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Operations CXO Status Report

Friday 2 February 2001 8.30am EST

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

A software patch was prepared and uplinked to the spacecraft on 2/1/01 to recover data from the Solid State Recorder following a missed pass and procedural problem. The potential for data loss was recognized immediately on 1/30/01 and recording swapped from SSR-B to SSR-A. The patch to modify the values of the SSR-B pointers allowed recovery of all data from the recorder without loss or operational impact.

The planned observations for the coming week are shown below and will incorporate a real-time pass on 8 Feb to uplink the short eclipse patch in support of the start of the Spring 2001 eclipse season on 11 Feb.

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Vela X-1 ACIS-S/HETG Feb 5 Radiation Belts NGC 4051 ACIS-S Feb 6 A2256 ACIS-S B2 0326+39 ACIS-S IC 1727 ACIS-S Feb 7 Lambda Orionis ACIS-I Vela X-1 ACIS-S/HETG Iota Orionis ACIS-S/HETG Radiation Belts Feb 8 Iota Orionis ACIS-S/HETG HD 206267 ACIS-S/HETG H 1821+643 ACIS-S/HETG Feb 9 OAO 1657-415 ACIS-S/HETG Feb 10 Radiation Belts Capella ACIS-S/HETG Feb 11 Vela X-1 ACIS-S/HETG

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All spacecraft subsystems continued to operate nominally.

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