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Operations CXO Status Report

Friday 23 November 2007 9.00am EST

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

A procedure was conducted during a perigee passage on Nov 19 to command off the ACIS side-B detector housing heater. The test was one in a series being used to determine the cooling thermal time constant of the housing at different pitch angles. The test results will be used to determine if observations can be conducted with the housing temperature turned off in order to mitigate an overall thermal warming trend.

The schedule of targets for the next week is shown below and includes an observation of M31 coordinated with XMM-Newton and a series of observations of two pointings in the DEEP2 survey field.

------------------------------------------
SDSS J162453.47+37     ACIS-S       Nov 25
DEEP2 Field 2 (10 obs) ACIS-I
M31                    ACIS-I       Nov 26
Radiation Belts                     Nov 27 
DR 21                  ACIS-I
DEEP2 Field 2 (2 obs)  ACIS-I       Nov 28
SAX J1324.4-6200       ACIS-I
DEEP2 Field 4 (2 obs)  ACIS-I
M31                    HRC-I
DEEP2 Field 4          ACIS-I
DEEP2 Field 4 (5 obs)  ACIS-I
DR 21                  ACIS-I       Nov 29
Radiation Belts
NGC 5422               ACIS-S       Nov 30
IGR J09485-4726        ACIS-I
Orion Trapezium Cl     ACIS-S/HETG
NGC 5422               ACIS-S       Dec 1
DEEP2 Field 4 (5 obs)  ACIS-I
2216-038               ACIS-S
cl0245+0936            ACIS-I
DR 21                  ACIS-I       Dec 2

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

All spacecraft subsystems continued to support nominal operations.

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