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Operations CXO Status Report
Friday 13 September 2002, 9am EDT
During the last week the observing schedule was interrupted following a high radiation event at 1:49pm EDT on Sep 7 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 4:23pm on Sep 9. Observations of PSS0808+5215, PSS 1507+5603, AX J1531.8+2414 and Q2127+040 (total 30.6 Ks) were impacted by the event and will be rescheduled in a later load.
Chandra passed through the lunar eclipse on Sept 7 with nominal power and thermal performance. Of note was that the radiation safing ocurred only 15 minutes after the eclipse exit, however appropriate contingencies were in place to handle a trip at any time through the eclipse. Real-time procedures were completed on Sept 8 to back-out the eclipse and contingency software patches and clear a glitch counter that incremented during eclipse exit.
A Chandra image release of the Tycho supernova remnant was made on Sept 6. For details see: http://chandra.harvard.edu/photo/2002/0005/index.html
The observing schedule for next week is shown below.
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Radiation Belts Sep 15
AX J1511.7+5702 ACIS-S Sep 16
PSS 1342+4944 ACIS-S
A2259 ACIS-I
GRS 1758-258 HRC-I
PSR J1420-6048 ACIS-S
PSR J1420-6048 ACIS-S
MACSJ0152.5-2852 ACIS-I Sep 17
Pictor A - West ACIS-S
NGC 1332 ACIS-S
Radiation Belts Sep 18
NGC1600 ACIS-S
AX J0844.8+5004 ACIS-S Sep 19
NGC1313 SA and SB HRC-I
NGC 1332 ACIS-S
NGC1600 ACIS-S
NGC2146 ACIS-S Sep 20
3C401 ACIS-S
H230236 ACIS-I
Radiation Belts
3C401 ACIS-S Sep 21
NGC7052 ACIS-S
PSR J1420-6048 ACIS-S
DEM L152 ACIS-S Sep 22
BR B0305-4957 ACIS-S
3CR184 Cluster ACIS-S
BR0308-1734 ACIS-S
Pictor A - West ACIS-S
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All spacecraft subsystems continued to operate nominally.
Return to 2002 Status Reports
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