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Operations CXO Status Report

Friday 20 February 2026 9.00am EST

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

Chandra passed through the 13th (and final) eclipse of the season on Feb 14, with nominal power and thermal performance. Real-time procedures were executed on Feb 14 to disable SCS-29 and to dump and clear the EPS glitch counters as post-eclipse season actions.

The schedule of targets for the next week is shown below and includes an observation of GS 1354-64, which is a follow-up to a Target of Opportunity which was accepted on Jan 30 and is coordinated with NuSTAR, Gemini, JVLA, and NICER.



------------------------------------------
        Radiation Belts                     Feb 23
        ArLac                  HRC-I
        ArLac                  HRC-I
        ArLac                  HRC-I
        SDSSJ102258.41+1234    ACIS-S
        Perseuscluster         ACIS-I
        SDSSJ102258.41+1234    ACIS-S
        Perseuscluster         ACIS-I
        Radiation Belts                     Feb 24
        NGC4654                ACIS-S
        GS1354-64              ACIS-S/HETG  Feb 25
        CenterofCOSMOS-Web     ACIS-I
        ArLac                  HRC-I
        ArLac                  HRC-I
        Perseuscluster         ACIS-I
        SDSSJ102258.41+1234    ACIS-S       Feb 26
        Perseuscluster         ACIS-I
        SDSSJ102258.41+1234    ACIS-S
        ACT-CLJ0307.0-0628     ACIS-S
        Radiation Belts                     Feb 27
        Perseuscluster         ACIS-I
        CenterofCOSMOS-Web     ACIS-I
        Perseuscluster         ACIS-I
        PG1001+054             ACIS-S       Feb 28
        Perseuscluster         ACIS-I
        NGC4654                ACIS-S
        g12.82-0.02            ACIS-I
        NGC4654                ACIS-S
        g12.82-0.02            ACIS-I       Mar  1
        G292.0+1.8             ACIS-I
        Radiation Belts

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

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

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