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Friday 16 March 2007 9.00am EDT
| During the last week Chandra completed the observing schedule as
planned.
An aspect camera dark current calibration was performed from the on-board loads on Mar 10. Assessment of the data indicated an expected rate of increase in warm pixels. A realtime procedure was completed on Mar 14 to update the on-board Ephemeris. Of note last week was the Chandra Cycle 9 proposal deadline at 6pm EDT on March 15. In excess of 660 GO proposals were received and the submission process proceeded smoothly. Preparations are complete for a 36 minute duration lunar eclipse that will begin at 10:22 am on Mar 18. Additional power loads will be applied prior to the eclipse to ensure the bus voltage remains below maximum levels when the solar arrays are reilluminated following eclipse exit (required since the arrays are more efficient when cold). A Chandra image release was issued on 12 March of a wide-fied panorama of a region in the the Bootes constellation. The survey is the largest contiguous field observed by Chandra, taken over 9.3 square degrees with 126 exposures of 5,000 seconds each. The data reveal more than a thousand supermassive black holes in the centers of galaxies, some up to several billion times more massive than the sun. For details see: http://chandra.harvard.edu/photo/2007/bootes/ The schedule of targets for next week is shown below. |
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Radiation Belts Mar 18 Sn 1987A ACIS-S/HETG M87 ACIS-S Mar 19 HZ43 HRC-I/LETG NGC 4151 ACIS-S/HETG PKS 1413+135 ACIS-S A3528s ACIS-I Mar 20 Sn 1987A ACIS-S/HETG IRAS F09111-1007 ACIS-S Radiation Belts Sn 1987A ACIS-S/HETG Mar 21 S0405 ACIS-I M87 ACIS-S SDSS J144642.29+01 ACIS-S Mar 22 Centaurus A Jet ACIS-I MS1455.0+2232 ACIS-I Mar 23 SDSS J1208+3550 ACIS-S Radiation Belts Sn 1987A ACIS-S/HETG Mar 24 M87 ACIS-S FBQ0951+2635 ACIS-S SDSSJ090332.77+011 ACIS-S Mar 25 NGC 4709 ACIS-S
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All spacecraft subsystems continued to support nominal operations.
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Revised: July 08, 2022