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Friday 17 June 2011 9.00am EDT
| During the last week Chandra completed the observing schedule as
planned.
Real-time procedures were executed on Jun 10 to disable SCS-29, which was enabled by the unexpected eclipse detection during the penumbral eclipse on Jun 9, and to dump and clear the EPS glitch counters as a post-eclipse season action. A real-time procedure was executed on Jun 14 to uplink a flight software patch that updates duration of the long move for LETG retraction. This update is to prevent driving the LETG into the bumper before the end of the large move. Additional real-time procedures were executed on June 14-15 to dump OBC-A memory as a follow-up to the LETG long-move duration patch. The dump will be used to update the baseline memory image maintained on the ground. A Chandra press release was issued on June 15 as a NASA press release and briefing describing results from the Chandra Deep Field South. The deepest X-ray image of the sky shows that black holes are aggressively growing by 800 million years after the Big Bang. These black holes are growing in tandem with the galaxies in which they reside. The new results show there were at least 30 million black holes before the Universe was a billion years old. For details see: http://chandra.si.edu/press/11_releases/press_061511.html The schedule of targets for the next week is shown below and includes observations of GRS 1915+105, which was accepted as a Target of Opportunity (TOO) on Jun 10 and is coordinated with EVLA, Gemini, and RXTE, SwiftJ2058, which was accepted as a Director's Discretionary Time TOO on Jun 13, SN 2011by, which was accepted as a TOO on Jun 8, and G1 coordinated with the VLA. |
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J142123.99+463317.88 ACIS-S Jun 20 Radiation Belts SLJ1335.7+3731 ACIS-I GRS1915+105 ACIS-S/HETG Jun 21 SwiftJ2058 HRC-I Jun 22 SN2011by ACIS-S CentaurusA ACIS-I IGRJ15293-5609 ACIS-I Radiation Belts Jun 23 MACSJ0553.4-3342 ACIS-I muCol ACIS-S/LETG Jun 24 1FGLJ0147.4+1547 ACIS-I Jun 25 NGC7009 ACIS-S Radiation Belts PGC3853 ACIS-S Jun 26 RXCJ0605_Field3 ACIS-I G1 ACIS-S muCol ACIS-S/LETG
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All spacecraft subsystems continued to support nominal operations.
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Revised: July 08, 2022