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Operations CXO Status Report

Friday 23 June 2023 9.00am EDT

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

Chandra press and image releases were issued on Jun 21 describing observations of the vicinity of Sagittarius A*, the supermassive black hole (SMBH) at the center of the Milky Way galaxy, from Chandra and from NASA’s IXPE (Imaging X-ray Polarimetry Explorer). Data from the two satellites combine to reveal part of the outburst history of the currently quiescent SMBH as revealed by the effects on nearby molecular clouds. The evidence points to an intense, brief flare occurring about 200 years ago. For details see:

A Chandra image release was issued on Jun 20 describing the release of "sonifications" of three new objects: R Aquarii (a white dwarf and a red giant in orbit around each other), Stephan's Quintet (a group of four galaxies in close proximity), and Messier 104 (a large edge-on galaxy in the Virgo cluster). In the past few years, a sonification project has transformed digital astronomical data from some of the world's most powerful telescopes into sound, with each sonification generating a unique acoustic representation of an astronomical image. For details see

The schedule of targets for the next week is shown below.

        TrifidNebula           ACIS-S/HETG  Jun 26
        MKN421                 ACIS-S/LETG
        TrifidNebula           ACIS-S/HETG
        NGC3599                HRC-I
        [KDW2018]GRALJ1131     ACIS-S       Jun 27
        Radiation Belts
        Hen2-374               ACIS-S
        MKN421                 ACIS-S/LETG
        Hen2-374               ACIS-S       Jun 28
        MKN421                 ACIS-S/LETG
        Hen2-374               ACIS-S
        NGC3599                HRC-I
        ESO137-G034            ACIS-S
        QSOJ0041-4936          ACIS-I       Jun 29
        Abell141               ACIS-S
        ESO338-4               ACIS-I
        Radiation Belts                     Jun 30
        RXJ1856.5-3754         ACIS-S/LETG
        Abell2744              ACIS-I
        ESO338-4               ACIS-I
        3C454.3                ACIS-S       Jul  1
        Abell2744              ACIS-I
        RXJ1856.5-3754         ACIS-S/LETG
        CLJ012913.7-134229     ACIS-I       Jul  2
        RXJ1856.5-3754         ACIS-S/LETG
        Radiation Belts


All spacecraft subsystems continued to support nominal operations.

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