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Operations CXO Status Report

Monday 24 April 2000 9.30 EDT

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

A new version of the Off-Line System (OFLS release 8.1A) was installed on the operational strings on 4/19 following completion of acceptance testing at the OCC. The release provides several enhancements and a number of fixes including allowing target offsets for roll constrained observations and correctly calculating the LGA visibility with allowance for Sun shade door blockage. The new release was used to build the schedule and command loads for the week of April 23.

The planned observations for next week are as follows.

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Cyg X-2 HRC-I/LETG Apr 24 MS 1621.5+2640 ACIS-I 44 Boo ACIS-S/HETG Apr 25 AX J1951+5609 ACIS-I Radiation Belts V404 Cyg ACIS-S Apr 26 NGC 4258 HRC-S/LETG NGC 5033 ACIS-S Apr 28 Radiation Belts A1835 ACIS-S Apr 29 RX J1347-114 ACIS-S NGC 5236 (M83) ACIS-S Vela Pulsar ACIS-S Apr 30 E0102-72.3 ACIS-I 1E 0056.8-7154 ACIS-S V1223 SGR ACIS-S/HETG Radiation Belts May 1

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The spacecraft subsystems continued to operate nominally.

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