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Operations CXO Status Report

Friday 11 May 2012 9.00am EDT

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

Chandra passed through the twentieth and twenty-first (final) eclipses of the season on May 5 and 8 respectively, with nominal power and thermal performance. Real-time procedures were executed on May 8 to set the short eclipse flag to "false", to disable SCS-29, and to dump and clear the EPS glitch counters as post-eclipse season actions.

A real-time procedure was executed on May 10 to update the on-board ephemeris.

A Chandra press release was issued on May 9 as a JPL press release describing evidence that galaxies with the most powerful, active, supermassive black holes at their cores produce fewer stars than galaxies with less active black holes. For details see:

The schedule of targets for the next week is shown below and includes an observation of MAXI J0556-332, which was accepted as a Target of Opportunity on May 8, observations of Sgr A* coordinated with several ground-based observatories, and an observation of KIC11560431 coordinated with HST.

Radiation Belts                     May 13
         Terzan5                ACIS-S
         RXJ1347.5-1145         ACIS-I       May 14
         SDSSJ1604+1645         ACIS-S
         NGC7662                ACIS-S       May 15
         CassiopeiaA            ACIS-S
         Radiation Belts                     May 16
         SgrA*                  ACIS-S/HETG
         NSV11919               ACIS-S       May 18
         Radiation Belts
         KIC11560431            ACIS-S       May 19
         LTT560                 ACIS-S
         SgrA*                  ACIS-S/HETG
         PSRJ1611-5847          ACIS-S       May 21
         MAXIJ0556-332          ACIS-S


All spacecraft subsystems continued to support nominal operations.

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