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Operations CXO Status Report

Friday 3 September 2004 7.30am EDT

During the last week the observing schedule was replanned to include an observation of XRF040825 that was approved as a fast turn-around Target Of Opportunity (TOO) on Aug 31. Loads were replanned and uplinked on Sep 1 for observing on Sep 2. An observation of M1-92 was impacted by the TOO and will be rescheduled for a later load. An observation of SDS 0050-0052 was added to the schedule as a result of the replan.

A real time procedure was completed on Sep 1 to uplink a flight software patch to allow the HRC event and anti-coincidence shield rates to be made available to the radiation monitor process for use in monitoring high radiation events. The patch is planned for future use within the radmon process, providing a backup to the EPHIN detector.

The schedule of targets for the next week is shown below and includes an observation of 4U 1957+11 coordinated with XMM-Newton.

------------------------------------------
RX J1914.4+2456        ACIS-S       Sep 5
M101                   ACIS-S
Radiation Belts                     Sep 6
Abell 2107             ACIS-I       Sep 7
4U 1957+11             ACIS-S/HETG
PG 1418+546            HRC-I        Sep 8 
M101                   ACIS-S
Radiation Belts                     Sep 9 
Abell 2537             ACIS-S
Abell 222/Abell 2      ACIS-I       Sep 10
Capella                ACIS-S/HETG
Capella                HRC-S/LETG   Sep 11
M101                   ACIS-S
Radiation Belts
M101                   ACIS-S       Sep 12

------------------------------------------

All spacecraft subsystems continued to support nominal operations.

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