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Operations CXO Status Report

Friday 15 June 2012 9.00am EDT

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

A flight software patch was uplinked on Jun 12 to update the optical bench assembly average temperature and HRMA and spacecraft strut maximum temperature thermal health-check thresholds. The updates are in response to increasing temperatures due to degradation of the Observatory's thermal covers during the mission. Real-time procedures were executed on Jun 12 dump OBC-A memory as a follow-up to this patch. The dump will be used to update the baseline memory image maintained on the ground.

A Chandra press release was issued on Jun 11 as a NASA press release describing observations of two black holes that are challenging the prevailing idea of how giant black holes grow in the cores of galaxies. These black holes are found in the centers of two relatively nearby galaxies: NGC 4342 and NGC 4291. New Chandra data suggest that the growth of these black holes is tied to the envelopes of dark matter around the galaxies, not their bulges. For details see:

The schedule of targets for the next week is shown below and includes observations of PTF12dam, which was accepted as a Target of Opportunity on May 29.

  ESO399-20              ACIS-S       Jun 18
         HR5907                 ACIS-S
         PTF12dam               ACIS-S
         Radiation Belts                     Jun 19
         SDSSJ091449.05+0853    ACIS-S
         G337.2+13              ACIS-I
         J0543.7-2739           ACIS-I       Jun 20
         NGC6352                ACIS-S
         SMCX-1                 ACIS-S/HETG
         RXCJ1512.2-2254        ACIS-I       Jun 21
         ALPHACEN               HRC-I
         G09-72                 ACIS-I
         J0233.4+2754           ACIS-I
         M31                    ACIS-I
         Radiation Belts                     Jun 22
         PSRJ1650-4341          ACIS-S
         SMCX-1                 ACIS-S/HETG
         NGC3384                ACIS-S       Jun 23
         PSRJ1702-4217          ACIS-S       Jun 24
         HD152404_P2            ACIS-S
         SPT-CLJ0256-5617       ACIS-I


All spacecraft subsystems continued to support nominal operations.

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