The global star formation rate (SFR) is ~10x higher at z=1 than today. This could be due to drastically elevated SFR in some fraction of galaxies, such as mergers with central bursts, or a higher SFR across the board. Either means that the conditions in z=1 star forming galaxies could be quite different from local objects. The next step beyond measuring the global SFR is to determine the dependence of SFR, obscuration, metallicity, and size of the star-forming region on galaxy mass and redshift. However, SFR indicators at z=1 typically apply local calibrations for UV, [O II] and far-IR, and do not agree with each other on a galaxy-by-galaxy basis. Extinction, metallicity, and dust properties cause uncontrolled offsets in SFR calibrations. The great missing link is Balmer H-alpha, the most sensitive probe of SFR. We propose a slitless WFC3/G141 IR grism survey of GOODS-N, at 2 orbits/pointing. It will detect Ha+[N II] emission from 0.7<z<1.5, to L(Ha) = 1.7 x 10^41 erg/sec at z=1, measuring H-alpha fluxes and sizes for > 600 galaxies, and a small number of higher-redshift emitters. This will produce: an emission-line redshift survey unbiased by magnitude and color selection; star formation rates as a function of galaxy properties, e.g. stellar mass and morphology/mergers measured by ACS; comparisons of SFRs from H-alpha to UV and far-IR indicators; calibrations of line ratios of H-alpha to important nebular lines such as [O II] and H-beta, measuring variations in metallicity and extinction and their effect on SFR estimates; and the first measurement of scale lengths of the H-alpha emitting, star-forming region in a large sample of z~1 sources.

Observation Description Resubmission for HST Program 11600 Benjamin Weiner This resubmission of Phase 2 files is for observations in PID 11600 that are being redone because the original observations were contaminated by scattered light from the bright Earth limb. The original observation description file is appended after the new description. The observations are WFC3-IR G141 grism exposures of the GOODS-N field, with short F140W direct imaging exposures that provide a reference image for spectral extraction and wavelength calibration. Some of the previous observations were severely affected by scattered light from the bright Earth limb. Through examining that data we found that the background count rate in G141 data is much higher when the angle to the bright limb is less than 30-35 degrees. The F140W data are much less affected at the same angles. The new observations 9 visits labeled visits 41 through 49, where 41 redoes the observations of visit 01 and so on. Four of the new visits (41, 42, 45, 48) are 1 orbit (2 grism exposures), when only 2 of the original exposures were severely affected. There are a total of 14 new orbits. The Telescope Time Review Board recommended that we use the LOW SKY special requirement for the re-observations, which constrains angle to the bright limb to be >40 deg. This imposes extra constraints on visibility time and schedulability and so we have had to redesign the exposure sequence and timing. As before, we also have a 30 deg range of allowed ORIENT to tile the field. To fit the grism exposures within the low-sky portion of the orbit, we now have a sequence of grism-(dither)-grism-direct, so there is only one direct exposure per orbit. (Previously it was direct-grism-(dither)-grism-direct.) This is acceptable, since we already have some direct images per pointing that can be drizzled together with the new ones. The direct image at the end of the orbit extends beyond the low sky limit; this is acceptable because the direct image is less affected by scattered light. The dithers are done with POS TARG offsets as before. In the current design, we reduced the exposure times a little (grism: 1300 and 1200 seconds, vs 2x1300 in the old data; direct: 1x200 seconds, vs 2x200 in the old data). We now have ~240 seconds of unused visibility at the end of the orbit. This is because packing the orbit full resulted in visits that were not schedulable according to the visit planner. Leaving the extra 240 sec of margin, the visit planner says that the observations are schedulable in a 2 week period at the end of April 2011. If it turns out that there is not a large enough schedulable range, the exposure times could be reduced further. However, I would like to avoid this, both because it reduces the efficiency and signal/noise, and because shorter exposures cause more problems with the timing of buffer dumping. The LOW SKY requirement is perhaps more stringent than necessary. In March-April 2010, some of the pointings in this field were observed with the original sequence and over the dark earth limb, so avoided problems with scattered light. Additionally LOW SKY imposes a constraint on zodiacal background that is not really critical for these observations. However, the most important criterion is to avoid the bright earth limb, and LOW SKY should enforce that. The ACS parallel exposure times have been adjusted to match the WFC3 sequence and produce a buffer dump sequence that doesn't cause problems. ---------- Previous Observation Description: ---------- Observation Description HST Program 11600 Benjamin Weiner This program is a redshift survey of the GOODS-North deep extragalactic survey field, using slitless spectroscopy with the WFC3-IR G141 grism. The chief aims of the survey are: to obtain redshifts by detecting the Balmer H-alpha line at 0.7<z<1.5; to measure H-alpha luminosities and estimate star formation rates; to compare H-alpha star formation rates to other indicators such as UV and Spitzer far-IR fluxes; to measure extinctions and metallicities, in combination with ground-based spectra of other emission lines; and to measure the sizes of the H-alpha emitting regions in the galaxies. We expect to measure H-alpha for somewhere from 600 to 1000 galaxies in this redshift range. There will be of order 2-4x as many objects with spectra in the fields, including stars, galaxies at