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Operations CXO Status Report

Friday 27 February 2026 9.00am EST

During the last week, the observing schedule was replanned to incorporate an observation of AT2026dbl, which was accepted as a Target of Opportunity on Feb 20. Loads for the replanned schedule were uplinked on Feb 24. Observations that were impacted by the replan will be rescheduled in a future week.

A Chandra image release was issued on Feb 25 with three new Chandra sonifications of data of Jupiter, Saturn, and Uranus. Planets and other Solar System bodies can reflect X-rays given off by the Sun, which Chandra can detect. Sonification is a process that translates data captured by Chandra and other telescopes into sound. In addition to X-rays from Chandra, these new sonifications contain data from Hubble, Cassini, and Keck telescopes. For details, see: https://chandra.harvard.edu/photo/2026/sonify11/

A Chandra press release was issued on Feb 23 describing observations of HD 61005. NASA’s Chandra X-ray Observatory has captured the first X-ray image of an astrosphere, a vast bubble of hot gas blown by the stellar wind of the young Sun-like star HD 61005 as it pushes into cooler galactic gas and dust. The star, about 100 million years old and roughly 120 light-years away, shows much stronger winds than the present Sun, offering a rare look at what our Sun’s protective bubble may have looked like early in its history. For details, see: https://chandra.harvard.edu/press/26_releases/press_022326.html

The schedule of targets for the next week is shown below and includes an observation of AT2026dbl, which is a follow-up to a Target of Opportunity accepted on Feb 20.



------------------------------------------
        Radiation Belts                     Mar  1
        [vD2023]1              ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        [vD2023]1              ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        Perseuscluster         ACIS-I
        CenterofCOSMOS-Web     ACIS-I       Mar  3
        Perseuscluster         ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        Perseuscluster         ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        Perseuscluster         ACIS-I
        AT2026dbl              ACIS-S       Mar  4
        Radiation Belts
        [vD2023]1              ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        [vD2023]1              ACIS-I       Mar  5
        CenterofCOSMOS-Web     ACIS-I
        Perseuscluster         ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        Perseuscluster         ACIS-I
        CenterofCOSMOS-Web     ACIS-I       Mar  6
        PerseusclusterN        ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        Capella                HRC-S /LETG
        HD14082B               ACIS-S
        NGVSJ124352.48+1125    ACIS-S
        Radiation Belts                     Mar  7
        M87                    ACIS-S
        ArLac                  HRC-I
        PerseusclusterN        ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        PerseusclusterW        ACIS-I
        CenterofCOSMOS-Web     ACIS-I       Mar  8
        PerseusclusterW        ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        PerseusclusterN        ACIS-I
        CenterofCOSMOS-Web     ACIS-I

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

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

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