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Operations CXO Status Report

Friday 20 September 2024 9.00am EDT

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

Real-time procedures were executed on Sep 16 to disable SCS-29 and to dump and clear the EPS glitch counters as post-eclipse season actions.

Chandra passed through the 12th and 13th (and final) eclipses of the season on Sep 13 and 16, respectively, with nominal power and thermal performance.

A Chandra image release was issued on Sep 19 describing a galaxy cluster, Zwicky 8338, at about 670 million light-years from Earth, that is the result of a collision of predecessor galaxy clusters. Chandra data show that Zwicky 8338 contains two rapidly-moving galaxies with interacting streams of multimillion degree gas stripped from them as they travel through the cluster. For details, see https://chandra.harvard.edu/photo/2024/z8338/

The schedule of targets for the next week is shown below, and includes observations of BZCam coordinated with HST, and observations of GX339-4, which was accepted as a Target of Opportunity on Sep 19 and is coordinated with XMM-Newton.



------------------------------------------
        PSOJ173.4601+48.242    ACIS-S       Sep 23
        BZCam                  ACIS-S/HETG
        Radiation Belts                     Sep 24
        BZCam                  ACIS-S/HETG
        ACT-CL_J0034.4+0225    ACIS-S
        BZCam                  ACIS-S/HETG  Sep 25
        GJ887                  HRC-S
        GJ887                  HRC-S
        SDSSJ002519.92+0031    ACIS-S
        BZCam                  ACIS-S/HETG
        PSZ2G091.40-51.01      ACIS-I       Sep 26
        WISEAJ003015.29-152    ACIS-S
        GX339-4                ACIS-S/HETG
        Radiation Belts                     Sep 27
        SNR1987A               ACIS-S/HETG
        GJ887                  HRC-S
        GJ887                  HRC-S
        SDSSJ004600.83-0927    ACIS-S
        GX339-4                ACIS-S/HETG
        SDSSJ010005.33-1102    ACIS-S       Sep 28
        GX339-4                ACIS-S/HETG
        PSZ2G127.71-69.55      ACIS-I
        GX339-4                ACIS-S/HETG
        PSZ2G072.40-78.45      ACIS-I
        GX339-4                ACIS-S/HETG
        J0038                  ACIS-S       Sep 29
        Radiation Belts
        GX339-4                ACIS-S/HETG

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

All spacecraft subsystems continued to support nominal operations.

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