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Operations CXO Status Report

Friday 23 July 2007 9.00am EDT

On July 23, we celebrated the 8th anniversary of Chandra's launch and 8 years of successful scientific operations. The spacecraft and instruments continue to operate superbly well and we look forward with excitement to the coming year of science discovery!

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

A ground system anomaly resulted in a missed pass on July 23 however the ground team was able to return the system to operations in time for the next contact and no science data were lost.

A Chandra press release was issued on Jul 24 describing new results that show that supermassive black holes grow more rapidly in young galaxy clusters. These "fast-track" supermassive black holes can have a big influence on the galaxies and clusters that they live in. For further details see:

In addition, a new Chandra podcast was released in conjunction with the 8 year anniversary of launch. The podcast can be downloaded at:

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

IGR J19308+0530        HRC-I        Jul 29
GBW19                  ACIS-I
GBW20                  ACIS-I       Jul 30
GBW21                  ACIS-I
GBW22                  ACIS-I
GBW23                  ACIS-I
RXJ1131-1231           ACIS-S
M87                    ACIS-S
M31                    ACIS-I
Radiation Belts                     Jul 31
LHA 120-N 11           ACIS-I
IGR J17407-2808        ACIS-S       Aug 1
GBW24                  ACIS-I
GBW25                  ACIS-I
GBW26                  ACIS-I
GBW27                  ACIS-I       Aug 2 
GBW28                  ACIS-I
GBW30                  ACIS-I
GBW29                  ACIS-I
Radiation Belts
RXJ1648.7+6019         ACIS-S       Aug 3
AX J1845-0258          ACIS-S       Aug 4
RS Ophiuchi            ACIS-S
J1911+00               ACIS-I       Aug 5


All spacecraft subsystems continued to support nominal operations.

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