UVCS MISSION LOG ---------------- Date: 19 August 2005 ----- Last revision: 14 September 2005 (Wu) -------------- File Name: 2005.09.08.a.log ---------- Compiled by: M. Uzzo, R .Wu ------------ UVCS Activity: UVCS in Modified Hard Safe configuration for Keyhole -------------- SOHO Activity: Received from SOC via email Tuesday, 07 September 2005, -------------- at approximately 13:17 UT: 08 September 2005 SK/MM/Roll TIMELINE Last Update: 07 September 13 UT Standard Disclaimer: All times are in UT and are estimates. Total Fuel Usage = 0.0806536 kg OCD (offpoint flag, SVM times, ESR flags) due on Thursday, 01 September. SORR on Friday 02 September at 10:30 local. Limit violation sheets for safing due Wednesday, 07 September. Thursday 08 September 2005 -------------------------- D54 07:35 - 12:45 D53/D66 14:30 - 17:25 D24 17:15 - 23:40 D45/D46 23:20 - 03:20 SOC here by 14:30 UT SWAN safed by FOT, remove SWAN from ESR warning flag list MDI loop opened by FOT with warning ~1555 Experiment offpoint flag function disabled SK/MM/Roll - SK ~11 minutes, MM ~31 minutes, Roll ~26 minutes Burns should be complete by ~18:30 Experiment offpoint flags enabled for LASCO and MDI MDI loop closed by FOT after asking permission ~22:00 SWAN recovered by FOT, return SWAN to ESR warning flag list - 2 hours after last burn, then do recovery load (SWA05xxxxxxx.DEL) Friday 09 September 2005 ------------------------ D63/D66 08:10 - 17:20 D14/D16 23:20 - 00:45 SVM reserve time 14:00 - 15:00 LASCO recovery at ~12:00 LASCO added to ESR flag list EOF Staff: R. Wu: Lead Scientist ---------- Y.-K. Ko M. Uzzo 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 Keyhole Period. OVI Slit is set to 100 microns, instrument is rolled to the nominal East (35156 Engineering Units). Detector High Voltage is ramped down and then turned off, 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. Internal Spectrometer Heater is not turned on. In addition to "traditional" Hard Safe configuration, all UVCS detectors are powered off. FOT use ESR Limit Table, TSU Substitution Heater (Circuit #84) powered on, using duty cycle of 50%. Experiment Offpoint, and ESR Flags disabled for Keyhole. Spacecraft Roll begun at approximately 19:27 UT, completed at approximately 19:45 UT. OBS_PROG: SCI_OBJ: OBJ: CMP_NAME: CMP_NUM: Duration: start: 2005.09.08.16:00 end: 2005.09.08.19:45 ONUMs = 48677 Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 270 Degrees (35156) - Mirror/Occulter: 1.5 Ro 1.5 mm overocculting - LYA Slit: 50 um - OVI Slit: 100 um - LYA GRTPOS: 128000 - OVI GRTPOS: 229000 - LYA HIGH VOLTAGE RAMPED DOWN DOWN AND POWERED OFF - OVI HIGH VOLTAGE RAMPED DOWN DOWN AND POWERED OFF - VLD HIGH VOLTAGE RAMPED DOWN DOWN AND POWERED OFF - LYA DETECTOR POWERED OFF - OVI DETECTOR POWERED OFF - VLD DETECTOR POWERED OFF - OVI mask: OVI_Syn_230 in slot 1 Fits Files: 2) 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 Keyhole Period. OVI Slit is set to 100 microns, instrument is rolled to the nominal East (35156 Engineering Units). Detector High Voltage is ramped down and then turned off, 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. Internal Spectrometer Heater is not turned on. In addition to "traditional" Hard Safe configuration, all UVCS detectors are powered off. FOT use ESR Limit Table, TSU Substitution Heater (Circuit #84) powered on, using duty cycle of 50%. Experiment Offpoint, and ESR Flags disabled for Keyhole. OBS_PROG: SCI_OBJ: OBJ: CMP_NAME: CMP_NUM: Duration: start: 2005.09.08.19:45 end: 2005.09.09.16:00 ONUMs = 48677 Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 90 Degrees (35156) - Mirror/Occulter: 1.5 Ro 1.5 mm overocculting - LYA Slit: 50 um - OVI Slit: 100 um - LYA GRTPOS: 128000 - OVI GRTPOS: 229000 - LYA HIGH VOLTAGE RAMPED DOWN DOWN AND POWERED OFF - OVI HIGH VOLTAGE RAMPED DOWN DOWN AND POWERED OFF - VLD HIGH VOLTAGE RAMPED DOWN DOWN AND POWERED OFF - LYA DETECTOR POWERED OFF - OVI DETECTOR POWERED OFF - VLD DETECTOR POWERED OFF - OVI mask: OVI_Syn_230 in slot 1 Fits Files: