UVCS MISSION LOG ---------------- Date: 14 July 2009 ----- Last revision: 17 July 2009 (Wu) -------------- File Name: 2009.07.14.a.log ---------- Compiled by: M. Uzzo, R. Wu ------------ UVCS Activity: Recover UVCS from Modified Safe Configuration -------------- Conduct OVI Stimulus Pulse Test Recover UVCS from Soft Safe Configuration Load and Start OVI Detector Dark Rate Diagnostic for 14 July 2009 Load OVI Detector Rate Diagnostic for 14 - 15 July 2009 Load North Coronal Hole Study for 15 July 2009 Load North Coronal Hole Study for 15 - 16 July 2009 Load OVI Detector Rate Diagnostic for 16 July 2009 Load North Coronal Hole Study for 16 - 17 July 2009 SOHO Activity: -------------- EOF Staff: M. P. Miralles / J. Kohl: Lead Scientist ---------- M. Uzzo: Commander, Planner R. Wu Command file: 09.07.14.14:40:50.cmd.log Activity: --------- 1) Recover UVCS from Modified Hard Safe Configuration Sequence: Manual SCI_SPEC: UVCS is recovered from a modified Hard Safe Configuration into a Soft Safe configuration following SOHO ESR recovery to nominal mode. Detector High Voltage remains ramped down and turned off UVCS Aperture Door is opened at this time. Internal SPA1 and Mirror / Occulter Heaters set to 0% duty cycle (255). OVI Detector Timing and Charge Thresholds set. FOT told to continue to ignore UVCS limits until 00:00. FOT component of UVCS recovery already completed. ESR Warning Flag enabled at 22:20 UT, 13 July. Experiment Offpoint Flag enabled at aaproximately 19:38 UT, 14 July. UVCS NRT portion of recovery begins at approximately 21:36 UT. Note: Recovery times (below) are approximate. OBS_PROG: SCI_OBJ: OBJ: CMP_NAME: CMP_NUM: Duration: start: 2009.07.14.21:36 end: 2009.07.14.21:53 ONUMs = 25620 Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 352.09 Degrees (50331) - Mirror/Occulter: 2.1 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 232100 - 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 ON - VLD DETECTOR POWERED OFF - OVI mask: OVI_Hole_237 in slot 2 Fits Files: 2) OVI Stimulus Pulse Test Sequence: TakeUV_TxN.tcl SCI_SPEC: OBS_PROG: SCI_OBJ: OBJ: CMP_NAME: CMP_NUM: Duration: start: 2009.07.14.21:53 end: 2009.07.14.21:57 ONUMs = 25621 (2 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 352.09 Degrees (50331) - Mirror/Occulter: 2.1 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 232100 - LYA MCP Voltage: 0 - OVI MCP Voltage: 0 - OVI mask: OVI_303_8x2 in slot 3 Fits Files: q09.07.14.21:52:27.ovi.dat 3) 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: 2009.07.14.21:57 end: 2009.07.14.22:10 ONUMs = 25621 Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 352.09 Degrees (50331) - Mirror/Occulter: 2.1 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 232100 - OVI MCP Voltage: 205 - OVI mask: OVI_303_8x2 in slot 3 Fits Files: 4) 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: 2009.07.14.22:10 end: 2009.07.14.23:11 ONUMs = 25622 (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 - OVI mask: OVI_chk_1xfull in slot 6 Fits Files: q09.07.14.22:10:02.ovi.dat 5) OVI Detector Diagnostic Sequence: OVI_164_chk.tcl SCI_SPEC: Instrument Diagnostics OBS_PROG: Spatial Resolution SCI_OBJ: Calibration OBJ: Coronal Hole CMP_NAME: CMP_NUM: Duration: start: 2009.07.14.23:12 end: 2009.07.15.00:13 ONUMs = 25623 (12 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 0 Degrees (51551) - Mirror/Occulter: 1.75 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 164600 - OVI MCP Voltage: 205 - OVI mask: OVI_chk_1xfull in slot 6 Fits Files: q09.07.14.23:10:56.ovi.dat 6) North Polar Coronal Hole Study Sequence: 09.07_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: 2009.07.15:00:16 end: 2009.07.15.23:17 ONUMs = 25624 (319 exps) 25625 (347 exps) Instrument configuration: - Pointing: Sun center - Spacecraft Roll: 180 Degrees - Roll: 352.09 Degrees (50331) - Mirror/Occulter: 2.1 Ro 1.5 mm overocculting - LYA Slit: 100 um - OVI Slit: 50 um - LYA GRTPOS: 100000 - OVI GRTPOS: 232100 - OVI MCP Voltage: 205 - OVI mask: OVI_Hole_237 in slot 2 Fits Files: q09.07.15.00:16:07.ovi.dat q09.07.15.11:17:27.ovi.dat