; This file contains the CDS CRUISE PHASE TIME-LINE ; ; Compiled by R.A. Harrison in discussion with ; E.C. Sawyer, B.J. Kent, D.J. Parker, J. Payne, ; C.D. Pike and S.J. Peskett - July 1994. ; ; Updated: R.A. Harrison - November 1994. ; Minor updates: R.A. Harrison - January 1995. ; ; Time-line has the required format: TIME # ACTION # COMMENT ; Time has the format: ddd & hh:mm:ss, or ddd, or ddd & hh, or ddd & hh:mm ; ************ ASSUMES GODDARD TIME ***************** ; ; The purpose of this is to make the file machine readable for input to ; the SOHO timeline IDL program ; ; Blank lines and comment lines -- preceeded by ";" -- are ignored ; 0 & 00:00 # Launch of SOHO # ; 4 & 00:00 # Science Data Acquisition Possible # 4 & 06:00 # Initial CDS Switch On #CDS To Standby/Eng Data Onset ; 20 & 00:00 # 2nd Mid Course Correction # 23 & 08:00 # Initial Commissioning Test # ; Includes basic mode tests, table loads/dumps, voltage checks, ; heater and filament checks - NO HIGH VOLTAGES. DOORS SHUT. 40 & 00:00 # CDS In Flight System Functional Tests # DOORS SHUT ; Includes modified SFTs - MCU, EPS, GIS, VDS, CDHS 46 & 00:00 # Pre-Sunlight Commissioning Activity # with high voltages ; Includes mode checks with high voltages, GI initial detector ; calibration with filaments, detector scrubbing if required, ; flag checks 51 & 08:00 # Open Door Sequence/Start Thermal Control # Fully Outgassed ; Procedure - 1. Detector HV on with doors shut, 2. Off, ; 3. Open Door, Wait for 0.5 day to outgas ; 4. Independent Thermal Control Starts ; 08:00 timed for GSFC operational day. 52 & 12:00 # CDS In Flight System Function Tests # DOORS OPEN ; 56 & 08:00 # Start test sequences # Blue book, Version 5, p. 73-84 56 & 08:00 # TEST1 - GI Switch on Study #GI detector cal and 1st spectrum 57 & 08:00 # TEST2 - NI Switch on Study # 1st NI spectrum 58 & 08:00 # Thermal Check Out # 62 & 08:00 # SPECT - GI Spectral Atlas # ; First Scientific Study and Start of Synoptic, Calibration ; Monitoring Programme 63 & 08:00 # TEST3 - Course pointing calibration # 64 & 08:00 # SPECT - GI Spectral Atlas # ; SPECT (and NISAT) to be run on a variety of targets to ; establish intensity ranges etc... ; ***** Also, GIS dumps should be taken during this period ; for the different targets to firmly establish spiral fits ; prior to day 80.****** 65 & 08:00 # TEST4 - Fine pointing calibration # 66 & 08:00 # SPECT - GI Spectral Atlas # 67 & 08:00 # TEST5 - GI test study # 68 & 08:00 # SPECT - GI Spectral Atlas # 69 & 08:00 # TEST6 - NI test study 1 # 70 & 08:00 # SPECT - GI Spectral Atlas # 71 & 08:00 # TEST7 - NI test study 2 # 72 & 08:00 # NISAT - NI Spectral Atlas # 73 & 08:00 # SYNOP - Synoptic Scan # 74 & 08:00 # SPECT - GI Spectral Atlas # 75 & 20:00 # Close doors # Before wheel off-load maneuver ; 76 & 00:00 # S/C Wheel Offload # 77 & 08:00 # Open doors # ; 77 & 12:00 # continue test sequences # 77 & 12:00 # NISAT - NI Spectral Atlas # 78 & 08:00 # SPECT - GI Spectral Atlas # 79 & 08:00 # SYNOP - Synoptic Scan # 80 & 00:00 # START OF CDS SCIENCE OPERATIONS # ; 114 & 20:00 # Close doors # Prior to Halo Orbit Insertion ; 115 & 00:00 #S/C Halo Insertion Man. # 120 & 06:00 # Open doors # After HOI 120 & 08:00 # Continue Science Operations # ; End of file