Chandra Press Room :: Operations CXO Status Reports

Operations CXO Status Report

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

A real-time procedure was executed on Jan 31 to swap the prime solid-state recorder (SSR) from the B-side to the A-side. This swap concludes a six-month interval of health and trending data collection on SSR-B. A second real-time procedure was executed on Feb 2 to re-initialize the flight software Thruster Command Processing subfunction in order to prevent the occurrence of an overflow condition. A third real-time procedure was executed on Feb 4 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

A Chandra image release was issued on Feb 2 describing observations of the galaxy Pictor A. A giant jet spanning continuously for over 300,000 light years is seen blasting out of the galaxy Pictor A. In addition to the main jet, there is evidence for a jet moving in the opposite direction. Chandra observations at various times over a 15-year period provide new details of this impressive system. For detals see: http://chandra.si.edu/photo/2016/pictora/

The schedule of targets for the next two weeks is shown below and includes an observation of ASASSN-15lh, which is a follow-up Director's Discretionary Time Target of Opportunity accepted on Oct 19, observations of SgrA* coordinated with NuSTAR, and observations of SDSS J1145+0322, SDSS J1228+3414, SDSS J1012+3244, SDSS J1245+0156, SDSS J1223+1241, and SDSS J1638+1151 coordinated with ground-based observatories.

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        3CR220.2               ACIS-S       Feb  8
        SDSSJ1012+3244         ACIS-S
        SDSSJ1223+1241         ACIS-S
        ESO500-34              ACIS-S
        MCG-2-28-039           ACIS-S
        PSZ2G282.28+49.94      ACIS-I       Feb  9
        SDSSJ1145+0322         ACIS-S
        RXCJ121510.9+073205    ACIS-I
        RMJ123416.1+151508.    ACIS-I
        RXCJ1053.7+5452WES     ACIS-I
        Radiation Belts                     Feb 10
        2XMMJ123103.2+11064    ACIS-S
        RMJ113613.0+400235.    ACIS-I
        1642+690               ACIS-S
        NGC4051                ACIS-S/HETG  Feb 11
        Radiation Belts                     Feb 12
        NGC3782                ACIS-S
        GRB130427A             ACIS-S
        SDSSJ1221+1738         ACIS-S       Feb 13
        SDSSJ123142.17+3816    ACIS-S
        SgrA*                  ACIS-S
        W42                    ACIS-I
        GRB130427A             ACIS-S       Feb 14
        SgrA*                  ACIS-S
        Radiation Belts                     Feb 15
        SPT-CLJ0640-5113       ACIS-I
        SDSSJ1228+3414         ACIS-S
        GRB130427A             ACIS-S
        NGC4051                ACIS-S/HETG  Feb 16
        SDSSJ1638+1151         ACIS-S       Feb 17
        GRB130427A             ACIS-S
        Radiation Belts                     Feb 18
        SPT-CLJ0640-5113       ACIS-I
        1642+690               ACIS-S
        NGC4051                ACIS-S/HETG
        1642+690               ACIS-S       Feb 19
        Radiation Belts                     Feb 20
        SPT-CLJ0607-4448       ACIS-I
        ASASSN-15lh            ACIS-S
        SDSSJ1245+0156         ACIS-S       Feb 21
        NGC4051                ACIS-S/HETG
        ESO575-IG016NED02      ACIS-S       Feb 22
        SPT-CLJ0607-4448       ACIS-I
        Radiation Belts

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All spacecraft subsystems continued to support nominal operations.

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Revised: July 08, 2022