z<0.7, and some galaxies at z>1.5. Thus we may be getting 50-100 spectra per WFC3 field. A small fraction of these will be lost to spectrum overlaps. The visits are subject to position angle/ORIENT constraints in order to tile the field effectively. However, the program was designed to tolerate variations in PA/ORIENT of +/-15 degrees from the ideal, to increase schedulability. Individual tiles may have their ORIENT changed within +/-15 deg, for example to reach guide stars. Since the tiles overlap, the area if a tile is rotated is small. Additionally, since this is a spectroscopic survey rather than a classic imaging survey, opening small gaps in the tiled area is less of a problem. Should it be necessary, the entire tile pattern could be shifted slightly, but there is only about 15 arcsec before it moves off the GOODS footprint. For plots of the tile layout, see http://mingus.as.arizona.edu/~bjw/goods_grism/wfc3_par.tiledesign.stars.png http://mingus.as.arizona.edu/~bjw/goods_grism/wfc3_par.tiledesign.allpa45.stars.png The difference between these two plots has to do with the PA and location of parallel fields, see below. The tiles are numbered by column and row, corresponding to the target numbers. If there are tiles that are really difficult to find guide stars for, it would be possible to rotate them by 90 degrees to observe at PA~135 or 315. However, we would like to avoid this if possible, especially given the rectangular field of view of WFC3-IR. Visits and Exposures: We have designed the observations to tile most of the 10'x15' GOODS-N field, using 28 pointings of WFC3-IR. Each pointing will be observed for 2 orbits. We have set each pointing up as an individual target, and divided the program into 28 2-orbit visits, one per target. Each target is a location on the sky (ICRS frame) for the tile center, rather than an actual object. In each visit, we use 4 dither positions. At each position, we take a short direct F140W exposure and a long grism G141 exposure, using the apertures G141-REF and IR respectively. The direct exposures are necessary as a reference for the object locations in order to extract and wavelength-calibrate the slitless spectra. Taking a direct exposure at each dither costs little time, should make the data easier to reduce, and allows making a combined direct HST image of the whole field (excellent resolution albeit not very deep). The direct exposures are ~200 sec (SPARS25 x NSAMP=9) and the grism exposures are ~1300 sec (SPARS100 x NSAMP=14), except the last one which is 1400 sec (SPARS100 x NSAMP=15). The last one is a little longer because there is less overhead in orbit 2 for guide star re-acquisition. The order of exposures within an orbit is: direct, grism, grism, direct. This saves a wheel move over direct, grism, direct, grism, and seems to be a better order for timing buffer dumps. Tiling Pattern: The tiles/targets are laid out in a grid at 45 degrees to the RA/Dec axes, to match the GOODS-N orientation. The grid overlaps the WFC3 pointings by 5% in X and 8% in Y. The Y overlap is just enough to cover the IR detector's dead spot. The overlaps also allow for the position angles to vary somewhat without losing much area. See the discussion of position angles below. We have adjusted the tiling pattern so that it is no longer a 4x7 rectangle of tiles, but a sort of Utah shape - two columns of 8 and two columns of 6 tiles, making a rectangle with a corner taken out. This is to avoid a bright star with H=10.27 at RA,Dec = 189.408221, 62.275234. This star could saturate by ~100x and lead to persistence effects. The star is indicated by a magenta asterisk in the plot at http://mingus.as.arizona.edu/~bjw/goods_grism/wfc3_par.tiledesign.stars.png Dithering: We use POS-TARG offsets to make the dithers. Each direct/grism pair has the same set of POS-TARG offsets. The dither pattern is one that we came up with, using these offsets in x,y: WFC3 pix ACS pix arcsec (POS-TARG) 0.0 0.0 0.0 0.0 0.0 0.0 4.5 1.5 6.41 11.46 0.6075 0.1815 2.0 5.5 -5.13 10.0 0.2700 0.6655 -2.5 4.0 -11.54 -1.46 -0.3375 0.4840 The point of this dither pattern is to produce half-pixel steps in _both_ the WFC3-IR and parallel ACS data. The half-pixel steps are necessary for WFC3-IR since it is somewhat undersampled, and also highly desirable for ACS data. I have assumed that the POS-TARG x and y axes are parallel to the WFC3-IR x and y axes, as shown in the Phase 2 instructions. This dither pattern is just a tiny bit larger than the standard WFC3-IR-DITHER-BOX-MIN pattern. Position Angles: The tiles are laid out with the WFC3-IR field at a position angle of 45 deg east of north, which fills the GOODS-N field efficiently. The tiling remains relatively good and few gaps are opened if the PAs of individual tiles remain within +/-15 deg of the overall pattern. For a PA of 45 (ORIENT of 180), the ACS parallel field falls about 6 arcmin northeast of the WFC3-IR field. The integration time in the ACS parallel field is about 5100 sec per 2-orbit visit, and many of the parallels will overlap, yielding a significant area with exposures of 10,000 sec or more. After discussion with Mark Dickinson and members of the GOODS team, we believe that there is a significant science return from using the parallels to add more depth to the GOODS field, rather than trying to add area outside of it. (There are already other surveys that cover quite large areas at 1-orbit depth: GEMS, EGS, COSMOS.) The 10,000 sec exposures can more than double the i-band exposure in GOODS, currently ~8500 sec. This will be quite valuable for e.g. searches for high-redshift i-band dropout galaxies in the JWST era. The new data can also be used to search for variability and transient objects. To get the parallels onto the GOODS-N field, we have constrained the 20 WFC3 fields in the southwest to be observed at PA 45 +/- 15 (ORIENT 180 +/- 15), and the 8 WFC3 fields in the northeast to be observed at either PA 45 +/- 15, or at PA 225 +/- 15 (ORIENT 0 +/- 15). The figures at http://mingus.as.arizona.edu/~bjw/goods_grism/wfc3_par.tiledesign.stars.png http://mingus.as.arizona.edu/~bjw/goods_grism/wfc3_par.tiledesign.allpa45.stars.png illustrate the resulting pattern. The +/-15 degree range should allow a reasonable range of schedulability. If this turns out to be a problem, or if guide stars are difficult to find, individual tiles can be reversed or the tiling arrangement may be revised. For the 8 WFC3-IR fields in the northeast, there is a tradeoff between the two possible position angles: 1. observing at PA 45 moves the ACS parallel fields to the northeast, falling off the GOODS footprint, and allows scheduling in the March-April window. 