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Operations CXO Status Report

Friday 15 December 2000 10.00am EST

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

Real-time procedures were completed during the week to perform a routine ephemeris update and conduct a check of the CPE warm start count that showed the value remained at 1.

Items of note from the Program last week included a press release on 11 Dec announcing that three high school students, using data from Chandra and the National Science Foundation's Very Large Array (VLA), have found the first evidence of a neutron star in the nearby supernova remnant IC443, a system long studied by professional astronomers. The discovery led the team to the national finals and a 1st place finish in the team competition at the Siemens-Westinghouse Science and Technology Competition held today in Washington, DC. See

The planned observations for the coming week are shown below and include a series of challenging observations of Jupiter to be used in calibrating the ACIS optical blocking filter, and over 300,000 seconds of a planned 1 million second observation of the Chandra Deep Field Survey (CDFS). This observation is aimed at finding sources up to a factor of four fainter than the deepest Chandra image to date. In addition, there are two key coordinated observations, one of Jupiter coordinated with both the Hubble Space Telescope and the Cassini mission as is passes the planet on its way to Saturn, and the other of the Crab Nebular coordinated with the Hubble Space Telescope.

Radiation Belts                      Dec 17 
GSGP4X:048              ACIS-S
Jupiter (Multiple)      ACIS-S       Dec 18 
Crab Nebula             ACIS-S
CDFS                    ACIS-I
Radiation Belts                      Dec 19 
ARLac (Multiple)        HRC-S        Dec 20 
LHS 1038                ACIS-S
CDFS                    ACIS-I
Radiation Belts                      Dec 22 
3C 58                   HRC-S        Dec 23 
CDFS                    ACIS-I 
Radiation Belts                      Dec 25


All spacecraft subsystems continued to operate nominally.

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