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Operations CXO Status Report

Friday 2 November 2001 5.30pm EDT

During the last week, Chandra completed the observing schedule as planned.

A real-time procedure was completed nominally on 31 Oct to recover from a latchup of the ACIS threshold crossing plane. The latchup resulted in the same pixel data being reported repeatedly for chips S2 and I3 and an assessment is underway to determine the cause of the event. The observation of HD 93497 was impacted by the event and will be rescheduled in a future load. Normal observations were resumed following the completion of the procedure.

Of note last week was the conduct of a communications test from the OCC to Chandra with the Deep Space Network 26-m automation system. The test was part of the planned DSN development work.

The schedule of observations for the coming week is shown below and includes a coordinated observation of NGC 3516 with XMM-Newton.

Radiation Belts                      Nov 4
GRS 1758-258            HRC-I        Nov 5
AX J1844-02             HRC-I
IRAS20051-1117          ACIS-S
BRI 2212-1626           ACIS-S       Nov 6
ARP 222                 ACIS-S
Tololo 0109-383         ACIS-S
0453-68.5               ACIS-S
SNR 1987A               ACIS-S
Radiation Belts                      Nov 7
2MASSJ171442+2602       ACIS-I       Nov 8
AGX J170730+2353        ACIS-I
NGC5866                 ACIS-S
3C 427.1                ACIS-S
CHVC125                 ACIS-S
LBQS 1205+1436          ACIS-S       Nov 9
LBQS 1208+1535          ACIS-S
MG J0414+0534           ACIS-S
Betelgeuse              ACIS-I
M31 Nucleus             ACIS-I
2MASSJ222221+1959       ACIS-I
2237+0305               ACIS-S
LBQS 2350-0045A         ACIS-S
LBQS 0019+0107          ACIS-S       Nov 10
Radiation Belts
AX J0836.2+5538         ACIS-S
AX J0836.6+5529         ACIS-S
NGC 3516                ACIS-S/HETG


All spacecraft subsystems continued to operate nominally.

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