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Operations CXO Status Report

Friday 28 August 2026 9.00am EDT

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

Real-time procedures were executed on Aug 24, Aug 25, and Aug 26 to test the HRC-S response to gradually increased source brightness. Observations with the HRC-S detector have been suspended since the HRC-S High-Voltage anomaly on Oct 23, 2025.

A Chandra image release was issued on Aug 25 with a collection of galaxy images from the Chandra X-ray Observatory’s extensive archive. The compilation combines data from Chandra and from other NASA missions, including IXPE, Swift, NuSTAR, JWST and HST, as well as ground-based optical telescopes. For details, see https://chandra.harvard.edu/photo/2026/galaxies/

The schedule of targets for the next week is shown below, and includes an observation of SRGA J174800.5-28082, which was accepted as a Director's Discretionary Time Target of Opportunity on Aug 25, and an observation of EP J223759.5+531421, which is a follow-up to a Director's Discretionary Time Target of Opportunity accepted on Jul 14.



------------------------------------------
        Abell2255              ACIS-I       Aug 30
        Radiation Belts                     Aug 31
        NGC5728                ACIS-S
        SRGAJ174800.5-28082    ACIS-S
        Abell2255              ACIS-I
        G29-38                 HRC-I        Sep  1
        PerseusclusterW        ACIS-I
        G29-38                 HRC-I
        ClGJ0242-2132          ACIS-S
        G29-38                 HRC-I        Sep  2
        UGC05479               ACIS-I
        SDSSJ222024.58+01093   ACIS-S
        PG1553+113             ACIS-I
        Radiation Belts                     Sep  3
        NGC5728                ACIS-S
        PKS2227-088            ACIS-S
        NGC5728                ACIS-S
        Abell2255              ACIS-I
        G29-38                 HRC-I        Sep  4
        EPJ223759.5+531421     ACIS-S
        2MASXJ03120291+50291   ACIS-S
        G29-38                 HRC-I
        V*V1116Tau             ACIS-S
        G29-38                 HRC-I
        GJ2006B                ACIS-S       Sep  5
        PSRJ1015-5719          ACIS-I
        Radiation Belts
        PSRJ1015-5719          ACIS-I
        Abell2667              ACIS-I       Sep  6
        PSRJ1015-5719          ACIS-I
        Abell2667              ACIS-I
        PSRJ1015-5719          ACIS-I
        Abell2667              ACIS-I
        2RXSJ044334.6-08474    ACIS-S
        G29-38                 HRC-I

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

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

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