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Operations CXO Status Report

Friday 24 May 2002 11.00am EDT

During the last week the observing schedule was interrupted following a high radiation event at 5:58am EDT on May 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 7.45am on May 24. A total of 93Ks of the observation of Sgr A* was impacted by the event.

A Chandra image release was made on May 22 showing a "true color" image of the supernova remnant N132D. The impressive image and further details about the SNR can be found at: http://chandra.harvard.edu/photo/2002/0050/index.html.

Of note this week were visits to the OCC by Dr. Jan Davis, Director, Flight Projects Directorate, MSFC and Mr. Bruce Dauer, Director of the Smithsonian Institution Office of Planning, Management and Budget, and next week by Mr. Alphonso Diaz, Director, GSFC.

The observing schedule for the next week is shown below and includes a continuation of the long observation of Sgr A* and an observation of AD Leo coordinated with the Hubble Space Telescope.

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Radiation Belts May 27 Sgr A* ACIS-I May 28 X1624-490 HRC-I May 29 IM Nor ACIS-S Radiation Belts May 30 V426 Oph ACIS-S/HETG NGC 4038/NGC 4039 ACIS-S May 31 AD Leo ACIS-S/HETG Jun 1 FTM0906+4952 ACIS-S Radiation Belts NGC 4459 ACIS-S Jun 2 HS 1417+4722 ACIS-S H162657 ACIS-I M31 (5 obs) HRC-I

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All spacecraft subsystems continued to operate nominally.

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