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Operations CXO Status Report

Friday 15 October 2021 9.00am EDT

During the last week the observing schedule was replanned to include a 20ks observation of SN2021aabp that was accepted as a Director's Discretionary Time Target of Opportunity on Oct 8. A planned observation of PS16dtm was impacted and will be rescheduled at a later date. The replanned loads were uplinked on Oct 14.

A Chandra image release was issued on Oct 12 describing Chandra observations of the supernova remnant G344.7-0.1, combined with infrared data from Spitzer and radio data from ground-based telescopes. G344.7-0.1, located about 19,600 light years from Earth, originates from a class of supernovas called "Type Ia" that can result from a white dwarf accumulating material from a nearby companion star until the white dwarf explodes. Chandra data contribute the ability to map the distribution of heavy elements heated by shock waves. For more details see:

The schedule of targets for the next week is shown below and includes an observation of 2020wnt, which is a follow-up to a Target of Opportunity accepted on on Feb 10, an observation of EXO2030+375, which was accepted as a Director's Discretionary Time Target of Opportunity on Sep 30, and an observation of MRK18 coordinated with NuSTAR.

        Tycho'sSNR             ACIS-I       Oct 17
        m31                    HRC-I        Oct 18
        2020wnt                ACIS-S
        Radiation Belts                     Oct 19
        NGC3081                ACIS-S
        PGC1842307             ACIS-S
        M82X-2                 HRC-I
        EXO2030+375            ACIS-S/HETG
        PSRB2224+65            ACIS-I       Oct 20
        m31                    HRC-I
        J110632.29+292314.4    ACIS-S       Oct 21
        CasJ005311             ACIS-I
        Radiation Belts                     Oct 22
        NGC3081                ACIS-S
        2RXSJ024217.8+08225    ACIS-S
        NGC3081                ACIS-S
        2RXSJ031732.3+07410    ACIS-S       Oct 23
        NGC3081                ACIS-S
        MRK18                  ACIS-S
        CasJ005311             ACIS-I
        J0435+3401             ACIS-S       Oct 24
        Radiation Belts


Use of the LETG is suspended pending uplink of an approved software patch. All other spacecraft subsystems continued to support nominal operations.

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