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Operations CXO Status Report

Friday 2 November 2018 9.00am EDT

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

A real-time procedure was executed on Oct. 28 to disable SCS-26. Following the swap to the mixed-IRU configuration with both IRU's powered, the HRMA average temperature has been higher than in the previous single-IRU configuration. In this state, solar heating could cause a trip of the Chandra observatory thermal health check and run SCS-26, leading to an unnecessary thermal equipment swap. Disabling SCS-26 prevents this possibility. A patch of the HRMA average temperature health check limit is planned prior to re-enabling SCS-26.

The schedule of targets for the next week is still in work.

All spacecraft subsystems continued to support nominal operations.

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