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Operations CXO Status Report

Friday 3 May 2002 4.00pm EDT

During the last week, Chandra completed the observing schedule as planned. (We note that this is the first week since March 1 that replans have not been required due to either solar activity or TOOs.)

A new version of the Off-Line System (OFLS) ground software began use operationally on May 3. Version 9.2B includes increased optimization of the momentum management and a better calculation for Earth avoidance during slews.

The observing schedule for the next week is shown below and includes two observations of NGC 4151 coordinated with Hubble Space Telescope.

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PSS 0958+0740 ACIS-S May 5 XRF020427 ACIS-S May 6 Radiation Belts Tornado ACIS-I H220301 ACIS-I May 7 SGR A* ACIS-I NGC 5408 ACIS-S 1030-357 ACIS-S 0827+243 ACIS-S NGC 4151 ACIS-S/HETG Radiation Belts May 8 NGC 4151 ACIS-S/HETG May 9 MCG+08-23-067 (2 obs) ACIS-S May 11 Radiation Belts NGC 6266 ACIS-S May 12

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All spacecraft subsystems continued to operate nominally.

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