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Operations CXO Status Report

Friday 13 May 2016 9.00am EDT

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

The results of the aspect camera dark (ACA) current calibration performed May 4 were nominal. The temperature-corrected warm pixel counts are consistent with recent mission trends. The latest value is slightly below the trend line and might indicate an annealing effect from the 2016:063 safe mode, but additional measurements are needed to confirm this.

A Chandra image release was issued on May 12 describing observations of Tycho's supernova remnant. Tycho belongs to a class of supernovas used to measure the expansion of the Universe so the details of these explosions are very important. For the first time, a movie has been made of the evolution of Tycho's supernova remnant. The movie includes X-rays observations from Chandra spaced out over a decade and a half. By combining the Chandra data with 30 years worth of observations with the VLA, scientists have learned new things about this remnant and its history. For details see:

The schedule of targets for the next week is shown below and includes an observation of GRO J1750-27, which is a follow-up of a Target of Opportunity accepted 2015 May 11.

        MKW8                   ACIS-I       May 15
        CBS311                 ACIS-S       May 16
        MKW8                   ACIS-I
        SDSSJ124230.58+5422    ACIS-S
        MCSNRJ05296653         ACIS-S
        Radiation Belts                     May 17
        LBQS1442-0011          ACIS-S       May 18
        SgrAcomplex1           ACIS-I
        MCSNRJ05296653         ACIS-S
        SgrAcomplex1           ACIS-I
        SDSSJ135646.10+1026    ACIS-S       May 19
        Radiation Belts                     May 20
        fcc148                 ACIS-S
        fcc255                 ACIS-S
        SPT-CLJ0640-5113       ACIS-I
        SPT-CLJ0459-4947       ACIS-I       May 21
        GROJ1750-27            ACIS-S
        GC-GBinterface(14 obs) ACIS-I
        ESO533-50              ACIS-S       May 22
        SPT-CLJ0459-4947       ACIS-I
        Radiation Belts


All spacecraft subsystems continued to support nominal operations.

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