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Operations CXO Status Report

Friday 14 January 2022 9.00am EST

Chandra press and image releases were issued on Jan 10 describing a "Mini" Monster Black Hole in MRK 462. This is one of the first times that an obscured, supermassive black hole has been found in a dwarf galaxy. If a large fraction of dwarf galaxies contain supermassive black holes it favors the idea that small black hole seeds from the earliest generation of stars grew quickly to form supermassive black holes in the early universe. For more details see:

A Chandra press release was issued on Jan 11 describing Chandra observations of supernova AT2020mrf. This belongs to a rare class called "cow-like" supernova after the first of its class (SN AT2018cow), which was very bright and faded very quickly. Another feature was a very active, exposed compact object. AT2020mrf is the brightest cow supernova seen to date in X-rays. For more details see:

The schedule of targets for the next week is shown below and includes an observation of eRASStJ234403.0-352640, which is a follow-up to a Target of Opportunity accepted on May 11, and an observation of GLEAM-X J162759.5-523504.3, which was accepted as a Director's Discretionary Time Target of Opportunity on Nov 26.

        Radiation Belts                     Jan 17
        eRASStJ234403.0-352    ACIS-S
        SDSSJ074922.96+2255    ACIS-S
        Abell2744              ACIS-I
        GraLJ1721+8842         ACIS-S       Jan 18
        SDSSJ074922.96+2255    ACIS-S
        Abell2744              ACIS-I
        SDSSJ123045.53+4109    ACIS-S
        SDSSJ101549.00+00202   ACIS-S       Jan 19
        Radiation Belts
        GX340+0                ACIS-S/HETG  Jan 20
        PKS1136-135            ACIS-S
        SDSSJ083247.64+2302    ACIS-S
        GX340+0                ACIS-S/HETG
        NGC3268                ACIS-I
        SDSSJ082341.08+2418    ACIS-S       Jan 21
        SDSSJ083247.64+2302    ACIS-S
        ngc4631                ACIS-S
        Radiation Belts                     Jan 22
        GLEAM-XJ162759.5-52    ACIS-S
        PSZ2G225.48+29.41      ACIS-I
        GLEAM-XJ162759.5-52    ACIS-S       Jan 23
        SDSSJ110607.47-17311   ACIS-S
        RXJ1053.7+5735         ACIS-S
        SDSSJ173202.96+5958    ACIS-S
        SDSSJ082341.08+2418    ACIS-S


All spacecraft subsystems continued to support nominal operations.

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