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Operations CXO Status Report

Friday 12 March 2021 9.00am EST

During the last week the observing schedule was replanned to remove observations of TW Hya because the planned coordination with HST was not possible due to the safe mode entry of HST. These observations will be rescheduled in a future week.

A real-time procedure was executed on Mar 8 with an initial step to disable Thermal Primary Operational Bus 6. This will allow an assessment of the thermal benefit of turning off the associated heaters and indicate whether a permanent disable is appropriate. The real-time procedure is expected to be completed on Mar 13 when Bus 6 will be reenabled.

A Chandra press release was issued on Mar 9 describing observations of the redshift 5.8 radio-loud quasar PJ352-15. Chandra data shows evidence for the most distant known X-ray emitting jet. This jet would extend about 160,000 light years and be composed of energetic particles powered by magnetic fields. This result may help explain how the biggest black holes formed so quickly. For details see:

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

        KXComAB                ACIS-S       Mar 15
        PSRB2224+65            ACIS-I
        KXComAB                ACIS-S
        PSRB2224+65            ACIS-I
        NGC4747                ACIS-I       Mar 16
        Radiation Belts
        2RXSJ200731.8+22340    ACIS-I
        2RXSJ201005.6+23041    ACIS-I
        SNR1987A               HRC-S /LETG
        PKS1136-135            ACIS-S       Mar 17
        H1821+643              HRC-S /LETG
        Mrk54                  ACIS-S       Mar 18
        2RXSJ164153.4+11403    ACIS-I
        GDH15 (5)              ACIS-I
        SN2007C                ACIS-S
        Radiation Belts                     Mar 19
        NGC4485/90             ACIS-S
        H1821+643              HRC-S /LETG
        PKS1136-135            ACIS-S       Mar 20
        H1821+643              HRC-S /LETG
        PSZ2G282.28+49.94      ACIS-I       Mar 21
        Radiation Belts


All spacecraft subsystems continued to support nominal operations.

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