UVCS MISSION LOG ---------------- Date: 6 February 1997 ----- Last revision: 21 February 1997 (Wu) ------------- File Name: 97.02.06.a.log ----------- Compiled by: R. O'Neal ------------ UVCS Activity: VLC Stray Light Polarization -------------- Start synoptic for February 7 SOHO Activity: None -------------- EOF Staff: S. Fineschi: Lead Scientist --------- M. Romoli R. O'Neal A. Modigliani R. Wu Command file: 97.02.06.15:12:58.cmd.log 97.02.06.17:56:26.cmd.log Activity: 1) VLC Stray Light Polarization Sequence: 97.02.06_VLCMS.tcl SCI_SPEC: The purpose of these measurements is to characterize the possible polarization of the instrument stray light. Specifically, the experiment is aimed at measuring the degree of linear polarization of the light diffracted by the external occulter. OBS_PROG: Calibration SCI_OBJ: VLC Stray Light OBJ: Coronal Hole CMP_NO: CMP_NAME: Duration: start: 97.02.06.17:42 end: 97.02.07.01:01 ONUMs = 3391 (1 VLD exp group; aborted) 3392 (9 VLD exp groups) 3393 (5 VLD exp groups) 3394 (5 VLD exp groups) 3395 (3 VLD exp groups) 3396 (3 VLD exp groups) Instrument configuration: - Pointing: Sun center & Offpointing( .25, .5 Rsun from limb) - Roll: PA= 0 degrees (North) - Mirror/Occulter: 1.5 1.75, 2.25, 2.5 2.75 3.0 Ro 1.5 mm overocculting - VLC ND Filter: Disengaged - LYA XDL: Off - OVI XDL: Off Fits files: q97.02.06.17:41:22.vld.dat q97.02.06.18:18:30.vld.dat q97.02.06.20:48:02.vld.dat q97.02.06.22:19:47.vld.dat q97.02.06.23:52:29.vld.dat q97.02.07.00:30:25.vld.dat 2) Synoptic Sequence Load and Start Sequence: Synoptic1:Start SCI_SPEC: Synoptic studies OBS_PROG: Synoptic SCI_OBJ: Synoptic OBJ: Entire Corona Duration: start: 97.02.07.01:20 end: 97.02.07.15:04 ONUMs = 3397 (57 exps) 3398 (24 exps) 3399 (36 exps) 3400 (24 exps) 3401 (57 exps) 3402 (24 exps) 3403 (36 exps) 3404 (24 exps) Instrument configuration: - Pointing: Sun center - Roll: W, NW, N, NE, E, SE, S, SW - Mirror/Occulter: 1.5, 1.75, 2.0, 2.25, 2.50 Ro (Polar scan) 1.5, 1.75, 2.0, 2.25 Ro (MidLat scan) 1.5, 1.7, 1.9, 2.2, 2.6, 3 Ro (Equat. scan) 1.5 mm overocculting - LYA Slits: 50 um - OVI Slits: 300 um - LYA GRTPOS: 90000 - OVI GRTPOS: 155000 - LYA mask: LYA_Syn9 in slot 2 - OVI mask: OVI_Syn12 in slot 2 Fits Files: q97.02.07.01:19:09.lya.dat q97.02.07.01:19:09.ovi.dat q97.02.07.01:19:09.vld.dat q97.02.07.03:12:35.lya.dat q97.02.07.03:12:35.ovi.dat q97.02.07.03:12:35.vld.dat q97.02.07.04:05:22.lya.dat q97.02.07.04:05:22.ovi.dat q97.02.07.04:05:22.vld.dat q97.02.07.07:21:15.lya.dat q97.02.07.07:21:15.ovi.dat q97.02.07.07:21:15.vld.dat q97.02.07.08:14:02.lya.dat q97.02.07.08:14:02.ovi.dat q97.02.07.08:14:02.vld.dat q97.02.07.10:07:31.lya.dat q97.02.07.10:07:31.ovi.dat q97.02.07.10:07:31.vld.dat q97.02.07.11:00:24.lya.dat q97.02.07.11:00:24.ovi.dat q97.02.07.11:00:24.vld.dat q97.02.07.14:16:22.lya.dat q97.02.07.14:16:22.ovi.dat q97.02.07.14:16:22.vld.dat