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Operations CXO Status Report

Friday 20 September 2002 8.00am EDT

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

A real-time procedure was completed on Sept 16 to update the on-board ephemeris. Of note last week was the release to operations of OFLS 9.4. The ground system software update provides additional control over star catalog commanding when generating command loads.

Two press releases were issued last week. The first on Sept 13 reports the discovery of 6 times the expected number of galactic-scale black holes in an observation of a galaxy cluster. The second on Sept 19 was issued as a NASA HQ Space Science Update and describes a remarkable series of images of the Crab nebula combined to make a 'movie'. The sequence shows bright wisps emanating from the inner ring around the pulsar. For detail see: http://chandra.harvard.edu/press/02_releases/press_091302.html. http://chandra.harvard.edu/press/02_releases/press_091902.html.

The observing schedule for next week is shown below and includes an observation of 4U 1746-37 coordinated with RXTE.

------------------------------------------
HD1685                  ACIS-I       Sep 23
RXJ1856.5-3754          HRC-I
Radiation Belts
NGC 5904                ACIS-S       Sep 24
XTE J1550-564 (Jet)     ACIS-S
AX J1531.9+2420         ACIS-S
HS 1422+4224            ACIS-S       Sep 25
Q1815+614               ACIS-S
4C41.17                 ACIS-S
Radiation Belts                      Sep 26
4C41.17                 ACIS-S
1AXG J135629+7724       ACIS-I       Sep 27
HS 0017+2116            ACIS-S
SDSSJ023137-072854      ACIS-S
2MASSW0036+18           ACIS-S
4U 1746-37              ACIS-S/HETG  Sep 28 
Radiation Belts
PSR J1105-6107          ACIS-S       Sep 29

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

All spacecraft subsystems continued to operate nominally.

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