UVCS MISSION LOG ---------------- Date: 17 February 2009 ----- Last revision: 24 February 2009 (Wu) -------------- File Name: 2009.02.24.a.log ---------- Compiled by: M. Uzzo, R. Wu ------------ UVCS Activity: Recover UVCS from Soft Safe Configuration -------------- Load and Start OVI Detector Dark Rate Diagnostic for 24 February 2009 Load Equatorial Coronal Observation for 24 - 25 February 2009 SOHO Activity: -------------- EOF Staff: M. Uzzo: Lead Scientist ---------- M. Uzzo: Commander, Planner R. Wu Command file: 09.02.24.12:31:09.cmd.log Activity: --------- 1) UVCS Recovery from Soft Safe Configuration Sequence: Manual SCI_SPEC: Completion of recovery of UVCS from soft safe configuration. OVI Detector High Voltage is powered on and ramped up at this time. Note: Recovery times (below) are approximate. OBS_PROG: SCI_OBJ: OBJ: CMP_NAME: CMP_NUM: Duration: start: 2009.02.19.12:35 end: 2009.02.24.12:55 ONUMs = 25156 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: 210000 - OVI MCP Voltage: 205 - OVI mask: OVI_303_8x2 in slot 3 Fits Files: 2) OVI Detector Dark Rate Diagnostic Sequence: OVI_dark_chk.tcl SCI_SPEC: Determine Dark count rate for OVI detector. Instrument rolled to coronal hole, 5.0 Ro with 0.8 mm exposed mirror. Script engages OVI filter and then disengages it at end. OBS_PROG: Calibration SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2009.02.24.12:55 end: 2009.02.24.13:56 ONUMs = 25157 (12 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 0 Degrees (18762) - Mirror/Occulter: 5.0 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 100 um - LYA GRTPOS: 100000 - OVI GRTPOS: 210000 - OVI Filter Engaged - OVI MCP Voltage: 205 - OVI mask: OVI_chk_1xfull in slot 6 Fits Files: q09.02.24.12:54:59.ovi.dat 3) Equatorial Coronal Observation Sequence: 09.01_StrProfOVI.tcl, sw = 40, n11 = 2 SCI_SPEC: A comprehensive study of several streamer properties including the outflow velocities, abundances, electron densities and temperatures. The spatial distribution of these physical properties are analyzed at multiple heights within several streamers examined over the course of the solar cycle. OBS_PROG: Primary: Spectral Resolution Sub Obj: Spatial Resolution SCI_OBJ: Primary: Coronal Dynamics...Nonthermal Velocities Sub Obj: Plasma Properties...Proton Temperature OBJ: Streamer CMP_NAME: CMP_NUM: Duration: start: 2009.02.24.14:06 end: 2009.02.25.13:57 ONUMs = 25158 (20 exps) 25159 (335 exps) 25160 (336 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 0 Degrees - Roll: 95 Degrees (36066) - Mirror/Occulter: 4.0 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 100 um - LYA GRTPOS: 100000 - OVI GRTPOS: 164600, 235900 - OVI MCP Voltage: 205 - OVI mask: OVI_str_Prof09 in slot 5 Fits Files: q09.02.24.14:05:58.ovi.dat q09.02.24.14:48:25.ovi.dat q09.02.25.02:22:49.ovi.dat