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Operations CXO Status Report

Friday 28 March 2014 9.00am EDT

During the last week the observing schedule was replanned to incorporate observations of GRO J1744-28, which were accepted as a Director's Discretionary Time TOO on Mar 22. Scheduled observations of HESS J1809-193 were impacted and will be rescheduled in future weeks.

Of note last week was a site visit to the Chandra Operations Control Center on Mar 24-27 of the NASA Astrophysics Division Senior Review for Operating Missions.

Also of note this week was the release on Mar 26 of CALDB 4.6.1. This update includes ACIS time-dependent gain corrections for the period Nov 2014 through Jan 2014 and new versions of the HRC-I background event lists. For details see: http://cxc.cfa.harvard.edu/caldb/downloads/Release_notes/CALDB_v4.6.1.html

The schedule of targets for the DDT-TOO replan and next week is shown below and includes an observation of NGC 5548 coordinated with HST and on observation of Sgr A* coordinated with the VLA.



------------------------------------------
         Radiation Belts                     Mar 29
        GROJ1744-28            ACIS-S/HETG
        G342.31-34.90          ACIS-I       Mar 30
        G295.33+23.33          ACIS-I
        HZ43                   HRC-S/LETG
        NGC5548                ACIS-S/LETG
        GROJ1744-28            ACIS-S/HETG  Mar 31
        NGC5353                ACIS-S
        Radiation Belts                     Apr  1
        BPTau                  ACIS-S/LETG
        CXOUJ141259.3+79195    HRC-I        Apr  2
        M87                    ACIS-S
        A1795                  ACIS-S
        A1795 (4 obs)          ACIS-I
        Radiation Belts                     Apr  3
        SgrA*                  ACIS-S       Apr  4
        PKS2250-41             ACIS-S
        BPTau                  ACIS-S/LETG
        Radiation Belts                     Apr  6
        PSRJ0656-5449          ACIS-S
        SMC3                   HRC-S/LETG

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

All spacecraft subsystems continued to support nominal operations.

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