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Operations CXO Status Report

Friday 21 October 2005 9.00am EDT

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

A real-time procedure was conducted on Oct 16 to reboot the ACIS back-end processor (BEP) and restart the digital electronics assembly (DEA) housekeeping process. Thr procedure was conducted as a cleanup action following the unexpected shutdown of the DEA on Sept 15.

Real-time procedures were also conducted on Oct 19 and 20 to run a passes with the new Linux version of the ground system. The procedures were part of the final acceptance testing of the system and were completed without problem.

Of note last week was the Chandra User Committee meeting held at the CXC on October 19-20.

The schedule of targets for next week is shown below and includes an observation of 4U 1705-44 coordinated with RXTE.

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Radiation Belts Oct 24 RXJ0419.6+0225 ACIS-S The Crab Nebula ACIS-S/HETG Oct 25 SGR 1627-41 ACIS-S Limiting Window ACIS-I 87GB 1437+4423 ACIS-S RGBJ0254+3931 ACIS-S MACSJ0159.0-3412 ACIS-I 4U 1705-44 ACIS-S/HETG Oct 26 Radiation Belts cl0405-4100 ACIS-I Oct 27 HH 154 ACIS-I 2PIGGz0.068 J0311 ACIS-I Oct 28 SDSS J1602+4228 ACIS-S Radiation Belts Oct 29 GX 5-1 ACIS-S/HETG SDSS J032349.53-00 ACIS-S Oct 30 MACSJ0326.8-0043 ACIS-I

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All spacecraft subsystems continued to support nominal operations.

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