Operations CXO Status Report

Friday 25 April 2003 9.00am EDT

During the last week Chandra completed the observing schedule as planned. The IRU-1 gyro-1 current remained at ~150mA (its yellow limit) with occasional noisy behavior. The procedure and products to perform a swap to IRU-2 were approved last week by the Flight Director Board and are available in the event they are needed. A Chandra image release of the Centaurus A Jet was made on 23 April. The composite Chandra and VLA radio image shows the inner 4,000 light years of the magnetized jet. For details see: http://chandra.harvard.edu/photo/2003/cenajet/index.html. The observing schedule for next week is shown below.

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F04103-2838            ACIS-S       Apr 27
 PSR B1509-58           ACIS-I       Apr 28
 Radiation Belts
 Tycho's SNR            ACIS-I       Apr 28
 NGC4102                ACIS-S       Apr 30
 FIRST J122749+321459   ACIS-S
 NGC 4450               ACIS-S
 B3 1659+399            ACIS-S
 Radiation Belts
 HD 163296              ACIS-S       May 1
 Eta Carinae            ACIS-S/HETG
 3C296                  ACIS-S       May 3
 Radiation Belts
 ACIS Background        HRC-I        May 4

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All spacecraft subsystems, with the exception of the MUPS thruster A-1 under investigation, continued to operate nominally.

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