u9_lco_250cm_2200nm_predicted_ring_event_times.txt produced Sun Apr 4 14:32:59 2021 using rfrench@Achilles.fios-router.home:/Volumes/PromisePegasus28TB_backup/dione_raid2/Research/uranus/PDART2014/programs/pro_occinfo2geom_plots_pds4_v7.pro Bundle ID: uranus_occ_u9_lco_250cm Event: u9 Planet: Uranus Reference: Nicholson et al. (1981) Astron J. 86, 597 Title: The Uranus occultation of 10 June 1979. I. The rings Computations from: 1979-06-10T01:35:13.6550Z to 1979-06-10T02:54:00.8400Z Observatory name: Las Campanas Observatory Observatory code file directory: /Volumes/dione_raid2/Research/kernels/ Observatory code file: ObsCodes_pck00010_20200709_Elon+ocobs_v9BJ.obs Observatory code: 304 Observatory abbreviation: lco Entry from observatory code file: 304 G +289 17 52.80 -29 00 12.8 2270 Las Campanas Observatory pck00010.tpc Telescope: 250cm Instrument: Generic InSb High Speed Photometer Mean wavelength (nm) 2200nm Observatory latitude (deg): -29.003555556 Observatory E longitude (deg): 289.298000000 Observatory altitude (km): 2.270000000 Ellipsoid source: /Volumes/dione_raid2/Research/kernels/pck00010.tpc Observatory reference frame: ITRF93 Earth equatorial radius (km): 6378.136600000 Earth 1/flattening: 298.257006177 Topocentric position vector: 1845.617303240 -5270.845524126 -3075.346302194 Leapsecond kernel file: /Volumes/dione_raid2/Research/kernels/naif0012.tls Star catalog directory: /Volumes/dione_raid2/Research/RINGFIT/stars/data/ Star catalog file: ustarsALLd.v3.merged.sortedA.csv Star catalog ID: 25547691 Star number: 108 Star name: U9 Star source catalog: UCAC2 Star RA (deg): 225.692571800 Star Dec (deg): -16.887355900 Star epoch: 2000-01-01T00:00:00.0000Z Star parallax (mas): 0.000000000 Star pm RA (mas/yr): -14.900000000 Star pm Dec (mas/yr): -4.600000000 Star catalog positions in frame: J2000 Star frame for calculations: J2000 Heliocentric frame for calculations: J2000 Ringfit savefile directory: /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/savefiles/ Ringfit savefile for star/time offsets: ringfit_v1.8.Ur017L-RF-V0204.sav Ringfit output file directory: /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/outfiles/ Ringfit output file: ringfit_v1.8.Ur017L-RF-V0204.out Star offsets dRA,dDec (mas): -231.522907051 -21.439857817 Time offset for this obstr./event (sec): 0.000000000 Kernel directory: /Volumes/dione_raid2/Research/kernels/ ../../../../kernels/ura111.bsp ../../../../kernels/vgr2.ura111.bsp ../../../../kernels/earthstns_itrf93_040916.bsp ../../../../kernels/earth_720101_031229.bpc ../../../../kernels/pg3f0000r.bsp ../../../../kernels/pg490000r.bsp ../../../../kernels/naif0012.tls /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/savefiles/../kernels/RAJobs_U111+rgf9.spk /Volumes/dione_raid2/Research/RINGFIT/tests/Uranus/Ur017L/savefiles/../kernels/URKALLv1.spk /Volumes/dione_raid2/Research/kernels/uranus_ringframes_rfrench20201201_v1.tf /Volumes/dione_raid2/Research/kernels/pck00010.tpc Predicted Ring/Atmosphere Occultation Events -------------------------------------------------------------------------------------------------------------------------------------- Ring I/E ------ UTC(Earth) ----- ----- UTC(@ring) ------ R(model) R-dot Anomaly Sin B Ulon Alt(deg) Sun(deg) -------------------------------------------------------------------------------------------------------------------------------------- epsilon I 1979-06-10T01:35:17.33Z 1979-06-09T23:07:08.73Z 51337.96 -21.282 118.076 -0.86246 12.137 71.969 -47.872 lambda I 1979-06-10T01:36:18.99Z 1979-06-09T23:08:10.39Z 50026.01 -21.271 123.307 -0.86246 12.341 72.142 -48.097 delta I 1979-06-10T01:37:40.14Z 1979-06-09T23:09:31.53Z 48300.34 -21.257 292.517 -0.86246 12.627 72.368 -48.392 gamma I 1979-06-10T01:38:11.72Z 1979-06-09T23:10:03.11Z 47629.09 -21.250 240.801 -0.86246 12.744 72.455 -48.507 eta I 1979-06-10T01:38:33.04Z 1979-06-09T23:10:24.43Z 47176.07 -21.246 354.805 -0.86246 12.825 72.514 -48.585 beta I 1979-06-10T01:39:44.64Z 1979-06-09T23:11:36.04Z 45657.48 -21.231 280.746 -0.86242 13.107 72.709 -48.845 alpha I 1979-06-10T01:40:30.15Z 1979-06-09T23:12:21.54Z 44695.10 -21.222 46.082 -0.86233 13.295 72.833 -49.011 four E 1979-06-10T02:47:16.19Z 1979-06-10T00:19:07.53Z 42559.22 21.202 74.591 -0.86224 175.121 77.365 -63.587 alpha E 1979-06-10T02:48:59.64Z 1979-06-10T00:20:50.98Z 44748.58 21.227 208.268 -0.86233 175.585 77.256 -63.961 beta E 1979-06-10T02:49:42.74Z 1979-06-10T00:21:34.07Z 45658.89 21.236 83.307 -0.86242 175.765 77.207 -64.117 eta E 1979-06-10T02:50:54.28Z 1979-06-10T00:22:45.61Z 47176.38 21.250 157.938 -0.86246 176.048 77.122 -64.376 gamma E 1979-06-10T02:51:15.28Z 1979-06-10T00:23:06.61Z 47622.66 21.255 44.094 -0.86246 176.128 77.096 -64.452 delta E 1979-06-10T02:51:47.16Z 1979-06-10T00:23:38.49Z 48300.48 21.261 96.049 -0.86246 176.246 77.055 -64.567 lambda E 1979-06-10T02:53:08.28Z 1979-06-10T00:24:59.61Z 50026.01 21.277 287.418 -0.86246 176.532 76.948 -64.860 epsilon E 1979-06-10T02:53:56.78Z 1979-06-10T00:25:48.11Z 51058.15 21.285 282.560 -0.86246 176.694 76.881 -65.035 Event geometry at 1979-06-10T02:15:06.0000Z -------------------------------------- Ring opening angle B (deg): -59.59409 Position angle of pole P (deg): 91.32323 Observer-planet distance (km): 2664.782318 x 10^6 Light travel time (sec): 8888.757028