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Operations CXO Status Report

Friday 5 March 2021 9.00am EDT

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

A real-time procedure was executed on Feb 28 to confirm that a heater on the Optical Bench Assembly (OBA) is stuck on and can be forced off by disabling power to one Thermal Primary Operational Bus. Real-time procedures were also executed on Mar 3 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer and to perform a diagnostic dump of the Control Processing Electronics (CPE).

Of note this week was the announcement on Mar 2 of the workshop: Chandra Data Science: Novel Methods in Computing and Statistics for X-ray Astronomy, to be held virtually in Aug 2021. For updated information, registration, and abstract submission, see: https://cxc.cfa.harvard.edu/cdo/cds2021/

The schedule of targets for the next week is shown below and includes observations of TWHya coordinated with HST and an observation of ESO234-G050 coordinated with NuSTAR.



------------------------------------------
        Radiation Belts                     Mar  8
        J090203.91+061849.6    ACIS-S
        TWHya                  HRC-S /LETG
        SNR0519-69.0           ACIS-S       Mar  9
        TWHya                  HRC-S /LETG
        2MASSJ20320890-4742    ACIS-S
        CD-298887              ACIS-S
        E0102-72.3             ACIS-I
        TWHya                  HRC-S /LETG  Mar 10
        J110632.29+292314.4    ACIS-S
        Radiation Belts                     Mar 11
        SDSSJ1138+0314         ACIS-S
        H1821+643              HRC-S /LETG
        SDSSJ1138+0314         ACIS-S
        H1821+643              HRC-S /LETG  Mar 12
        2RXSJ041939.0-12121    ACIS-I
        SDSSJ110202.68-0007    ACIS-S
        HR858                  ACIS-S
        H1821+643              HRC-S /LETG
        Radiation Belts                     Mar 13
        ESO234-G050            ACIS-S
        TWHya                  HRC-S /LETG  Mar 14
        J132751.6+480805.3     ACIS-S
        PSRB2224+65            ACIS-I

------------------------------------------

All spacecraft subsystems continued to support nominal operations.

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