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Operations CXO Status Report

Friday 3 April 2026 9.00am EDT

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

Real-time procedures were executed on Apr 1 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).

The schedule of targets for the next week is shown below and includes an observation of EP260321a, which was accepted as a Target of Opportunity on Mar 26, and an observation of AT 2025aarm, which was accepted as a Director's Discretionary Time Target of Opportunity on Mar 30.



------------------------------------------
        EP260321a              ACIS-S       Apr  5
        PSZ2G071.21+28.86      ACIS-I       Apr  6
        Abell2255              ACIS-I
        NGC4540                ACIS-S
        VLSSrJ031859.0+5755    ACIS-I
        NGC4540                ACIS-S       Apr  7
        VLSSrJ031859.0+5755    ACIS-I
        NGC4540                ACIS-S
        VLSSrJ031859.0+5755    ACIS-I
        Radiation Belts                     Apr  8
        VLSSrJ031859.0+5755    ACIS-I
        NGC2566                ACIS-S
        ANUMa                  ACIS-S/HETG
        2RXSJ080121.5+59025    ACIS-S
        NGC4941                ACIS-S       Apr  9
        1RXSJ021649.0+70355    ACIS-I
        NGC4941                ACIS-S
        1RXSJ021649.0+70355    ACIS-I
        NGC4941                ACIS-S       Apr 10
        1RXSJ021649.0+70355    ACIS-I
        Radiation Belts
        MKN421                 ACIS-S/LETG
        RGB_J0710p591_s1       ACIS-S       Apr 11
        NGC4540                ACIS-S
        1RXSJ021649.0+70355    ACIS-I
        NGC5728                ACIS-S
        AT2025aarm             ACIS-S
        NGC5728                ACIS-S
        AM2107-474             ACIS-S       Apr 12
        NGC5728                ACIS-S
        AM2107-474             ACIS-S
        2MASXJ07233444-5610    ACIS-S
        SDSSJ093401.24+2453    ACIS-S
        Radiation Belts

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

All spacecraft subsystems except HRC-S continued to support nominal operations.

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