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Operations CXO Status Report

Friday 16 October 2009 9.00am EDT

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

A real-time procedure was executed on Oct 9 to perform a second test of update to the MUPS thruster firing parameters. The flight software was temporarily patched with the updated parameters for a scheduled MUPS thruster firing. This firing was planned for a longer duration than a similar test performed on Oct 1. The thruster firing performed as expected.

A real-time procedure was executed on Oct 16 to dump OBC-A memory as a follow-up to an unexpected fetch-and-validate glitch counter value. The glitch counter increment had no impact to operations. The root cause of the increment will be investigated; the leading candidate is on-board telemetry corruption.

The schedule of targets for the next week is shown below and includes a recently approved TOO observation of SN2009jf.

------------------------------------------
MACSJ0358.8-2955       ACIS-I        Oct 18
FUTau                  ACIS-S        Oct 19
RXJ0437.1+0043         ACIS-I
Radiation Belts                      Oct 20
HD9826                 ACIS-S
SPT2343-5411           ACIS-I
4U1724-307             ACIS-S/LETG   Oct 21
IRAS01298-0744         ACIS-S
M31                    ACIS-I        Oct 22
C4-DR5-3164            ACIS-S
HD9826                 ACIS-S
Radiation Belts
Abell586               ACIS-I        Oct 23
PKS0349-27             ACIS-S
J1718-3718             ACIS-S
4U1724-307             ACIS-S/LETG   Oct 24
SN2009jf               ACIS-S
LATPSRJ0357+32         ACIS-S        Oct 25

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

All spacecraft subsystems continued to support nominal operations.

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