2. observing at PA 225 places the ACS parallel fields back on the GOODS field, but requires observing during a short window in September. During this window the zodiacal background is about 35% higher than in March-April, which will lower the signal/noise of the WFC3-IR observations by about 11%. Parallels: We have requested parallel exposures with ACS using the F775W i-band filter. For each dither position, with a WFC3 direct+grism exposure pair, we configured an ACS CR-SPLIT=2 exposure. The resulting exposures are of order 600-700 seconds long - we maximized the exposure time with Auto-Adjust. We are doing 4 dithers at each target, so the CR-SPLIT is not relied on for cosmic ray removal; pairing the exposures keeps them to a reasonable length. The fairly long WFC3 grism and ACS F775W exposures allow efficient buffer dumping during an orbit so that no time is lost to overheads. The total exposure time in ACS F775W is about 5100 sec per 2-orbit visit. Because ACS has a 2.4x larger area than WFC3-IR, the ACS parallel pointings overlap, so that a significant area gets 10,000 sec or more exposure. This can more than double the existing exposure in F775W from the GOODS program, about 8500 sec in much of the field. The ORIENT constraints of the tiled exposures mean that most of the ACS parallels will fall on the GOODS-N field, as discussed above. Time of Observations: The desired position angles are visible in two periods in 2009, roughly around March-April 2009 for PA~45 and September 2009 for PA~225. We have not put in an explicit constraint on when they are done. The March-April period is preferable because the sky background due to zodiacal light is significantly lower. On April 1 2009 the sun angle to the field is 137.5 degrees while on October 1 2009 the sun angle is 43.0 degrees. Estimates from the WFC3 ETC show that the zodiacal background in October is 38% higher and the signal-to-noise is 11% lower, effectively a 22% decrease in exposure time. For this reason it is preferred to do the observations in the March-April window. There is a tradeoff for the observations at the northeast end, as discussed above: allowing observations near PA~225 brings the ACS parallels onto the GOODS field. So we have configured these observations to allow either PA~45 or PA~225. Changes from the Phase 1 proposal: There are no changes to the exposure or observing strategies. We have changed the layout of the tiles, to introduce overlaps between tiles and avoid the very bright star. This means that the target positions and names have changed. We have allowed the position angles to vary +-15 degrees from the optimal (sky PA=45 or 225 deg, ORIENT=180 or 0), as discussed in the Phase 1 proposal. We have introduced the additional constraint of requiring the tiles in the southwest end of the pattern to be observed in the range around ORIENT=180, while others can be observed around ORIENT=0 or 180. 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CASM was run in Phase II mode. 1271370639000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "03" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:29.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "03" :obset-id "03" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "03" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "03" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. 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CASM was run in Phase II mode. 1271469040000 159.0 (Tic-Visit :proposal-id 11600 :visit-id "07" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:39.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "07" :obset-id "07" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "07" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "07" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271537107000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "08" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:42.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "08" :obset-id "08" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "08" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "08" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271548491000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "09" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:45.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "09" :obset-id "09" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "09" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "09" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271606779000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "10" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:48.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "10" :obset-id "10" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "10" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "10" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271646864000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "11" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:50.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "11" :obset-id "11" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "11" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "11" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271777221000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "12" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:53.