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Operations CXO Status Report
Friday 30 August 2002, 10am EDT
During the last week the observing schedule was interrupted following a high radiation event at 9:11pm EDT on Aug 23 that stopped the daily load and activated the science instrument safing sequence (SCS 107). All actions were nominal and radiation levels dropped sufficiently to allow the loads to be restarted at 8:26am on Aug 25 in time to perform an ACA dark current calibration. A total of 126.9Ks of observing time was impacted by the event and the affected observations will be rescheduled in a later load.
Preparations are complete for a 39.5 minute duration lunar eclipse that will occur at 11:55am on Sep 7. Software patches to provide the appropriate power system configuration and provide for contingencies will be uplinked on Sept 6.
The observing schedule for next week is shown below and includes a roll constrainted observation of Cen-A.
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Radiation Belts Sep 2
Cen-A ACIS-S
Aql X-1 ACIS-S Sep 3
RXJ1856.5-3754 HRC-I
2S 1845-024 ACIS-S/HETG Sep 4
Zeta Oph ACIS-S/HETG
Radiation Belts Sep 5
Zeta Oph ACIS-S/HETG
2S 1845-024 ACIS-S/HETG Sep 6
ONC Flanking Field S ACIS-I
A68 ACIS-I
MACSJ2311.5+0338 ACIS-I Sep 7
PSS 0008+1923 ACIS-S
Radiation Belts
PSS0808+5215 ACIS-S Sep 8
PSS 1507+5603 ACIS-S
AX J1531.8+2414 ACIS-S
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All spacecraft subsystems continued to operate nominally.
Return to 2002 Status Reports
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