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Operations CXO Status Report

Friday 16 June 2017 9.00am EDT

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

On Jun 15 a real-time procedure was executed to patch the EPS Current Monitor Threshold to a new lower value which is consistent with trending expectations for the battery full-charge current. This is in response to the expected efficiency drop of the solar arrays due to aging.

The schedule of targets for the next week is shown below and includes an observation of MAXI J0911-655, which was accepted as a Director's Discretionary Time Target of Opportunity on Jun 1, and an observation of GRS 1915+105 coordinated with NuSTAR and ATCA.



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Vega HRC-S Jun 19 IRDCG35.4-0.33 ACIS-I Vega HRC-I VelaX-1 ACIS-S/HETG IGRJ16482-2959 ACIS-I Jun 20 Radiation Belts Jun 21 NGC6338 ACIS-S Mrk504 ACIS-S IRDCG35.4-0.33 ACIS-I SDSSJ234145.51-00464 ACIS-S Jun 22 MKN421 ACIS-S/HETG MKN421 ACIS-S/LETG MKN421 HRC-S/LETG MKN421 ACIS-S/LETG MKN421 HRC-S/LETG MKN421 ACIS-S/LETG MKN421 HRC-S/LETG Jun 23 MKN421 ACIS-S/HETG Radiation Belts ARSco ACIS-I Vega HRC-S Jun 24 NGC6338 ACIS-S IRDCG35.4-0.33 ACIS-I GRS1915+105 ACIS-S/HETG Vega HRC-S Jun 25 MAXIJ0911-655 HRC-S NGC5383 ACIS-S Vega HRC-S IRDCG35.4-0.33 ACIS-I Radiation Belts

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All spacecraft subsystems continued to support nominal operations.

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