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Operations CXO Status Report

Friday 19 December 2014 9.00am EST

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

Of note this week was the release on Dec 16 of the Cycle 17 Call for Proposals. The proposal submission deadline is 17 March 2015. In conjunction with the call was the release of the CIAO 4.7 analysis software system, CALDB 4.6.5, and of CXCDS 10.3.2 for standard processing. The CIAO release includes several tool enhancements and updates. The CALDB release includes time-dependent ACIS gain files for Aug-Oct 2014, an update to the ACIS Grade file, corrected ACIS background files from 2009, the latest time-dependent HRC-I Gain Map, and updated HRC-S QE and QE-uniformity files. For details see:

A Chandra press release was issued on Dec 18 describing observations of XDCP J0044.0-2033, nicknamed the "Gioello" (Italian for "Jewel") Cluster. This newly discovered galaxy cluster is the most massive one ever detected with an age of 800 million years or younger, locating it about 9.6 billion light years from Earth. Using Chandra data, researchers were able to accurately determine the mass and other properties of this cluster. Results like this help astronomers understand how galaxy clusters have evolved over time. For details see:

The schedule of targets for the next week is shown below

        Radiation Belts                     Dec 21
        ESO241-6               ACIS-S
        J205449.61+004153.0    ACIS-I       Dec 22
        J211824.24+002311.7    ACIS-I
        30Doradus              ACIS-I
        NGC406                 ACIS-S
        3C120                  ACIS-S/HETG
        MRC0131-367            ACIS-S       Dec 23
        3C120                  ACIS-S/HETG
        Radiation Belts                     Dec 24
        J085125.81+393541.7    ACIS-S
        3C190                  ACIS-S
        NGC4517                ACIS-S       Dec 25
        G309.4-0.1             ACIS-S
        30Doradus              ACIS-I
        IC5256                 ACIS-S       Dec 26
        SDSSJ152304.97+1145    ACIS-S
        J090613.75+561015.5    ACIS-S
        Radiation Belts
        3C120                  ACIS-S/HETG  Dec 27
        SDSSJ2157-0022         ACIS-S
        30Doradus              ACIS-I
        SDSSJ081133.56+0225    ACIS-S       Dec 28
        RXJ0821.0+0752         ACIS-S
        Radiation Belts                     Dec 29


All spacecraft subsystems continued to support nominal operations.

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