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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.

------------------------------------------
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

------------------------------------------

The spacecraft subsystems continued to operate nominally.

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