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Operations CXO Status Report

Friday 2 April 2010 9.00am EDT

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

Real-time procedures were executed on Apr 1; the first to update the on-board ephemeris and the second to monitor the performance of the MUPS thrusters during a firing at an elevated starting valve temperature. The MUPS thruster firing was the third 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.

A Chandra image release was issued on Mar 29 of the supernova remnant G54.1+0.3. The new composite image of Chandra and Spitzer data from G54.1+0.3 shows the dusty remains of a collapsed star. X-rays from Chandra reveal a wind of high-energy particles from the pulsar at the center of G54.1+0.3. The Spitzer data shows an infrared shell around the pulsar that is made of gas and dust that condensed from the supernova. For details see:

The schedule of targets for the next week is shown below

Radiation Belts                     Apr  4
SDSSJ153656.44+3122    ACIS-S       Apr  5
SAXJ1753.5-2349        HRC-S
PKS1510-089            ACIS-S
NGC602                 ACIS-I
ChandraDeepField-S     ACIS-I       Apr  6
NGC602                 ACIS-I       Apr  7
Radiation Belts
NGC602                 ACIS-I
ChandraDeepField-S     ACIS-I       Apr  8
GS0834-430             ACIS-I       Apr  9
SDSSJ113638.38+4245    ACIS-S
3C310                  ACIS-S
Radiation Belts                     Apr 10
NGC602                 ACIS-I
CenANMLFilament        ACIS-S       Apr 11
NGC602                 ACIS-I


All spacecraft subsystems continued to support nominal operations.

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