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Operations CXO Status Report

Friday 18 February 2005 9.00am EST

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

A real-time procedure was completed on February 11 to update the on-board ephemeris.

A Chandra press release was made on Feb 15 describing results from the best black hole survey to date made with Chandra. The results indicate that the very largest black holes reach a certain point and then grow no more. The release also describes the discovery of many previously hidden black holes that are well below their weight limit. For details see:

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

cl0926+1242 ACIS-I Feb 20 M31* HRC-I Feb 21 B1152+199 ACIS-S Feb 22 Cygnus A ACIS-I Radiation Belts Cygnus A ACIS-I Feb 23 PSR B1133+16 ACIS-S SDSSJ0924+0219 ACIS-S M81* ACIS-S/HETG Feb 24 1H 1905+000 ACIS-S Cygnus A ACIS-I Radiation Belts Feb 25 G21.5-09 (2 obs) ACIS-I G21.5-09 ACIS-S Feb 26 G21.5-09 HRC-I B1152+199 ACIS-S NGC 4473 ACIS-S Sgr A* ACIS-I Feb 27 SDSS J124035.81-00 ACIS-S NGC4104 ACIS-I AX J1241.3+3501 ACIS-S XTE J1118+480 ACIS-S/HETG RX J193214.6+30074 ACIS-S


All spacecraft subsystems continued to support nominal operations.

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