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Operations CXO Status Report

Friday 21 July 2023 9.00am EDT

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

Chandra press and image releases were issued on Jul 20 describing observations of the galaxy cluster SPT-CL J2215-3537, the most distant "relaxed" galaxy cluster identified to date. A recent analysis discovered a tremendous quantity of new stars forming in the central galaxy. The formation of stars in the cluster’s central galaxy is fueled by the cooling of the hot gas when a cluster becomes relaxed. The central galaxy is also isolated indicating no mergers have occurred within the last billion years. For details see:

The schedule of targets for the next week is shown below and includes an observation of XTE J1701-462, which is a follow-up to a Target of Opportunity accepted on Mar 28, and an observation of 4U 1626-67, which was accepted as a Director's Discretionary Time Target of Opportunity on Jul 7.

        Radiation Belts                     Jul 23
        QSOJ0041-4936          ACIS-I
        DESJ0320-35            ACIS-S
        UM85                   ACIS-S
        WINGSJ211347.41+022    ACIS-S       Jul 25
        NGC472                 HRC-I
        WINGSJ211347.41+022    ACIS-S
        CFHQSJ022743-060530    ACIS-S
        MACSJ2129.4-0741       ACIS-I       Jul 26
        Radiation Belts
        CFHQSJ022743-060530    ACIS-S
        NGC472                 HRC-I        Jul 27
        CFHQSJ022743-060530    ACIS-S
        MACSJ2129.4-0741       ACIS-I
        NGC472                 HRC-I
        A3562                  ACIS-I
        ESO338-4               ACIS-I       Jul 28
        A3562                  ACIS-I
        ESO338-4               ACIS-I
        XTEJ1701-462           ACIS-S
        Radiation Belts                     Jul 29
        SDSSJ123714.60+06475   ACIS-S
        4U1626-67              ACIS-S/HETG
        LEDA63981              ACIS-S
        M87                    HRC-I        Jul 30
        1E161348-5055.1        ACIS-S
        LMCN132D               HRC-I
        NGC1399                ACIS-S


All spacecraft subsystems continued to support nominal operations.

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