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Operations CXO Status Report

Friday 24 December 2010 9.00am EST

During the last week the observing schedule was replanned to include a 20ks observation of GRB101219A that was accepted as a Target of Opportunity on Dec 19. A planned observation of ACT J0438-5419 was impacted and will be rescheduled at a later date.

Real-time procedures were executed on Dec 17-18 to dump OBC-A memory as a follow-up to the gyro scale-factor and alignment matrix patch. The dump will be used to update the baseline memory image maintained on the ground. A second real-time procedure was completed on Dec 22 to update the on-board ephemeris

A Chandra press release was issued on Dec 20 describing a new study from Chandra that tells scientists how often the biggest black holes have been active over the last few billion years. This discovery clarifies how supermassive black holes grow and could have implications for how the giant black hole at the center of the Milky Way will behave in the future. For details see: http://chandra.harvard.edu/press/10_releases/press_122010.html

The Mission Planning team worked hard to develop a 2 week schedule to cover the holiday period as shown below. The schedule includes an observation of Cyg X-1 coordinated with RXTE.

------------------------------------------
       3A1954+319             ACIS-S/HETG  Dec 26
       MACSJ0712.3+5931       ACIS-I       Dec 27
       PGC32033               ACIS-S
       GZ_merger_AGN_5        ACIS-I
       Radiation Belts                     Dec 28
       2M04414825             ACIS-S
       SDSSJ0812+5225         ACIS-S
       AKARI-NEP-DeepField    ACIS-I
       GJ338                  HRC-S/LETG   Dec 29
       L5-V4                  ACIS-I       Dec 30
       L6-L9                  ACIS-I
       Radiation Belts
       PNA6630                ACIS-S
       6C0850+3747            ACIS-S       Jan  1
       AKARI-NEP-DeepField    ACIS-I
       L4                     ACIS-I       Jan  2
       Radiation Belts
       DLSCLJ0916+2953        ACIS-I
       J084255.61+331822.58   ACIS-S       Jan  3
       3C305                  ACIS-S
       A3581                  ACIS-S
       Radiation Belts                     Jan  4
       J090508.85+074151.24   ACIS-S       Jan  5
       1RXSJ044048.0+292440   ACIS-S
       NGC2683                ACIS-S
       3C305                  ACIS-S       Jan  6
       CygX-1                 ACIS-S/HETG
       Abell665               ACIS-I
       Radiation Belts                     Jan  7
       3C198                  ACIS-S
       GZ_merger_AGN_7        ACIS-I
       HBC515                 ACIS-S       Jan  8
       GZ_merger_AGN_1        ACIS-I
       AKARI-NEP-DeepField    ACIS-I
       VERJ2019+407           ACIS-I
       Abell665               ACIS-I       Jan  9

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

All spacecraft subsystems continued to support nominal operations.

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