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Friday 23 January 2004 8.30am EST
| Last week the observing schedule was halted due to high radiation associated with solar flare activity. The loads were halted on Jan 21 at 6:51am EST through a ground command to execute the SI Safing SCS 107. This ensured that the accumulated radiation dose for ACIS remained below the allowed threshold. Loads were restarted at 3:21pm EST on Jan 22. Observations of M101, the Earth and MS30.7 (total 113 Ks) were impacted by the event.
The 2004 winter eclipse season began on Jan 18 and Chandra passed though eclipses on Jan 18 and 20 with nominal power and thermal performance. During the next week eclipses will occur on Jan 23, 26 and 28. The schedule of targets for the next week is shown below and includes an observation of the Earth and an observation of Saturn coordinated with HST. |
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Radiation Belts Jan 25 FTM 0830+3759 ACIS-S Jan 26 Saturn ACIS-S Crab Nebula ACIS-S NGC 362 ACIS-S Jan 27 RCW103 ACIS-I CXOU J010043.1-721 ACIS-S 1RXS J170854.4-321 ACIS-S CXOU J010043.1-721 ACIS-S Jan 28 Radiation Belts G63.7+1.1 ACIS-S 3C 388 ACIS-I Jan 29 CXOU J010043.1-721 ACIS-S Earth HRC-I NGC4419 ACIS-S HIP 42177 ACIS-I Jan 30 NGC 362 ACIS-S Radiation Belts M31-Center ACIS-I Jan 31 RX J1914.4+2456 ACIS-S PSR B1706-44 ACIS-I
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All spacecraft subsystems continued to support nominal operations.
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Revised: July 08, 2022