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Operations CXO Status Report

Friday 31 July 2009 9.00am EDT

Operations CXO Status Report, 31 July 2009, 9.00am EDT

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

A real-time procedure was executed on July 27 to obtain MUPS pressure and temperature data at a higher rate to assist in diagnosing the cause of the drop in pressure readings. The same real-time procedure was executed on July 30.

Work continued on the fault tree analysis of the MUPS tank pressure reading drop, with focus on false readings from the pressure sensor or a leak.

The schedule of targets for the next week is shown below

NGC6681                ACIS-S       Aug  3
HNTau                  ACIS-S       Aug  4
Radiation Belts
NGC922                 ACIS-S       Aug  5
M82-SE                 ACIS-S
M87                    ACIS-S       Aug  6
AXJ181915-1601         ACIS-S
AXJ175404-2553         ACIS-S
IGRJ17419-2802         ACIS-I
IGRJ17314-2854         ACIS-I
HESSJ1741-302          ACIS-I
Radiation Belts                     Aug  7
SwiftJ195509.6+2614    ACIS-S
G18.95-1.1             ACIS-I       Aug  8
IGRJ17475-2253         HRC-I
IGRJ17505-2644         HRC-I
IGRJ17585-3057         HRC-I
IGRJ17353-3539         HRC-I        Aug  9
VelaPWN                ACIS-S
Arp293                 ACIS-S


All spacecraft subsystems continued to support nominal operations.

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