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Operations CXO Status Report

Friday 3 July 2009 10.00am EDT

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

Chandra passed through the last two eclipse of the 2009 summer season on Jun 25 and 28 with nominal power and thermal performance. A real-time procedure was conducted on Jun 27 to set the eclipse flag to "short" in preparation for the Jun 25 eclipse. Real time procedures were executed on Jun 29 to set the eclipse flag back to "medium" and to disable SCS 29 as post-eclipse season actions.

A real-time procedure was executed on Jul 1 to perform a routine self-check of the Electrical Interface Assembly (EIA) Sequencer.

A Chandra press release was issued on Jun 26 describing combined observations from ESO's Very Large Telescope and Chandra that have help shed light on the how cosmic rays are accelerated in supernova remnants. For details see: http://chandra.harvard.edu/press/09_releases/press_062609.html

Of note last week was the Cycle 11 Peer Review held in Boston, June 22-26.

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

------------------------------------------
NGC 7591               ACIS-I      Jul  5
Abell 3653             ACIS-S
Radiation Belts                    Jul  6
SNR 1987A              ACIS-S/HETG
SDSSJ1410+4145         ACIS-S      Jul  7
M82-SW                 ACIS-S
4U1724-307             ACIS-S LETG
1RXSJ211727.8-101707   ACIS-S      Jul  8
IC 5186                ACIS-I
Mkn 421                ACIS-S/LETG
SDSSJ1133+5920         ACIS-S
Radiation Belts                    Jul  9
SNR 1987A              ACIS-S/HETG
Vela PWN               ACIS-S      Jul 10
SDSSJ124134.25+44263   ACIS-S
M82-SW                 ACIS-S
Arp 104                ACIS-S      Jul 11
Radiation Belts
AXJ154905-5420         ACIS-S      Jul 12

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

All spacecraft subsystems continued to support nominal operations.

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