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Operations CXO Status Report

Friday 25 February 2011 9.00am EST

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

A real-time procedure was executed on Feb 18 to update the on-board ephemeris.

A Chandra press release was issued on Feb 23 describing the first direct evidence for a superfluid at the core of a neutron star. Chandra observations of Cassiopeia A, a supernova remnant located about 11,000 light years away from Earth, taken over a decade show significant cooling in the dense core left behind after the explosion. This cooling is likely caused by a neutron superfluid forming in its central regions. For details see: http://chandra.harvard.edu/press/11_releases/press_022311.html

The schedule of targets for the next week is shown below.

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IGRJ21188+4901 ACIS-I Feb 28 PSRJ1856+0245 ACIS-I 1RXSJ184756.1-22193 ACIS-S SLJ1204.4-0351 ACIS-I NGC3242 ACIS-S Radiation Belts Mar 1 SN1987A ACIS-S/HETG Gl31.5 ACIS-S Mar 2 1RXSJ021246.2-34225 ACIS-S SDSSJ084910.13+0445 ACIS-S NGC4593 HRC-S/ PSS0926+3055 ACIS-S Mar 3 Radiation Belts Mar 4 SN1987A ACIS-S/HETG IGRJ16393-4643 HRC-I Mar 5 NGC4593 HRC-S/LETG IGRJ17091-3624 HRC-I Mar 6 SN1987A ACIS-S/HETG

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All spacecraft subsystems continued to support nominal operations.

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