Sep_16_1999_M56.txt Shift M56 Start at 1999:259:18:00 GMT = 1999 Sep 16 2:00pm EDT End 1999 Sep 16 10:00pm EDT SOT Lead Ed Kellogg FOT-SI ACIS Yousaf Butt HRC-SI (Times: hhmm or ddd:hhmm, not precise.) Plan: continue HR1099 observation EVENTS DONE OBSID -------------- ---- ----- Xmtr turns off per p14b load day 259 1850 62538 Turned it back on by gnd cmd 1851 Lost comm: 9 db loss @ Madrid 1855 Regained comm 1908 Execute CAP 434A to move HRC-S to FP, start ACIS xcal 2000 62537 SIM Translates to -99608, HRC-S position 2019 LOS AOS 2221 62537 SSR playback 2300 Start CAP 436 to turn off ACIS, move SIM to ACIS-S, prepare for radiation 2325 62536 SIM is at ACIS-S position 75615 2355 Go to normal point mode, no stars yet 2358 Lost TLM, plus lots of crosstalk on AXAF Track from KSC 0000 TLM back, see 3 fids, 5 stars 0033 ACA now has 3 fids, but has lost stars; is in NormManeu 0127 62384 ACA has no fids, 5stars 0205 NOTES/ISSUES/PROBLEMS --------------------- S/C state at 1860: PCAD MODE= NPT Stars: = 5 FIDS = 3 RA = 54.2147 (estim.) DEC = 0.57160 (estim.) ROLL = 100.2724 (estim.) Format = 2 OBSID = 62538 SIM FA = -467 SIM TSC = 75615 (ACIS-S) HETG = 7.8, 6.7 degrees LETG = 81.7, 79.8 CAP 434 to change obsid, translate SIM to HRC-S, and start ACIS science run. CAP 434A to add clearing all SCS slots, refer to CAP 435, which replaces 401, 402A, etc., the ones that execute SIM translations to instrument positions.