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Operations CXO Status Report

Friday 12 March 2010 9.00am EDT

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

A real-time procedure was executed on Mar 12 to monitor the performance of the MUPS thrusters during a firing at an elevated starting valve temperature. This was the second in a planned series of performance demonstrations, which are hoped to allow for the relaxation of the constraint on starting valve temperatures when scheduling momentum dumps. Thruster performance during the dump was nominal.

The schedule of targets for the next week is shown below and includes a DDT observation of the source 4U 1608-52, which was approved as a target of opportunity on Mar 8.

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Radiation Belts Mar 14 SDSSJ131926.52+1056 ACIS-S Mar 15 4U1608-52 ACIS-S/HETG Q0957+561 ACIS-S HZ43 HRC-S/LETG NGC4278 ACIS-S A1795 ACIS-I Mar 16 SDSSJ165636.98+3714 ACIS-S SNR1987A ACIS-S/HETG Mar 17 Radiation Belts SNR1987A ACIS-S/HETG ChandraDeepField-S ACIS-I Mar 18 NGC5099 ACIS-S Mar 19 AXJ131724+3203 ACIS-S SDSSJ134652.72+3924 ACIS-S Radiation Belts NGC5054 ACIS-S Mar 20 NGC4278 ACIS-S HZ43 HRC-I/LETG CSO755 ACIS-S Mar 21 RXJ0806.4-4123 ACIS-S ChandraDeepField-S ACIS-I J1311.9-3419 ACIS-I

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All spacecraft subsystems continued to support nominal operations.

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