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SIRTF Update October 6, 2003

Status Report From: Jet Propulsion Laboratory
Posted: Tuesday, October 7, 2003

image This is Day 43 of the 90-day in-orbit checkout and science verification period. SIRTF is in focus, and cold! Telescope performance meets or exceeds all requirements for image quality. The telescope temperature is now below 5.5 K, the design temperature and the temperature required for observations at 160 microns. Some parts of the cold telescope assembly are still cooling and will not reach steady-state for another week or two, but achievement of 5.5 K on the telescope itself is an important milestone for SIRTF.

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