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Operations CXO Status Report

Friday 28 September 2018 9.00am EDT

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

A real-time procedure was executed on Sep 26 to collect high-rate telemetry for two key thermistors on the ACIS instrument. This was part of activities to develop an on-board safing monitor which will stop science loads and put the science instruments in a safe configuration in the event that ACIS temperatures exceed safety limits.

A Chandra press release was issued on Sep 25 announcing that NASA has awarded a contract extension to the Smithsonian Astrophysical Observatory (SAO) in Cambridge, Massachusetts, to continue operations and science support for the agency's Chandra X-ray Observatory. The contract extends the agreement between NASA and SAO through Sept. 30, 2024, followed by two three-year options that would extend the contract through Sept. 30, 2030. For details see: http://chandra.harvard.edu/press/18_releases/press_092518contract.html

A Chandra image release was issued on Sep 27 describing observations of Abell 2142, which is a galaxy cluster that is 6 million light years across and contains hundreds of galaxies. The Chandra data show that there is a galaxy group that is diving into Abell 2142, leaving a long tail of million-degree gas trailing behind. This merger event gives insight into the environment and conditions under which the largest structures in the universe evolve. For details see: http://chandra.harvard.edu/photo/2018/a2142/

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



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SDSSJ0958+2827 ACIS-S Sep 30 VTC0154-0111 ACIS-S Oct 1 A133filament ACIS-I Radiation Belts Oct 2 PSRJ2032+4127 ACIS-S Abell2219 ACIS-I NGC5929 ACIS-S Oct 3 SDSSJ0958+2827 ACIS-S SIMPJ013656.5+09334 ACIS-S 1RXSJ005620.1-093626 ACIS-I 21P/Giacobini-Zinner ACIS-S Oct 4 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S 21P/Giacobini-Zinner ACIS-S Radiation Belts Oct 5 A133filament ACIS-I SDSSJ021513.98-0846 ACIS-S SDSSJ1002+2031 ACIS-I JWST-DTDF-2 ACIS-I Perseusr200N ACIS-I Oct 6 A133filament ACIS-I Radiation Belts Oct 7

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All spacecraft subsystems continued to support nominal operations.

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