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Operations CXO Status Report

Friday 18 April 2025 9.00am EDT

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

The Operations Control Center (OCC) was impacted on Apr 16 by a failure of the internet connection between the OCC and CXC facilities in Cambridge as well as to the general internet. The outage, caused by a cut fiber line external to CXC facilities, was repaired by the service provider within 24 hours. The OCC's link to the Deep Space Network remained nominal throughout and there was no impact to spacecraft operations and no interruption of the science program.

A Chandra image release was issued on Apr 16 describing a collection of 3D printable models of three supernova remnants (Cassiopeia A, G292.0+1.8, and the Cygnus Loop) and of a young T Tauri-type star (BP Tau) surrounded by a disk impacted by flares that generate an extended outer atmosphere. These 3D models are based on state-of-the-art theoretical models, computational algorithms, and observations from space-based telescopes like Chandra, and allow inspection and study of the celestial objects from all sides on a handheld scale. For details see: https://chandra.harvard.edu/photo/2025/3dmodels/

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



------------------------------------------
        Radiation Belts                     Apr 21
        NGC1792                ACIS-S
        NGC5042                ACIS-S
        HE1353-1917            HRC-I
        AM0702-601             ACIS-S
        RXCJ1314.4-2515        ACIS-I       Apr 22
        HE1353-1917            HRC-I
        NGC2440                HRC-I
        SPT-CLJ0234-5831       ACIS-S
        RXCJ1314.4-2515        ACIS-I       Apr 23
        SextansA               ACIS-S
        Radiation Belts
        NGC1792                ACIS-S       Apr 24
        RXCJ1314.4-2515        ACIS-I
        HE1353-1917            HRC-I
        NGC2440                HRC-I
        MKN421                 ACIS-S/LETG
        SDSSJ133526.00-01002   ACIS-S       Apr 25
        SDSSJ093808.00+4806    ACIS-S
        Abell1885              ACIS-S
        Radiation Belts                     Apr 26
        SDSSJ222726.66+1205    ACIS-S
        IGRJ17163-2155         ACIS-S
        PSZ2G037.05-70.55      ACIS-I
        NGC1809                ACIS-S
        HE1353-1917            HRC-I        Apr 27
        1eRASSJ132337.3-055    ACIS-S
        2MASXJ11335602+6701    ACIS-S
        SDSSJ134627.56+5038    ACIS-S
        A1550                  ACIS-I

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

All spacecraft subsystems continued to support nominal operations.

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