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Operations CXO Status Report

Friday 9 November 2018 9.00am EST

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

A real-time procedure was executed on Nov 6 to perform a full-frame dark current readout of the Aspect Camera Assembly CCD during a standard one-hour comm pass. A second real-time procedure was executed on Nov 7 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer. A third real-time procedure was executed on Nov 8 to uplink three flight software patches. The first patch was to update the gyro calibration misalignment matrix, the second patch was to update the initialization values of the gyro bias vector, and the third patch increased the limit for the on-board HRMA average temperature health check. An additional real-time procedure was executed on Nov 9 to dump OBC-A memory as a follow-up to the patches. The dump will be used to update the baseline memory images maintained on the ground.

On note this week was the release on Nov 5 of CXCDS version 10.7 for standard processing. The release features support for the CentOS-7 operating system which is now the baseline for processing machines.

The schedule of targets for the next week is shown below.



------------------------------------------
        Radiation Belts
        Abell98                ACIS-I       Nov 11
        J0147                  ACIS-S
        PSRJ1853-0649          ACIS-S
        J1531+4533             ACIS-S
        J1010+3725             ACIS-S
        XZTauandHLTau          ACIS-S/HETG
        SDSS123                ACIS-I       Nov 12
        XZTauandHLTau          ACIS-S/HETG
        PSRJ0612+3721          ACIS-S
        JWST-DTDF-4            ACIS-I
        Radiation Belts                     Nov 13
        MAXIJ1820+070          ACIS-S
        LSBCF544-01            ACIS-S       Nov 14
        UGC1230                ACIS-S
        Abell98                ACIS-I
        JWST-DTDF-4            ACIS-I
        Abell98                ACIS-I
        CFHQSJ1641+3755        ACIS-S       Nov 15
        NGC4595                ACIS-S
        V830Tau                ACIS-S/HETG
        Radiation Belts                     Nov 16
        A1795                  ACIS-S
        J1042+2451             ACIS-S
        V830Tau                ACIS-S/HETG
        MKW4-E                 ACIS-I
        V830Tau                ACIS-S/HETG  Nov 17
        J0756+4432             ACIS-S
        CFHQSJ1641+3755        ACIS-S
        ASASSN-14ae            ACIS-S
        V830Tau                ACIS-S/HETG  Nov 18
        SDSSJ100402.61+2855    ACIS-S
        Radiation Belts

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

All spacecraft subsystems continued to support nominal operations.

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