UVCS MISSION LOG ---------------- Date: 04 November 2008 ----- Last revision: 22 November 2008 (Wu) -------------- File Name: 2008.11.16.a.log ---------- Compiled by: M. Uzzo, R. Wu ------------ UVCS Activity: UVCS in Modified Hard Safe Configuration -------------- SOHO Activity: 18 November 2008 SK/MM/Roll TIMELINE -------------- Last Update: 14 Novebmer 2008 16 UT EBZ Standard Disclaimer: All times are in UT and are estimates. Total Fuel Usage: 0.0514 kg OCD (offpoint flag, SVM times, ESR flags) due 13 Nov SORR on 14 Nov at 9am Limit violation sheets for safing due Monday morning 17 November MONDAY -- 17 NOV 2008 --------------------- D54 08:30 - 10:30 D15/D46 20:20 - 22:45 SOCs here at 13-23 UT UVCS already safed on 04 November SVM Reserve Time at 20:20 UT LASCO safes (~30 minutes) at ~21 UT CDS safes (use TSTOLs c_fl_submode_prep and c_fl_shutdoors, remove CDS from ESR flag warning list (from Maneuver Prep Script), NRT for safing, turn on sub. htr. 62 at 60%) at ~21:30 UT EOF Staff: R. Wu: Lead Scientist ---------- R. Wu: Commander M. Uzzo: Planner Command file: No Commanding Activity: --------- 1) UVCS in Modified Hard Safe Configuration Sequence: None SCI_SPEC: Following completion of Science Observations, UVCS is placed into a modified Hard Safe configuration in preparation for the SOHO High Gain Antenna Keyhole Period of November 2008. OVI and LyA Slits are set to 100 microns, instrument is rolled to nominal East (35156 Engineering Units). Detector High Voltage is ramped down and then turned off. The Mirror is moved to 1.5 Solar Radii with 1.5 mm overocculting. UVCS Aperture Door is also closed 708 steps, Internal Mirror / Occulter Heater set to 100% duty cycle (64). FOT using ESR Limit Set, TSU Substitution Heater (Circuit #84) powered on and set to 50% duty cycle. UVCS removed from Experiment Offpoint and ESR warning lists for Keyhole. OBS_PROG: SCI_OBJ: OBJ: CMP_NAME: CMP_NUM: Duration: start: 2008.11.16.17:00 end: 2008.11.17.17:00 ONUMs = 24909 Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 90 Degrees (35156) - Mirror/Occulter: 1.5 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 100 um - LYA GRTPOS: 100000 - OVI GRTPOS: 164600 - LYA HIGH VOLTAGE RAMPED DOWN AND POWERED OFF - OVI HIGH VOLTAGE RAMPED DOWN AND POWERED OFF - VLD HIGH VOLTAGE RAMPED DOWN AND POWERED OFF - LYA DETECTOR POWERED OFF - OVI DETECTOR POWERED OFF - VLD DETECTOR POWERED OFF - LYA mask: LYA_wing_100 in slot 5 - OVI mask: OVI_sp2_164 in slot 4 Fits Files: GAP between 11/16/08|12:19:42(12286) and 11/16/08|21:02:40(13371) GAP between 11/16/08|22:56:27( 7927) and 11/17/08|06:02:52(16126) GAP between 11/17/08|07:59:47(10975) and 11/17/08|08:32:41(14133) GAP between 11/17/08|10:29:40( 8991) and 11/17/08|20:24:25( 595)