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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.



------------------------------------------
        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

------------------------------------------

All spacecraft subsystems continued to support nominal operations.

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