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Operations CXO Status Report

Friday 7 September 2018 9.00am EDT

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

A real-time procedure was executed on Sep 6 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

A Chandra image release was issued on Sep 6 describing a new composite image of the galaxy AM 0644-741. The image is derived from X-rays data from Chandra, combined with optical data from NASA's Hubble Space Telescope. The Chandra data reveal the presence of very bright X-ray sources, most likely binary systems powered by either a stellar-mass black hole or neutron star, in a remarkable ring. For details see: http://chandra.si.edu/photo/2018/ring/

The schedule of targets for the next week is shown below and includes an observation of TXS 2116-077, which was accepted as a Director's Discretionary Time Target of Opportunity on Aug 20 and is coordinated with Gran Telescopio Canarias, and observations of 21P/Giacobini-Zinner, which are follow up to a Target of Opportunity accepted on Aug 10.



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Radiation Belts 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S Westerlund2 ACIS-I ClGJ160022+331318 ACIS-I Sep 12 RXJ2143.0+0654 HRC-S /LETG SDSSJ142308.04+5013 ACIS-S Sep 13 Radiation Belts Westerlund2 ACIS-I ClGJ125558+620848 ACIS-I Sep 14 RXJ2143.0+0654 HRC-S /LETG TXS2116-077 ACIS-S Sep 15 SN1987A ACIS-S/HETG Radiation Belts Sep 16 SN1987A ACIS-S/HETG

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All spacecraft subsystems continued to support nominal operations.

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