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Operations CXO Status Report

Friday 19 October 2007 9.00am EDT

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

A real-time procedure was completed on Oct 17 to verify the value of the CPE warm start count. The count has remained unchanged at the nominal value of 1.

A real-time procedure was conducted on Oct 18 to swap to SSR-B in order to preserve data on SSR-A following a DSN anomaly. Approximately 5 hours of data were lost during the scheduled playback of data due to the anomaly and the SSR swap will allow the lost data to be replayed at a later pass.

A Chandra press release was issued on Oct 17 announcing the discovery of the most massive stellar-mass black hole. The black hole has a mass of 15.7 times that of the Sun and is part of a binary system in the galaxy M33. For details see: http://chandra.harvard.edu/press/07_releases/press_101707.html

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

------------------------------------------
Radiation Belts                     Oct 21
NEW SGR                ACIS-S
NEW SGR                ACIS-S
Chandra Deep Field     ACIS-I       Oct 22
AX J163252-4746        HRC-I        Oct 23
AX J163751-4656        HRC-I
IGR J16479-4514        HRC-I
AX J165420-4337        HRC-I
XTE J1717-407          HRC-I
SAX J1712.6-3739       HRC-I
AX J172642-3540        HRC-I
XTE J1728-295          HRC-I
XTE J1805-295          HRC-I
XTE J1752-280          HRC-I
IGR J17331-2406        HRC-I
IGR J17597-2201        HRC-I
XTE J1812-230          HRC-I
RXS J180824.5          HRC-I
Chandra Deep Field     ACIS-I       Oct 24
AX J165217-4414        ACIS-S       Oct 25
AX J170052-4210        ACIS-S
AX J170444-4109        ACIS-S
AX J170555-4104        ACIS-S
AX J171910-3652        ACIS-S
AX J172623-3516        ACIS-S
AX J173518-3237        ACIS-S
AX J173548-3207        ACIS-S       Oct 26
AX J173628-3141        ACIS-S
AX J175331-2538        ACIS-S
AX J180816-2021        ACIS-S
AX J181120-1913        ACIS-S
AX J181213-1842        ACIS-S
Sgr A*                 ACIS-I
Radiation Belts
Chandra Deep Field     ACIS-I       Oct 27
X Persei               ACIS-I       Oct 28

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

All spacecraft subsystems continued to support nominal operations.

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