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. |
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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
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All spacecraft subsystems continued to support nominal operations.
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Revised: May 05, 2009