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Operations CXO Status Report

Friday 30 July 2010 9.00am EDT

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

A real-time procedure was executed on Jul 27 to monitor the performance of the MUPS thrusters during a firing at an elevated starting valve temperature. This was the sixth in a planned series of performance demonstrations, which are hoped to allow for the relaxation of the constraint on starting valve temperatures on scheduling momentum dumps. Thruster performance during the dump was nominal. A second real-time procedure was executed on Jul 29 to update the on-board ephemeris.

The schedule of targets for the next week is shown below and includes an observation of TOO_XTEJ1752-223 coordinated with the VLA and observations of GX 13+1 coordinated with RXTE.

------------------------------------------
Radiation Belts                     Aug  1
TOO_XTEJ1752-223       ACIS-S       Aug  2
GX13+1                 ACIS-S/HETG  Aug  3
PKS2005-489            ACIS-S/LETG
Radiation Belts                     Aug  4
VelaPWN                ACIS-S
PGC042748              ACIS-S       Aug  5
PGC042173              ACIS-S
GX13+1                 ACIS-S/HETG
PKS2005-489            ACIS-S/LETG
Radiation Belts                     Aug  7
SPT-CLJ0307-6225       ACIS-I
NGC1439                ACIS-S
Q2237+0305             ACIS-S
HESSJ1848-018          ACIS-I       Aug  8
SDSSJ145200.52+4431    ACIS-S
SPT-CL0528-5300        ACIS-I

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

All spacecraft subsystems continued to support nominal operations.

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