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Operations CXO Status Report

Friday 18 October 2024 9.00am EDT

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

Real-time procedures were executed on Oct 11-13 to dump OBC-A and OBC-B memory as a follow-up to the flight software patches uplinked on Oct 11. The dump will be used to update the baseline memory images maintained on the ground.

Of note this week was the release on Oct 16 of the Sherpa 4.17.0 package for Python. This release of Sherpa incorporates bug fixes and new functionalities, including enhanced plotting capabilities, as well as improved documentation. For detailed release notes see: https://github.com/sherpa/sherpa/releases/tag/4.17.0

Also of note this week was the release on Oct 16 of CALDB 4.11.15, which updates HRC-S quantum efficiency uniformity data sets and includes additions to the PCAD ACA-primary DARK_CURR (dark current) file. For details see: https://cxc.cfa.harvard.edu/caldb/downloads/Release_notes/CALDB_v4.11.5.html

The schedule of targets for the next week is shown below, and includes observations of AT2024qfm, which is a follow-up to a Target of Opportunity which was accepted on Aug 1 and is coordinated with NuSTAR, and an observation of AT2024wpp, which was accepted as a Director's Discretionary Time Target of Opportunity on Oct 3 and is coordinated with NuSTAR.



------------------------------------------
        AT2024wpp              ACIS-S       Oct 21
        NGC2440                HRC-I
        CrabNebula             ACIS-S
        AT2024qfm              ACIS-S
        Vega                   HRC-S
        Vega                   HRC-S
        SMC2857                ACIS-S
        UM351                  ACIS-S       Oct 22
        SMC2857                ACIS-S
        AT2024qfm              ACIS-S
        Radiation Belts                     Oct 23
        zetaPuppis             ACIS-S/HETG
        Abell370               ACIS-I
        zetaPuppis             ACIS-S/HETG  Oct 24
        Abell370               ACIS-I
        NGC1512                ACIS-S
        SDSSJ005824.75+0041    ACIS-S
        LEDA407                HRC-S /LETG  Oct 25
        NGC7496                ACIS-S
        PSZ2G146.00-49.45      ACIS-I
        Radiation Belts                     Oct 26
        NSA91579               ACIS-S
        Abell370               ACIS-I
        2MASXJ10410120-17343   ACIS-S
        Abell370               ACIS-I
        SpARCSJ105111+58180    ACIS-I       Oct 27
        Abell370               ACIS-I
        SpARCSJ105111+58180    ACIS-I
        Abell370               ACIS-I

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

All spacecraft subsystems continued to support nominal operations.

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