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Operations CXO Status Report

Friday 16 March 2018 9.00am EDT

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

A Chandra image release was issued on Mar 14 describing observations of the Crab nebula. The Crab has been observed multiple time over the more than 19 years of the Chandra mission. These allow us to measure changes in its structure. The latest image of the Crab is a composite with X-rays from Chandra, NASA's Hubble Space Telescope and NASA's Spitzer Space Telescope. The extent of the X-ray image is smaller than the others because extremely energetic electrons emitting X-rays radiate away their energy more quickly than the lower-energy electrons emitting optical and infrared light. See:http://chandra.si.edu/photo/2018/crab/ for details.

The Chandra proposal deadline is today, Mar 16, it was postponed by one day due to a snowstorm in Boston.

The schedule of targets for the next week is shown below and includes an observation of MAXI J1813-095, which is a follow-up to a Target of Opportunity which was accepted on Feb 21 and is coordinated with NuSTAR.



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NGC3393 ACIS-S Mar 19 SN1987A ACIS-S/HETG Radiation Belt Mar 20 MOOJ1229+6521 ACIS-I RNO1BC ACIS-I M87 ACIS-S Mar 21 UGC05675 ACIS-S UGC06151 ACIS-S UGC05750 ACIS-S UGC7342 ACIS-S J1418-1610 ACIS-S IGRJ18450-0435 HRC-I Mar 22 J1309+5601 ACIS-S UGC7342 ACIS-S Radiation Belt Mar 23 SN1987A ACIS-S/HETG NGC3393 ACIS-S SN1987A ACIS-S/HETG Mar 24 Radiation Belt Mar 25 MAXIJ1813-095 ACIS-S SN1987A ACIS-S/HETG Mar 26

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All spacecraft subsystems continued to support nominal operations.

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