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Operations CXO Status Report

Friday 4 November 2011 9.00am EDT

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

Chandra passed through the sixteenth and seventeenth eclipses of the fall season on Oct 30 and Nov 2 respectively, with nominal power and thermal performance. A real-time procedure was executed on Oct 31 to clear a glitch counter that incremented during eclipse exit. The counter increment is expected under certain timing and thermal conditions. A second real-time procedure was executed on Nov 2 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

Of note this week was the release on Nov 1 of CXCDS 8.4.1 for standard processing, which includes several upgrades to support ReproIV in AP and to better handle data from pipeline processing in archive, a change in HRC masks to better account for "bad-pixel" regions, and an update to the ACIS default aim-point.

The schedule of targets for the next week is shown below and includes observations of GRB 110731A and Swift J1834.9-0846, which are follow-ups to Targets of Opportunity that were accepted on Aug 10 and Aug 24 respectively, and observations of IC348 coordinated with Spitzer.

 IIZw70                 ACIS-S       Nov  6
         NGC2805                ACIS-S
         IC348                  ACIS-I
         3c274.1                ACIS-S
         SDSSJ1319+5202         ACIS-S       Nov  7
         Perseus_NWclumping1    ACIS-I
         Radiation Belts
         GRB110731A             ACIS-S       Nov  8
         RXJ1131-1231           ACIS-S
         31Com                  HRC-I
         IC348                  ACIS-I       Nov  9
         J0949+3213             ACIS-S
         NGC4388                ACIS-S
         Radiation Belts                     Nov 10
         KTEridani              ACIS-S
         3c16                   ACIS-S       Nov 11
         SwiftJ1834.9-0846      ACIS-S
         SDSSJ1422+4417         ACIS-S       Nov 12
         IC348                  ACIS-I
         M31                    HRC-I
         SDSSJ1454+5114         ACIS-S
         SDSSJ1227+6803         ACIS-S
         Radiation Belts
         3c103                  ACIS-S       Nov 13
         Perseus_NWclumping2    ACIS-I
         NGC7008                ACIS-S


All spacecraft subsystems continued to support nominal operations.

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