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Operations CXO Status Report

Friday 20 December 2013 9.00am EDT

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

A real-time procedure was used to monitor the momentum unload that was executed from the on-board command loads on Dec 18; the unload performance was nominal.

A Chandra image release was issued on Dec 17 describing observations of two binaries that may become AM Canum Venaticorum (or, AM CVn, for short) systems, J075141 and J174140. AM CVn are a rare class of objects where one white dwarf is pulling material from a compact companion star, such as a second white dwarf. As the orbit between these white dwarfs shrink, scientists predict ripples in space-time will be given off. For details see: http://chandra.si.edu/photo/2013/amcvn/

The schedule of targets for the next two weeks is shown below and includes a follow-up observation of GRB 130907A, which was accepted as a Target of Opportunity on Sep 27, observations of SDSS J1537+2716 and SDSS J1534+5034 coordinated with the Hobby-Eberly Telescope and observations of BP Tau coordinated with the KPNO 4-m telescope.



------------------------------------------
        SDSSJ1537+2716         ACIS-S       Dec 22
        PSRJ0051+0423          ACIS-S
        BPTau                  ACIS-S/LETG
        Capella                ACIS-S/HETG  Dec 23
        UGC03957EAST           ACIS-I
        G172.88+65.32          ACIS-I
        Radiation Belts                     Dec 24
        ShapleyB               ACIS-I
        1FLGJ1018.6-5856       ACIS-I
        EYHya                  ACIS-S       Dec 25
        PSRJ0335+4555          ACIS-S
        BPTau                  ACIS-S/LETG
        NGC7354                ACIS-S       Dec 26
        M87                    ACIS-S
        Radiation Belts
        GRB130907A             ACIS-S       Dec 27
        PSRJ0137+1654          ACIS-S
        BPTau                  ACIS-S/LETG
        PSRJ0520-2553          ACIS-S       Dec 28
        QJ0158-4325            ACIS-S
        1FLGJ1018.6-5856       ACIS-I       Dec 29
        Radiation Belts
        HAE212                 ACIS-S
        G098.95+24.86          ACIS-I       Dec 30
        BPTau                  ACIS-S/LETG
        PSRJ2156+2618          ACIS-S       Dec 31
        G125.70+53.85          ACIS-I
        SDSSJ1534+5034         ACIS-S
        Radiation Belts                     Jan  1
        COSMOSLegacy           ACIS-I
        PSRJ1334-5839          ACIS-S       Jan  2
        PSRJ2048+2255          ACIS-S
        BPTau                  ACIS-S/LETG
        WASP52                 ACIS-S       Jan  3
        PSRJ1410-7404          ACIS-S
        RXJ1131-1231           ACIS-S
        Radiation Belts
        G143.24+65.21          ACIS-I       Jan  4
        COSMOSLegacy           ACIS-I
        G049.33+44.38          ACIS-I       Jan  5
        G324.49-44.97          ACIS-I
        ESO445-081             ACIS-I       Jan  5

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

All spacecraft subsystems continued to support nominal operations.

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