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Operations CXO Status Report

Friday 8 September 2000 1.00pm EDT

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

The observatory passed through the second, third and fourth eclipses of the Fall 2000 season with nominal power and thermal performance. The next 3 eclipses will occur during next week as follows:

Eclipse 5    1:07 pm EDT    10 Sept 2000     79.2 min
Eclipse 6    4:46 am EDT    13 Sept 2000     69.1 min
Eclipse 7    8:29 pm EDT    15 Sept 2000     53.6 min


A real-time ACIS squeegee mode test was conducted at 1am EDT on 5 Sept to test the squeege approach with a back-side CCD (S1). Initial analysis of results shows performance improvement as expected. Other real-time procedures run last week included a routine check of the CPE Warm Start Count (value remained at 1) and the an on-board Ephemeris update.

The planned observations for the coming week are as follows.

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Eclipse-5 (79.2 min) Sep 10 Radiation Belts XTE J1550-564 ACIS-S Sep 11 NGC 6251 ACIS-I HR 1442 HRC-I M31 (multiple) HRC-I AR Lac-1 Eclipse ACIS-S/HETG X1543-62 ACIS-S/HETG Sep 12 1H 0707-495 ACIS-S/HETG Eclipse-6 (69.1 min) Radiation Belts Sep 13 U Gem ACIS-S/HETG Sep 14 AR Lac-3 ACIS-S Sep 15 Eclipse-7 (53.6 min) Radiation Belts AR Lac-2 ACIS-S Sep 16 4U 1626-67 ACIS-S/HETG

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All spacecraft subsystems continued to operate nominally.

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