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Operations CXO Status Report

Friday 24 October 2003 12.00pm EDT

Last week the observing schedule was halted due to high radiation associated with solar flare activity. The loads were halted on Oct 24 at 9:34pm EDT through a ground command to execute the SI Safing SCS 107. This ensured that the accumulated radiation dose for ACIS remained below the allowed threshold. Loads will be re-started once radiation levels reach an acceptable level.

The observing schedule for next week is shown below and includes an observation of XTE J1810-197 that was accepted as a Target Of Opportunity.

zeta Lep ACIS-I Oct 26 ACIS BACKGROUND HRC-I Radiation Belts WR 135 ACIS-S Oct 27 XTE J1810-197 HRC-I Radiation Belts SN 1986J ACIS-S Oct 28 1322+36 ACIS-S Oct 29 FSC 10214+4724 ACIS-S Oct 30 Radiation Belts 4C 25.40 Field ACIS-I Oct 31 Abell 1201 ACIS-S FTM 0915+2418 ACIS-S SU AUR ACIS-S/HETG Radiation Belts Nov 2 SDSSJ080154.2+441233.9 ACIS-S


All spacecraft subsystems continued to operate nominally.

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