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "12" :obset-id "12" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "12" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "12" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1267981614000 195.0 (Tic-Visit :proposal-id 11600 :visit-id "13" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:56.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "13" :obset-id "13" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "13" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "13" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271704211000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "14" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:52:58.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "14" :obset-id "14" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "14" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "14" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271869134000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "15" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:00.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "15" :obset-id "15" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "15" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "15" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271824777000 168.92892147651492 (Tic-Visit :proposal-id 11600 :visit-id "16" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:03.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "16" :obset-id "16" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "16" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "16" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271932335000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "17" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:06.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "17" :obset-id "17" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "17" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "17" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. (Tic-Visit :proposal-id 11600 :visit-id "18" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:08.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "18" :obset-id "18" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "18" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "18" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1253710522000 8.953412344041709 (Tic-Visit :proposal-id 11600 :visit-id "19" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:11.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "19" :obset-id "19" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "19" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "19" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. (Tic-Visit :proposal-id 11600 :visit-id "20" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:14.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "20" :obset-id "20" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "20" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "20" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1271943834000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "21" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:16.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "21" :obset-id "21" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "21" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "21" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. (Tic-Visit :proposal-id 11600 :visit-id "22" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:18.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "22" :obset-id "22" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "22" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "22" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1253071195000 12.916610782306407 (Tic-Visit :proposal-id 11600 :visit-id "23" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:23.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "23" :obset-id "23" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "23" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "23" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1253082678000 12.823496568416914 (Tic-Visit :proposal-id 11600 :visit-id "24" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:25.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "24" :obset-id "24" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "24" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "24" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1253848466000 8.271272544375506 (Tic-Visit :proposal-id 11600 :visit-id "25" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:27.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "25" :obset-id "25" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "25" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "25" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1272008640000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "26" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:31.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "26" :obset-id "26" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "26" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "26" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1270774567000 177.23881826141587 (Tic-Visit :proposal-id 11600 :visit-id "27" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:33.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "27" :obset-id "27" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "27" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "27" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. 1272024278000 165.0 (Tic-Visit :proposal-id 11600 :visit-id "28" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 18:53:35.