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Operations CXO Status Report

Friday 4 December 2020 9.00am EDT

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

Chandra passed through the fifth, sixth, and seventh eclipses of the season on Nov 28, Nov 30, and Dec 3 respectively, with nominal power and thermal performance.

Real-time procedures were executed on Dec 2 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer and to perform a diagnostic dump of the Control Processing Electronics (CPE).

Additional real-time procedures were executed during each ground contact to reset the DSN Outage Dead Man Load.

Chandra image releases were issued on Nov 30 featuring "sonified" representations of data on three extensively-studied, iconic cosmic objects: the Bullet Cluster, the Crab Nebula, and Supernova 1987A. The sonifications, made by combining data from Chandra with additional data from Hubble, Spitzer, and ground-based telescopes, represent astronomical information conventionally presented visually instead by a succession of sounds. For details, see:

The schedule of targets for the next week is shown below and includes an observations of GW170817 coordinated with the VLA.

        2RXSJ043116.0+42171    ACIS-S       Dec  7
        RWAur                  ACIS-S
        NGC2336-N              ACIS-S
        NGC5899                ACIS-S
        RWAur                  ACIS-S
        NGC2336-N              ACIS-S
        Radiation Belts                     Dec  8
        GW170817               ACIS-S
        SPT0348-62             ACIS-I       Dec  9
        OrionNebulaCluster     ACIS-S/HETG
        WR52                   ACIS-S       Dec 10
        OrionNebulaCluster     ACIS-S/HETG
        HD62850                HRC-I
        NGC2336-S              ACIS-S
        Radiation Belts                     Dec 11
        GW170817               ACIS-S
        HD41004                HRC-I
        OrionNebulaCluster     ACIS-S/HETG
        HD38459                HRC-I        Dec 12
        GW170817               ACIS-S
        NGC2336-S              ACIS-S
        RWAur                  ACIS-S
        HD180712               HRC-I        Dec 13
        GW170817               ACIS-S
        NGC2336-S              ACIS-S
        Radiation Belts


All spacecraft subsystems continued to support nominal operations.

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