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Operations CXO Status Report

Friday 19 September 2003 9.00am EDT

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

Real-time procedures were completed on 12 Sept to swap back from SSR-B to SSR-A after a DSN outage led to two missed passes and an autonomous switch to SSR-B. JPL resolved the problem and all data were recovered during the following pass. A real-time procedure was completed on Feb17 to update the on-board ephemeris.

The 4 Years of Chandra Observations, A Tribute to Riccardo Giacconi Symposium was held in Huntsville Sept 16-18. In addition to the excellent science program, highlights included Dr. Giacconi's address and a visit by STS-93 crew Cady Coleman and Jeff Ashby.

Two press releases were issued in conjunction with the Symposium. The releases titled 'Luna Prospecting with Chandra' and '"Iron-Clad" evidence For Spinning Black Hole' can be found at: http://chandra.harvard.edu/press/03_releases/press_091603.html. http://chandra.harvard.edu/press/03_releases/press_091703.html.

The observing schedule for next week is shown below and includes a calibration observation of Capella coordinated with XMM-Newton.

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44I BOO HRC-S/LETG Sep 21 NGC 5204 X-1 ACIS-S Sep 23 HR 6200 HRC-I Radiation Belts NGC 7619 ACIS-S Sep 24 CL1641+4001 ACIS-I 4U 1323-619 ACIS-S/HETG Sep 25 4U1755-33 ACIS-S V4743 Sgr HRC-S/LETG Radiation Belts Crab Pulsar HRC-S/LETG Sep 26 Eta Carinae ACIS-S/HETG Capella ACIS-S/HETG Sep 27 Capella HRC-S/LETG Sep 28 B2 1615+35 ACIS-S

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All spacecraft subsystems continued to operate nominally.

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