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 20.0 :data-volume 4032112 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "28" :obset-id "28" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "28" :orbit-number 1 :pcs-time 333 :si-vis-utilization 3185 :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 3516 :pcs-gap 0 ) (Tic-Orbit :proposal-id 11600 :visit-id "28" :orbit-number 2 :pcs-time 222 :si-vis-utilization 3285 :al-overhead-at-end 0 :internal-dur-at-end 813 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "N" :pcs-visibility 3516 :pcs-gap 0 ) true 2 1 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of two bad exposures from visit 01. (Tic-Visit :proposal-id 11600 :visit-id "41" :proposal-version -1 :trans-version "20100505" :date "18-Aug-2010 18:55:14.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 1815840 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "41" :obset-id "41" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "41" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 946 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) false 1 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of two bad exposures from visit 02. (Tic-Visit :proposal-id 11600 :visit-id "42" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 14:15:50.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 1815840 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "42" :obset-id "42" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "42" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 946 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) true 1 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of visit 03. (Tic-Visit :proposal-id 11600 :visit-id "43" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 14:05:08.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 3631696 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "43" :obset-id "43" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "43" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) (Tic-Orbit :proposal-id 11600 :visit-id "43" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2848 :al-overhead-at-end 0 :internal-dur-at-end 1079 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) true 2 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of visit 04. (Tic-Visit :proposal-id 11600 :visit-id "44" :proposal-version -1 :trans-version "20100505" :date "20-Aug-2010 13:40:52.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 3631696 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "44" :obset-id "44" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "44" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) (Tic-Orbit :proposal-id 11600 :visit-id "44" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2848 :al-overhead-at-end 0 :internal-dur-at-end 1079 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) true 2 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of two bad exposures from visit 05. (Tic-Visit :proposal-id 11600 :visit-id "45" :proposal-version -1 :trans-version "20100505" :date "18-Aug-2010 19:01:18.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 1815840 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "45" :obset-id "45" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "45" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 946 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) false 1 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of visit 06. (Tic-Visit :proposal-id 11600 :visit-id "46" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 14:16:09.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 3631696 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "46" :obset-id "46" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "46" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) (Tic-Orbit :proposal-id 11600 :visit-id "46" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2848 :al-overhead-at-end 0 :internal-dur-at-end 1079 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) false 2 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of visit 07. (Tic-Visit :proposal-id 11600 :visit-id "47" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 14:16:17.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 3631696 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "47" :obset-id "47" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "47" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) (Tic-Orbit :proposal-id 11600 :visit-id "47" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2848 :al-overhead-at-end 0 :internal-dur-at-end 1079 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) false 2 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of two bad exposures from visit 08. (Tic-Visit :proposal-id 11600 :visit-id "48" :proposal-version -1 :trans-version "20100505" :date "18-Aug-2010 19:11:33.0" :trans-errors '(:WARNINGS 1 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 1 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 1815840 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "48" :obset-id "48" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "48" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 946 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) false 1 0 The scheduling data was generated by CASM 18.3.1. CASM was run in Phase II mode. This is a redo of visit 09. (Tic-Visit :proposal-id 11600 :visit-id "49" :proposal-version -1 :trans-version "20100505" :date "19-Aug-2010 14:16:26.0" :trans-errors '(:WARNINGS 2 :ERRORS 0 :HEALTH-AND-SAFETY 0 :FATAL-ERRORS 0 :CONTINUABLE-FATALS 0) :number-of-orbits 2 :saa-model "30" :si-bright-earth-limb-angle 40.0 :data-volume 3631696 :tdrss-contact-duration 0 :coron NIL ) (Tic-Obset :proposal-id 11600 :visit-id "49" :obset-id "49" :pcs-mode "FGS" ) (Tic-Orbit :proposal-id 11600 :visit-id "49" :orbit-number 1 :pcs-time 333 :si-vis-utilization 2847 :al-overhead-at-end 0 :internal-dur-at-end 0 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) (Tic-Orbit :proposal-id 11600 :visit-id "49" :orbit-number 2 :pcs-time 222 :si-vis-utilization 2848 :al-overhead-at-end 0 :internal-dur-at-end 1079 :dark-offset NIL :dark-utilization 0 :max-dark-utilization 1920 :low-sky "Y" :pcs-visibility 3070 :pcs-gap 427 ) false 2 0