UVCS MISSION LOG ---------------- Date: 22 April 2001 ----- Last revision: 25 April 2001 (MU) -------------- File Name: 2001.04.23.a.log ----------- Compiled by: Y.-K. Ko ------------ UVCS Activity: Mid-latitude Coronal Hole Study for -------------- 23 April - 24 April 2001 Long Synoptic for 24 April 2001 SOHO Activity: -------------- EOF Staff: J. Kohl: Lead Scientist ---------- Y.-K. Ko: Commander S. Mancuso: Planner, Commander M. Uzzo Command file: 01.04.22.15:26:54.cmd.log Activity: --------- 1) Observation of Mid-Latitude Coronal Hole Sequence: 01.01_hole1a.tcl SCI_SPEC: Characterization of a mid-latitude coronal hole. Goal is to measure the properties of a mid-latitude 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 polar coronal holes. Roll positions are VL-corrected for PA=229 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: 2001.04.23.18:27 end: 2001.04.24.04:37 ONUMs = 16099 (24 exps) 16100 (36 exps) Instrument configuration: - Pointing: Sun center - Roll: 59032, 59245, 59448 (221.093, 222.267, 223.381) - Mirror/Occulter: 1.7, 2.0, 2.4 Ro 1.5 mm overocculting - LYA Slit: 50 um - OVI Slit: 50, 75 um - LYA GRTPOS: 128000 - OVI GRTPOS: 168208 - LYA mask: LYA_93_1sec in slot 2 - OVI mask: OVI_168MPM in slot 1 Fits Files: q01.04.23.18:18:38.lya.dat.Z q01.04.23.18:18:38.ovi.dat.Z q01.04.23.18:18:38.vld.dat.Z GAP between 04/23/01|20:00:39( 5258) and 04/23/01|20:23:57( 7498) q01.04.23.22:23:47.lya.dat.Z q01.04.23.22:23:47.ovi.dat.Z q01.04.23.22:23:47.vld.dat.Z 2) Synoptic Sequence Load and Start Sequence: SynopticA:Start SCI_SPEC: Synoptic studies. LYA HV off / OVI voltage at 205, LYA grating position now at 128000 "permanently". OBS_PROG: Synoptic SCI_OBJ: Synoptic OBJ: Entire Corona CMP_NAME: CMP_NUM: Duration: start: 2001.04.24.05:09 end: 2001.04.24.18:22 ONUMs = 34990 (37 exps) 34991 (37 exps) 34992 (37 exps) 34993 (37 exps) 34994 (37 exps) 34995 (37 exps) 34996 (37 exps) 34997 (51 exps) Instrument configuration: - Pointing: Sun center - Roll: W: STR2B, NW: STR2B, N: STR2B, NE: STR2B, E: STR2B, SE: STR2B, S: STR2B, SW: STR5A - Mirror/Occulter: STR1A: 3.5, 3.0, 2.5. 2.1, 1.9, 1.75, 1.6 Ro STR2B: 3.0, 2.5. 2.1, 1.9, 1.75, 1.6 Ro STR3A: 3.5, 3.0 Ro STR4B: 4.0 Ro STR5A: 2.1, 1.9, 1.75, 1.6 Ro STR6B: 2.5 Ro STR7B: 3.0 Ro CH1A: 1.9, 1.75, 1.6 Ro CH2A: 2.1 Ro CH2B: 2.1 Ro CH3B: 2.5 Ro CH4A: 1.75, 1.6 Ro CH5B: 1.9 Ro 1.5 mm overocculting (1.6 Ro) 2.0 mm overocculting (1.75, 1.9, 2.1, 2.5, 3.0, 3.5, 4.0 Ro) - LYA Slits: 50 um - OVI Slits: 150 um (STR1A, STR2B, STR3A, STR4B, CH1A, CH2A, CH2B, CH3B) 100 um (CH4A, CH5B) 75 um (STR5A, STR6B, STR7B) - LYA GRTPOS: 128000 - OVI GRTPOS: 168208 - LYA mask: LYA_93_1sec in slot 2 - OVI mask: OVI_CME_168 in slot 4 Fits Files: z01.04.24.05:08:49.lya.dat.Z z01.04.24.05:08:49.ovi.dat.Z z01.04.24.05:08:49.vld.dat.Z z01.04.24.06:43:03.lya.dat.Z z01.04.24.06:43:03.ovi.dat.Z z01.04.24.06:43:03.vld.dat.Z z01.04.24.08:17:40.lya.dat.Z z01.04.24.08:17:40.ovi.dat.Z z01.04.24.08:17:40.vld.dat.Z z01.04.24.09:52:17.lya.dat.Z z01.04.24.09:52:17.ovi.dat.Z z01.04.24.09:52:17.vld.dat.Z z01.04.24.11:27:02.lya.dat.Z z01.04.24.11:27:02.ovi.dat.Z z01.04.24.11:27:02.vld.dat.Z z01.04.24.13:01:42.lya.dat.Z z01.04.24.13:01:42.ovi.dat.Z z01.04.24.13:01:42.vld.dat.Z z01.04.24.14:35:53.lya.dat.Z z01.04.24.14:35:53.ovi.dat.Z z01.04.24.14:35:53.vld.dat.Z z01.04.24.16:10:33.lya.dat.Z z01.04.24.16:10:33.ovi.dat.Z z01.04.24.16:10:33.vld.dat.Z GAP between 04/24/01|16:00:50( 5885) and 04/24/01|16:30:56( 8770)