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Operations CXO Status Report

Friday 6 June 2008 8.00am EDT

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

A failure of the T1 network link between the OCC and JPL/DSN on Jun 4 resulted in two missed passes and a roll-over to the B-side SSR. Communication was restored and all data successfully dumped before the B-side recorder filled. Real-time data were acquired by DSN during each of the missed passes and transferred to the OCC via a separate slow-speed link so state of health could be assessed.

A real-time procedure was executed on Jun 3 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

A Chandra image release was issued on Jun 2 of the mixed morphology supernova remnant, W28. The composite image shows particles that have been superheated in X-rays and an inner region enclosed by shell structure detected in radio emission. For details see:

The schedule of targets for the next week is shown below and includes an observation of CH Cyg coordinated with HST and NRAO radio telescopes.

GS 1839-06             HRC-I        Jun 9
CH Cyg                 ACIS-S
NGC1399                ACIS-S
AX J165105-4403        ACIS-S       Jun 10
NGC 6652               ACIS-S
NGC 6611               ACIS-I
HD157999               HRC-I
CH Cyg                 ACIS-S
Radiation Belts
AEGIS-1                ACIS-I       Jun 11
CH Cyg                 ACIS-S
PSR J1852+0040         ACIS-S
HD157999               HRC-I        Jun 12
AEGIS-1                ACIS-I
MACS1427-25            ACIS-I
AEGIS-1                ACIS-I       Jun 13
Radiation Belts
AEGIS-1                ACIS-I       Jun 14
ESO 137-001            ACIS-S


All spacecraft subsystems continued to support nominal operations.

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