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Operations CXO Status Report

Friday 24 December 2021 9.00am EST

During the last week Chandra completed the observing schedule as planned.

A real-time procedure was executed on Dec 17 to uplink a flight software patch to update Spacecraft Strut and Telescope Forward Thermal Enclosure Radiator thermal K-constants to compensate for increasing temperatures. Additional real-time procedures were executed on Dec 17-20 to dump OBC-A and -B memory as a follow-up to the patch. The dump will be used to update the baseline memory images maintained on the ground.

The schedule of targets for the next two weeks is shown below and includes an observation of SGRB210726A, which was accepted as a Director's Discretionary Time Target of Opportunity on Dec 9, observations of SGRB211106A, which was accepted as a Director's Discretionary Time Target of Opportunity on Dec 20, an observation of IC10X-1, which was accepted as a Director's Discretionary Time Target of Opportunity on Oct 28 and is coordinated with HST, an observation of QSOJ1131-1231 coordinated with XMM, and observations of NGC5548 coordinated with HST.

        Radiation Belts                     Dec 26
        SDSSJ135515.01+3116    ACIS-S       Dec 27
        SDSSJ074800.54+3146    ACIS-S
        LARS4                  ACIS-S
        SDSSJ074800.54+3146    ACIS-S       Dec 28
        [FGC2019]NGC5846U      HRC-I
        B2.20755+24            ACIS-S
        [FGC2019]NGC5846U      HRC-I
        ColdECSBlankSky        HRC-S
        SDSSJ074800.54+3146    ACIS-S       Dec 29
        Radiation Belts
        NGC5548                ACIS-S/HETG
        Sh2-284                ACIS-I       Dec 30
        NGC5548                ACIS-S/HETG
        Sh2-284                ACIS-I
        NGC5548                ACIS-S/HETG
        B2.10742+31            ACIS-S       Dec 31
        SGRB210726A            ACIS-S
        Radiation Belts                     Jan  1
        SDSSJ0924+0219         ACIS-S
        QSOJ1131-1231          ACIS-S
        [VV2006]J083322.5+0    ACIS-S       Jan  2
        SDSSJ084631.52+24110   ACIS-S
        NGC5872                ACIS-S
        [VV2006]J083322.5+0    ACIS-S
        NGC5872                ACIS-S       Jan  3
        NGC3268                ACIS-I
        NGC2301                ACIS-I
        Radiation Belts                     Jan  4
        2RXSJ062900.2+11011    ACIS-S
        SGRB211106A            ACIS-S
        2RXSJ061853.9+13464    ACIS-S
        SGRB211106A            ACIS-S
        Sh2-284                ACIS-I       Jan  5
        NGC253                 ACIS-I
        Sh2-284                ACIS-I
        4U1626-67              ACIS-S/HETG
        NGC2301                ACIS-I
        4U1626-67              ACIS-S/HETG  Jan  6
        WISEAJ060710.90-215    ACIS-S
        Radiation Belts
        2RXSJ064438.5+31581    ACIS-S
        IC10X-1                ACIS-S       Jan  7
        B2.10643+30            ACIS-S
        VIKINGJ231818.3-311    ACIS-S
        IRAS09104+4109         ACIS-S
        VIKINGJ231818.3-311    ACIS-S       Jan  8
        IRAS09104+4109         ACIS-S
        SDSSJ144709.24+10382   ACIS-S
        SDSSJ103456.95+1430    ACIS-S
        Radiation Belts


All spacecraft subsystems continued to support nominal operations.

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