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Operations CXO Status Report

Friday 10 January 2020 9.00am EST

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

A real-time procedure was executed on Jan 8 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

A Chandra press release was issued on Jan 6 describing Chandra observations of the M87 jet. M87 became famous in April 2019 when the Event Horizon Telescope released the first-ever direct image of its black hole. Chandra data show that the black hole in the galaxy M87 is propelling jet particles away from it faster than 99% the speed of light. The key new observation from Chandra is that the jet knot had faded by 70% between 2012 and 2017, ruling out the possibility that the apparent motion is due to a shock or wave effect. For details see: https://chandra.harvard.edu/press/20_releases/press_010620.html

A Chandra image release was issued on Jan 5 highlighting a 3D computer graphics visualization of the Crab Nebula based on visible, infrared, and X-ray data from the Chandra, Hubble and Spitzer space telescopes. The video dissects the intricate nested structure that makes up the stellar corpse, giving viewers a glimpse of the extreme and complex physical processes powering the nebula. For details see: https://chandra.harvard.edu/photo/2020/crab3d/

The schedule of targets for the next week is shown below and includes an observation of AT2019pev, which is a follow-up to a Target of Opportunity which was accepted on Oct 17, and observations of Eta Carinae coordinated with HST.



------------------------------------------
        RAqr                   ACIS-S       Jan 11
        GaiaDR233657684774     ACIS-S       Jan 12
        NGC2232-5              ACIS-I
        Radiation Belts                     Jan 13
        EtaCarinae             ACIS-S/HETG
        NGC2232-9              ACIS-I
        CSWA11                 ACIS-S       Jan 14
        EtaCarinae             ACIS-S/HETG
        CSWA11                 ACIS-S
        MRCB1706-606           ACIS-S       Jan 15
        Radiation Belts
        EtaCarinae             ACIS-S/HETG  Jan 16
        M12                    ACIS-S
        NGC2232-6              ACIS-I       Jan 17
        NGC2232-7              ACIS-I
        NGC2232-8              ACIS-I
        M12                    ACIS-S
        SDSSJ1005+3312         ACIS-S
        Radiation Belts                     Jan 18
        AT2019pev              ACIS-S
        J162421.4+270408.7     ACIS-S       Jan 19
        DSSJ0851+3926          ACIS-S

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

All spacecraft subsystems continued to support nominal operations.

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