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Operations CXO Status Report

Friday 29 May 2026 9.00am EDT

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

A real-time procedure was executed on May 26 to test HRC-S operational stability. Observations with the HRC-S detector have been suspended since the HRC-S High-Voltage anomaly on Oct 23, 2025.

The schedule of targets for the next week is shown below and includes observations of EP260302a, which was accepted as a Director's Discretionary Time Target of Opportunity on May 22, observations of LEDA 184063, which is a follow-up to a Target of Opportunity accepted on Apr 1, and an observation of SN2026hkg, which is a follow-up to a Target of Opportunity which was accepted on Mar 28 and is coordinated with NuSTAR.



------------------------------------------
        SNRG1.9+0.3            ACIS-S       May 31
        EP260302a              ACIS-S       Jun  1
        SNRG1.9+0.3            ACIS-S
        EP260302a              ACIS-S
        6dFJ0421194-313805     ACIS-S
        PWNJ1631-4721          ACIS-S
        Radiation Belts                     Jun  2
        IIZW083                ACIS-S
        SDSSJ112728.73+1951    ACIS-S       Jun  3
        SN2026hkg              ACIS-S
        SNRG1.9+0.3            ACIS-S
        CenterofCOSMOS-Web     ACIS-I
        SNRG1.9+0.3            ACIS-S       Jun  4
        PSRJ1015-5719          ACIS-I
        Radiation Belts                     Jun  5
        LEDA184063             ACIS-S
        SN2024ggi              ACIS-S
        NGC4593                ACIS-S/HETG  Jun  6
        PSRJ1015-5719          ACIS-I
        LEDA184063             ACIS-S
        CenterofCOSMOS-Web     ACIS-I
        PKS1552m331_field_s1   ACIS-S
        ZwCl0857.9+2107        ACIS-S
        IGRJ15549-3740         ACIS-S       Jun  7
        ZwCl0857.9+2107        ACIS-S
        2MASSJ12300479-1323    ACIS-S
        Radiation Belts
        CenterofCOSMOS-Web     ACIS-I       Jun  8

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

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

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