Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.stsci.edu/smov/SMOV4%20WEB%20PAGE%20OCT2007/smov4notes/smov4_meeting_notes_17Jul09.pdf Дата изменения: Mon Jul 20 16:40:23 2009 Дата индексирования: Sat Mar 1 23:58:05 2014 Кодировка: Поисковые слова: внешние планеты

SMOV4 Status & Planning Mtg - 17Jul09 - Notes and associated files Spacecraft Subsystems ------------------------------ All nominal WFC3 -------- UVIS Darks analysis ongoing -- Dark current somewhat higher than Themal Vac 3 values -- Possibly due to light leak (as previously reported) possibly correlated with bright Earth crossings -- But still well within specs -- Analysis is ongoing - UVIS/IR alignment with FGS frame -- shifts are very modest -- SIAF update in work - See attached WFC3_SMOV_report_07-17

COS ------ NUV Aperture Mechanism -- Ops Requets for this morning is being processed -- To execute later today (must be in place by HST secondary mirror move) - Targe Acq updates in the SMS201 based on most recent analyses -- last-minute rerun was required to correct an erroneous input - FUV TA analysis in progress - SIAF work happening today - Recent activity: -- 1 visit of FUV darks - For more info on upcoming ORs and COS timeline, see attached COS_SMOV_update_17July2009[updated]

STIS ------ Remains in Suspend - Forward plan under discussion today

NICMOS/NCS ------------------


- NCS Suspended this morning at 198/11:29 -- shortly after restart attempt -- due to a TA speed low limit violation - From Nzinga Tull's Flash Report: -- During the today's (07/17/09) 11am briefing on the NCS safing, it was agreed that no additional NCS re-start attempt will take place immediately. -- At ~2:40pm, EPS SEs will back-out the taper charge flight software modifications associated with the NCS restart. -- Over the next few days, SI SEs will adjust the NCS CPL setpoint to begin the process of warming NCC interfaces (in preparation for a future re-start attempt). -- The group will reconvene early during the week of 07/20/09 --- to review the state of NCS --- analyze data associated with today's NCS safing --- plan for the next re-start attempt. Planning & Scheduling ================ - SMS201 - rerun to correct last-minute commanding update for COS - re-delivered - SMS208 - complete, finals in process - Data Volumes ~ 180 Gbits in 194 A little lower in 201 and 208 due to longer-exposure EROs F OT -------- Nominal - Several re-dumps required due to small no. of missing packets PACOR ---------- Nominal OPUS (DKenny) -------------------- No new OPUS issues. - Next fast track data isn't expected until Monday afternoon. - OPUS quick fix 2009.2g (PRs 62851 and 63053) will be installed next week -- day and time TBD. - Two genslews are scheduled for Monday. -- Ops requests will be submitted over the weekend. Archive


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