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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.

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

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

All spacecraft subsystems continued to support nominal operations.

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