16044-01-BORISOV ephemeris data for target 16044-01-BORISOV does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (01 02) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1574708556000 290.0096758711809 (Tic-Visit :proposal-id 16044 :visit-id "01" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:46.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 568656 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "01" :obset-id "01" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "01" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2747 :al-overhead-at-end 0 :internal-dur-at-end 347 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0 Using ephemeris for target 16044-02-BORISOV ephemeris data for target 16044-02-BORISOV does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (01 02) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1574714277000 287.8474048175179 (Tic-Visit :proposal-id 16044 :visit-id "02" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:49.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 568656 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "02" :obset-id "02" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "02" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2748 :al-overhead-at-end 0 :internal-dur-at-end 347 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0 Using ephemeris for target 16044-03-BORISOV-VISIT3 ephemeris data for target 16044-03-BORISOV-VISIT3 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1576344330000 290.479983866572 (Tic-Visit :proposal-id 16044 :visit-id "03" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:51.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 426464 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "03" :obset-id "03" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "03" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2714 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0 Using ephemeris for target 16044-04-BORISOV-VISIT4-5 ephemeris data for target 16044-04-BORISOV-VISIT4-5 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (04 05) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1578335496000 294.0289298313589 (Tic-Visit :proposal-id 16044 :visit-id "04" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:54.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 426464 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "04" :obset-id "04" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "04" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2689 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0 Using ephemeris for target 16044-05-BORISOV-VISIT4-5 ephemeris data for target 16044-05-BORISOV-VISIT4-5 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (04 05) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1578341215000 295.54 (Tic-Visit :proposal-id 16044 :visit-id "05" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:56.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 568656 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "05" :obset-id "05" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "05" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2719 :al-overhead-at-end 0 :internal-dur-at-end 347 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0 Using ephemeris for target 16044-06-BORISOV-VISIT6 ephemeris data for target 16044-06-BORISOV-VISIT6 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1580199965000 283.6 (Tic-Visit :proposal-id 16044 :visit-id "06" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:59.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 497536 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "06" :obset-id "06" :pcs-mode "FGS" ) (Tic-Obset :proposal-id 16044 :visit-id "06" :obset-id "A6" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "06" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2384 :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 2918 :pcs-gap 0 ) (Tic-Orbit :proposal-id 16044 :visit-id "06" :orbit-number 2 :pcs-time 393 :si-vis-utilization 2384 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 2918 :pcs-gap 0 ) true 2 0 Using ephemeris for target 16044-07-BORISOV-VISIT7 ephemeris data for target 16044-07-BORISOV-VISIT7 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1583180513000 306.0 (Tic-Visit :proposal-id 16044 :visit-id "07" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:57:01.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 426464 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "07" :obset-id "07" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "07" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2749 :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 3142 :pcs-gap 0 ) (Tic-Orbit :proposal-id 16044 :visit-id "07" :orbit-number 2 :pcs-time 302 :si-vis-utilization 2839 :al-overhead-at-end 0 :internal-dur-at-end 192 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 2 0 Using ephemeris for target 16044-08-BORISOV-VISIT8 ephemeris data for target 16044-08-BORISOV-VISIT8 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1585883035000 359.2393400870692 (Tic-Visit :proposal-id 16044 :visit-id "08" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:57:03.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 426464 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "08" :obset-id "08" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "08" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2749 :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 3142 :pcs-gap 0 ) (Tic-Orbit :proposal-id 16044 :visit-id "08" :orbit-number 2 :pcs-time 302 :si-vis-utilization 2839 :al-overhead-at-end 0 :internal-dur-at-end 192 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 2 0 Using ephemeris for target 16044-09-BORISOV-VISIT9 ephemeris data for target 16044-09-BORISOV-VISIT9 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (09 10) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1588996958000 46.410765722431194 (Tic-Visit :proposal-id 16044 :visit-id "09" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:57:05.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 497536 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "09" :obset-id "09" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "09" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2747 :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 3142 :pcs-gap 0 ) (Tic-Orbit :proposal-id 16044 :visit-id "09" :orbit-number 2 :pcs-time 302 :si-vis-utilization 2840 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 2 0 Using ephemeris for target 16044-10-BORISOV-VISIT9-OFFSET ephemeris data for target 16044-10-BORISOV-VISIT9-OFFSET does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (09 10) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. 1589025537000 50.152226801831006 (Tic-Visit :proposal-id 16044 :visit-id "10" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:57:07.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 497536 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "10" :obset-id "10" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "10" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2747 :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 3142 :pcs-gap 0 ) (Tic-Orbit :proposal-id 16044 :visit-id "10" :orbit-number 2 :pcs-time 302 :si-vis-utilization 2840 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 2 0 Using ephemeris for target 16044-11-BORISOV-VISIT11 ephemeris data for target 16044-11-BORISOV-VISIT11 does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (11 12) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. (Tic-Visit :proposal-id 16044 :visit-id "11" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:53:40.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 213232 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "11" :obset-id "11" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "11" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2749 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0 Using ephemeris for target 16044-12-BORISOV-VISIT11-OFFSET ephemeris data for target 16044-12-BORISOV-VISIT11-OFFSET does not cover planning interval. Physical constraints are assumed to be unschedulable outside of the ephemeris data. Planning interval: 19.298 to 21.121. ephemeris interval: 20.121 to 22.121 Timing link suitability includes constraints ([Group (11 12) Within 0.5 days]) The scheduling data was generated by CASM 28.0. CASM was run in Phase II mode. (Tic-Visit :proposal-id 16044 :visit-id "12" :proposal-version -1 :trans-version "20191203" :date "15-May-2020 11:56:23.0" :trans-errors '(:WARNINGS 0 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "27" :si-bright-earth-limb-angle 20.0 :data-volume 213232 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 16044 :visit-id "12" :obset-id "12" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 16044 :visit-id "12" :orbit-number 1 :pcs-time 393 :si-vis-utilization 2749 :al-overhead-at-end 0 :internal-dur-at-end 269 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3142 :pcs-gap 0 ) true 1 0