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Operations CXO Status Report

Friday 16 February 2024 9.00am EST

During the last week the observing schedule was interrupted due to high radiation associated with solar activity. The loads were halted at 10:30pm EST on Feb 9 through a ground command to execute the SI Safing SCS 107. This prevented exposure to damaging radiation for the HRC instrument detectors. All spacecraft actions were nominal. Loads for a replanned schedule were uplinked on Feb 10 with about 75ks of science time lost. Planned observations that were impacted by the interruption will be rescheduled.

Chandra passed through the 10th, 11th, and 12th eclipses of the season on Feb 9, 12, and 15 respectively, with nominal power and thermal performance.

The schedule of targets for the next week is shown below and includes observations of AT 2018hyz coordinated with VLA, observations of GX 13+1 coordinated with XRISM, and observations of MCG -6 -3-15 coordinated with XRISM.



------------------------------------------
        ACT-CLJ1407.0+1048     ACIS-S       Feb 19
        MCG-6-30-15            ACIS-S/HETG
        ngc3109                ACIS-I
        Radiation Belts                     Feb 20
        WISEAJ100833.58+055    ACIS-S
        HD285773               HRC-I
        NGC5206                ACIS-S       Feb 21
        AT2018hyz              ACIS-S
        MCG-6-30-15            ACIS-S/HETG
        AT2018hyz              ACIS-S       Feb 22
        GX13+1                 ACIS-S/HETG
        ngc3109                ACIS-I
        Radiation Belts                     Feb 23
        AT2018hyz              ACIS-S
        GX13+1                 ACIS-S/HETG
        PSOJ172.3556+18.773    ACIS-S
        MCG-6-30-15            ACIS-S/HETG
        eRASSUJ125214.5-591    ACIS-S       Feb 24
        AT2018hyz              ACIS-S
        HD284552               HRC-I
        FRB20220319D           ACIS-S
        CasA                   ACIS-S
        CasA                   ACIS-I
        CasA                   ACIS-I
        CasA                   ACIS-I
        WISEAJ100833.58+055    ACIS-S
        GX13+1                 ACIS-S/HETG  Feb 25
        2MASSJ16404566+1932    ACIS-S
        PSOJ172.3556+18.773    ACIS-S
        Radiation Belts

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

All spacecraft subsystems continued to support nominal operations.

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