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Operations CXO Status Report

Friday 17 April 2026 9.00am EDT

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

A Chandra press release was issued on Apr 14 describing a new study using NASA’s Chandra X-ray Observatory showing that young Sun-like stars are dimming more significantly than previously thought. This result has a parallel to the new ‘Project Hail Mary’ book and movie, though there are clear differences. The causes of the dimming in the Chandra study are completely natural, arising from the magnetic fields inside the stars are less efficient. In fact, this quieting of these younger cousins to the Sun likely boosts the prospects of life on any planets orbiting these stars. For details see: https://chandra.harvard.edu/press/26_releases/press_041426.html

The schedule of targets for the next week is shown below and includes an observation of GRB260310A, which was accepted as a Director's Discretionary Time Target of Opportunity on Apr 8.



------------------------------------------
        GRB260310A             ACIS-S       Apr 20
        Abell2319              ACIS-I
        SDSSJ141525.26+0456    ACIS-S
        SDSSJ091934.51+4816    ACIS-S
        Radiation Belts                     Apr 21
        NGC2110                ACIS-S/HETG
        NGC4941                ACIS-S
        DESIJ090.9854-35.96    ACIS-I
        AM1724-622             ACIS-S
        SDSSJ091934.51+4816    ACIS-S       Apr 22
        SDSSJ141525.26+0456    ACIS-S
        CygX-2                 HRC-I /HETG  Apr 23
        SDSSJ141525.26+0456    ACIS-S
        MKN421                 ACIS-S/LETG
        Radiation Belts
        DESIJ090.9854-35.96    ACIS-I
        Abell3558SE            ACIS-I       Apr 24
        DESIJ090.9854-35.96    ACIS-I
        MKN421                 ACIS-S/LETG
        SDSSJ082015.61+59422   ACIS-S       Apr 25
        NGC4941                ACIS-S
        NVSSJ081604-235003     ACIS-S
        NGC4941                ACIS-S
        HZ43                   HRC-I /LETG
        AM1006-380             ACIS-S
        Radiation Belts                     Apr 26
        AM1006-380             ACIS-S
        Abell3558SE            ACIS-I

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

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

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