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Operations CXO Status Report

Friday 7 August 2015 9.00am EDT

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

Chandra passed through the tenth and eleventh (and final) eclipses of the season on Jul 31 and Aug 3, respectively, with nominal power and thermal performance. Real-time procedures were executed on Aug 3 to disable SCS-29 and to dump and clear the EPS glitch counters as post-eclipse season actions.

A real-time procedure was executed on Aug 1 to swap the prime solid-state recorder (SSR) from the A-side to the B-side. This swap concludes a six-month interval of health and trending data collection on SSR-A. A real-time procedure was executed on Aug 6 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

Of note this week was the announcement on Aug 3 of the release of the Chandra Source Catalog Release 2.0 preliminary detections list. For details see: http://cxc.harvard.edu/csc2/preliminary/

The schedule of targets for the next two weeks is shown below and includes observations of AX J1745.6-2901, which was accepted as a Target of Opportunity on Jul 22, of H1743-322, which was accepted as a Target of Opportunity on Jun 8 and is coordinated with the VLA and NuSTAR, and of the Crab coordinated with HST.



------------------------------------------
        CGRaBSJ2334+0736       ACIS-I       Aug  9
        SPT-CLJ2341-5724       ACIS-I       Aug 10
        Radiation Belts                     Aug 11
        AXJ1745.6-2901         ACIS-S/HETG
        SPT-CLJ2341-5724       ACIS-I       Aug 13
        Radiation Belts
        WISEPJ190648.47+401    ACIS-S       Aug 14
        CGCG292-057            ACIS-S
        Crab                   ACIS-S       Aug 16
        L577-71                ACIS-S
        Radiation Belts
        H1743-322              ACIS-S/HETG  Aug 17
        UGC12732               ACIS-S
        SgrA*                  ACIS-S
        PLCKG287+.0+32.9       ACIS-I
        PSS0955+5940           ACIS-S       Aug 18
        Radiation Belts                     Aug 19
        Vega                   ACIS-I
        Vega                   ACIS-S
        SgrAcomplex2           ACIS-I
        SwiftJ1910.2-0546      ACIS-S       Aug 20
        RCW38                  ACIS-I       Aug 21
        Radiation Belts
        NVSSJ225444+134429     ACIS-I       Aug 22
        Sw1644+57              ACIS-S
        NGC1892                ACIS-S       Aug 23
        NGC1688                ACIS-S
        NGC5044                ACIS-S
        Radiation Belts                     Aug 24

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

All spacecraft subsystems continued to support nominal operations.

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