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Operations CXO Status Report

Friday 23 October 2015 9.00am EDT

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

A real-time procedure was executed on Oct 21 to collect bus-current data at a higher than normal rate during a planned angular-momentum unload. The data will be used to characterize the expected bus-current values for a range of thruster pulse durations during a nominal unload.

A Chandra press release was issued on Oct 21 describing observations of a "tidal disruption" event, dubbed ASASSN-14li, the closest one discovered in ten years. Astronomers have witnessed stellar debris being blown away after a black hole destroyed the star. For details see: http://chandra.si.edu/press/15_releases/press_102115.html

The schedule of targets for the next week is shown below and includes an observation of PHAT B9 coordinated with NuSTAR.



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SDSSJ091938.63+3602 ACIS-S Oct 26 PHATB9 ACIS-I Radiation Belts ChandraDeepField-S ACIS-I Oct 27 CygnusA-Nucleus ACIS-I Oct 28 SDSSJ153110.59+3414 ACIS-S Bootesmoddepth1 ACIS-I Oct 29 Radiation Belts G296.5+10.0-SW ACIS-I Oct 30 CODEX55604 ACIS-I SDSSJ235654.49-1016 ACIS-S ChandraDeepField-S ACIS-I Radiation Belts Nov 1 CygnusA-Nucleus ACIS-I

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All spacecraft subsystems continued to support nominal operations.

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