UVCS MISSION LOG ---------------- Date: 24 April 2001 ----- Last revision: 26 April 2001 (MU) -------------- File Name: 2001.04.24.a.log ----------- Compiled by: Salvatore Mancuso ------------ UVCS Activity: Mid-latitude Coronal Hole Study for -------------- 24 April - 25 April 2001 Long Synoptic for 25 April 2001 SOHO Activity: -------------- EOF Staff: J. Kohl: Lead Scientist ---------- S. Mancuso: Planner, Commander Y.-K. Ko M. Uzzo Command file: 01.04.24.15:56:42.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: 2001.04.24.18:25 end: 2001.04.25.04:35 ONUMs = 16101 (27 exps) 16102 (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: q01.04.24.18:23:42.lya.dat.Z q01.04.24.18:23:42.ovi.dat.Z q01.04.24.18:23:42.vld.dat.Z q01.04.24.22:21:57.lya.dat.Z q01.04.24.22:21:57.ovi.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: 2001.04.25.05:07 end: 2001.04.25.18:21 ONUMs = 34998 (37 exps) 34999 (37 exps) 35000 (28 exps) 35001 (35 exps) 35002 (37 exps) 35003 (37 exps) 35004 (37 exps) 35005 (39 exps) Instrument configuration: - Pointing: Sun center - Roll: W: STR2B, NW: STR2B, N: STR2B, NE: STR2B, E: STR2B, SE: STR2B, S: STR2B, SW: STR1A - 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: z01.04.25.05:07:08.lya.dat z01.04.25.05:07:08.ovi.dat z01.04.25.05:07:08.vld.dat z01.04.25.06:42:22.lya.dat z01.04.25.06:42:22.ovi.dat z01.04.25.06:42:22.vld.dat z01.04.25.08:16:35.lya.dat z01.04.25.08:16:35.ovi.dat z01.04.25.08:16:35.vld.dat GAP between 04/25/01|09:27:30( 8139) and 04/25/01|10:00:22(11290) z01.04.25.09:51:14.lya.dat z01.04.25.09:51:14.ovi.dat z01.04.25.09:51:14.vld.dat z01.04.25.11:25:39.lya.dat z01.04.25.11:25:39.ovi.dat z01.04.25.11:25:39.vld.dat z01.04.25.13:00:06.lya.dat z01.04.25.13:00:06.ovi.dat z01.04.25.13:00:06.vld.dat z01.04.25.14:35:01.lya.dat z01.04.25.14:35:01.ovi.dat z01.04.25.14:35:01.vld.dat z01.04.25.16:09:27.lya.dat z01.04.25.16:09:27.ovi.dat z01.04.25.16:09:27.vld.dat GAP between 04/25/01|16:18:10(14824) and 04/25/01|16:56:10( 2094)