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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.



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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

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All spacecraft subsystems continued to support nominal operations.

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