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Operations CXO Status Report

Friday 21 March 2025 9.00am EDT

During the last week the observing schedule was replanned to incorporate an observation of GRB 250314A, which was accepted as a Target of Opportunity on Mar 16. Scheduled observations that were impacted by the replan will be rescheduled in a future week.

A real-time procedure was executed on Mar 15 to re-initialize the flight software Thruster Command Processing subfunction in order to prevent the occurrence of an overflow condition.

Of note this week, the Chandra Cycle 27 proposal deadline was Mar 19 at 6pm EDT.

The schedule of targets for the next week is shown below and includes an observation of GRB 250314A, which was accepted as a Target of Opportunity on Mar 16.



------------------------------------------
        Radiation Belts                     Mar 23
        GRB250314A             ACIS-S
        LEDA1173286            ACIS-S
        NGC4248                ACIS-I
        PSRJ1813-1749          ACIS-S
        NGC4579                ACIS-S/HETG  Mar 24
        CygnusX-2              ACIS-S/HETG
        NGC4579                ACIS-S/HETG
        CygnusX-2              ACIS-S/HETG
        SDSSJ133610.96+1845    ACIS-S       Mar 25
        LHS475                 HRC-I
        1eRASSJ143018.7-074    ACIS-S
        Radiation Belts
        GW170817               ACIS-S       Mar 26
        SNR1987A               HRC-S /LETG
        GW170817               ACIS-S
        4U1626-67              ACIS-S/HETG
        SDSSJ115741.94-03210   ACIS-S       Mar 27
        HD284785               HRC-I
        NGC2090                ACIS-S
        PSRJ1101-6101          ACIS-I
        UGC06850               ACIS-I       Mar 28
        Radiation Belts
        1eRASSJ140339.9+093    ACIS-S
        NGC4449                HRC-I
        4U1626-67              ACIS-S/HETG
        [JDW2009]G359.55+0.    ACIS-I       Mar 29
        NGC4261                HRC-I
        GaiaDR216877479864     ACIS-S
        A1550                  ACIS-I
        2MASSJ18352154-3123    ACIS-S       Mar 30
        PSRJ1101-6101          ACIS-I
        eRASSUJ130821.3+130    ACIS-S
        Radiation Belts

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

All spacecraft subsystems continued to support nominal operations.

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