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Operations CXO Status Report

Friday 16 September 2011 9.00am EDT

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

A real-time procedure was executed on Sep 15 to update the on-board ephemeris.

A Chandra press release was issued on Sep 13 discussing results from an observation of CoRoT-2a, a nearby star that has a planet in close orbit around it. The star is blasting the planet with an extremely high level of X-rays. This high-energy radiation is eroding the planet at a rate of 5 million tons of material per second. The planet, in turn, may be speeding up the star's rotation, which keeps the star's magnetic fields very active. For details see:

Of note this week was the release on Sep 13 of CALDB 4.4.6. This update includes ACIS time-dependent gain corrections for the period from May 2011 onward and a corrected temperature range in related ACIS -120C calibration files. For details see:

The schedule of targets for the next week is shown below and includes an observation of SWIFT J1822.3-1606, from a series which was accepted as a Target of Opportunity on Jul 20.

Radiation Belts                     Sep 18
         SWIFTJ1822.3-1606      ACIS-S
         ARLac (21 obs)         HRC-I
         ArLac (21 obs)         HRC-S        Sep 19
         SPT-CLJ2344-4242       ACIS-I
         A133-7                 ACIS-I
         Radiation Belts                     Sep 21
         SNR1987A               ACIS-S/HETG
         A133-7                 ACIS-I
         SNR1987A               ACIS-S/HETG  Sep 22
         BR0351-1034            ACIS-S       Sep 23
         A133-6                 ACIS-I
         Radiation Belts
         3C410                  ACIS-S       Sep 24
         HE0230-2130            ACIS-S
         A133-6                 ACIS-I


All spacecraft subsystems continued to support nominal operations.

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