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Operations CXO Status Report

Friday 5 October 2012 9.00am EDT

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

Chandra passed through the 22nd and 23rd eclipses of the season on Sep 30 and Oct 3 respectively, with nominal power and thermal performance.

A demonstration of an update to the on-board ephemeris via commanding in the weekly loads was conducted on Oct 1. This successful demonstration will allow for more frequent ephemeris updates (once per orbit) which will reduce attitude errors at perigee by approximately a factor of four. A real-time procedure was executed on Oct 3 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

The schedule of targets for the next week is shown below and includes an observation of Parenago523_P2 coordinated with OVRO/CARMA.



------------------------------------------
Radiation Belts                     Oct  8
         NGC3324                ACIS-I
         Abell1758              ACIS-I       Oct  9
         M51                    ACIS-S       Oct 10
         Vega                   HRC-I
         Vega (4 obs)           HRC-S
         Parenago523_P2         ACIS-S
         J0252.0-1642           ACIS-I
         Abell2645              ACIS-I
         Radiation Belts                     Oct 11
         SPT-CLJ0446-5849       ACIS-I
         2XMMJ110145.0-61014    ACIS-I
         WR48a                  ACIS-S/HETG  Oct 12
         A773                   ACIS-I       Oct 13
         Radiation Belts                     Oct 14
         SPT-CLJ0446-5849       ACIS-I

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

All spacecraft subsystems continued to support nominal operations.

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