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Operations CXO Status Report

Friday 23 December 2005 9.00am EST

During the last week the observing schedule was replanned to include an observation of GRB 051221 that was accepted as a 1 day turn-around Target Of Opportunity (TOO) on 21 Dec. Loads were replanned and uplinked on Dec 22. Observations of RX J0806.3+1527 and HGC 30 were impacted by the TOO and will be rescheduled in a later load.

A brief episode of anomalous telemetry was received from the HRC instrument on Dec 15 and is under investigation. The anomalous data were seen in the secondary engineering portion of the telemetry stream and had no operational impact. No corruption of the X-ray event data was observed.

Of note last week was the release of the Chandra Cycle 8 Call For Proposals on Dec 16 with a deadline for proposal submission of 15 March 2006.

The Mission Planning team worked hard to develop a 2 week schedule to cover the holidays as shown below. Of note is the continuation of the long series of observations of 47 Tuc (500Ks in this schedule), and observations of M31 and M87 coordinated with HST.

------------------------------------------
Radiation Belts                      Dec 26
47 Tuc                  HRC-S        Dec 27
PG 0844+349             ACIS-S/HETG
47 Tuc                  HRC-S        Dec 28
Radiation Belts                      Dec 29
47 Tuc                  HRC-S
HDE 245059              ACIS-S/HETG  Dec 30
PG 0844+349             ACIS-S/HETG
47 Tuc                  HRC-S
Radiation Belts                      Dec 31
PG 0844+349             ACIS-S/HETG  Jan 1 
1RXS J092310.1+275      ACIS-S
SDSS J0926+3624         ACIS-S
47 Tuc                  HRC-S        Jan 2 
Radiation Belts                      Jan 3 
47 Tuc                  HRC-S
HDE 245059              ACIS-S/HETG  Jan 4 
M87                     ACIS-S
V1118 Ori               ACIS-S
47 Tuc                  HRC-S        Jan 5 
Radiation Belts                      Jan 6 
M31                     ACIS-I
47 Tuc                  HRC-S
IRAS 20050+2720         ACIS-I       Jan 7 
NGC 1893                ACIS-I
47 Tuc                  HRC-S

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

The next report is planned for January 6 following the holiday. A Happy Holiday and New Year to everyone from the Chandra Team!

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