UVCS MISSION LOG ---------------- Date: 31 December 2008 ----- Last revision: 02 January 2009 (Wu) -------------- File Name: 2008.12.31.a.log ---------- Compiled by: M. Uzzo, R. Wu ------------ UVCS Activity: Load and Start OVI Detector Dark Rate Diagnostic for -------------- 31 December 2008 Load North Polar Coronal Hole OVI Observation for 31 December 2008 - 01 January 2009 Load North Polar Coronal Hole LYA Observation for 01 January 2009 Load North Polar Coronal Hole OVI Observation for 01 - 02 January 2009 Load OVI Detector Dark Rate Diagnostic for 02 January 2009 Load North Polar Coronal Hole OVI Observation for 02 - 03 January 2009 Load North Polar Coronal Hole OVI Observation for 03 - 04 January 2009 Load OVI Detector Dark Rate Diagnostic for 04 January 2009 Load North Polar Coronal Hole OVI Observation for 04 - 05 January 2009 SOHO Activity: Received via email Thursday, 01 January 2009, -------------- 07:00:43 GMT: OBT DISTRIBUTED TO UVCS BY FOT EOF Staff: M. P. Miralles: Lead Scientist ---------- M. Uzzo: Commander, Planner R. Wu Command file: 08.12.31.13:41:28.cmd.log Activity: --------- 1) 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. Note: New Nominal OVI MCP Voltage = 205 OBS_PROG: Calibration SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2008.12.31.18:17 end: 2008.12.31.19:18 ONUMs = 25037 (12 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 0 Degrees (51551) - Mirror/Occulter: 5.0 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 210000 - OVI Filter Engaged - OVI MCP Voltage: 205 (Nominal) - OVI mask: OVI_chk_1xfull in slot 6 Fits Files: q08.12.31.18:17:23.ovi.dat 2) North Polar Coronal Hole Observations Sequence: 08.11_hole.tcl, n = 8, m = 1, p = 0, r = 1, e = 0 SCI_SPEC: Characterization of a polar coronal hole. Goal is to measure the properties of a polar coronal hole. In particular we are interested in the coronal conditions (intensities and line widths for HI Ly-alpha and OVI 1032/1037) as a function of height and latitude. We will compare these properties with the ones found in non-polar coronal holes. Roll positions are VL-corrected for PA=0 degrees. OBS_PROG: Primary: Sensitivity Sub Obj: Spatial Coverage SCI_OBJ: Plasma Properties...Proton and Ion Temperatures OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2008.12.31.19:21 end: 2009.01.01.18:21 ONUMs = 25038 (320 exps) 25039 (348 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 352.09 Degrees (50111) - Mirror/Occulter: 1.7 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 223500 - OVI MCP Voltage: 205 - OVI mask: OVI_EclipSyn_215 in slot 2 Fits Files: q08.12.31.19:20:43.ovi.dat q09.01.01.06:22:03.ovi.dat