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3 February 2012 The Spitzer Space Telescope
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Abstract
The Spitzer Space Telescope, which has operated very successfully since 2003 in its unique Earth-trailing solar orbit, is NASA's Great Observatory for infrared astronomy. We provide a quick overview of the optical characteristics of Spitzer and review the observatory design. The main emphasis is on two unique on-orbit activities used to optimize the scientific return from Spitzer: 1. an unusual approach to focusing the telescope that minimized the use of the cryogenic focus mechanism, and 2. a methodology for extending the cryogenic lifetime of Spitzer by actively controlling the telescope temperature.
© 2012 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2012/$25.00 © 2012 SPIE
Michael W. Werner "The Spitzer Space Telescope," Optical Engineering 51(1), 011008 (3 February 2012). https://doi.org/10.1117/1.OE.51.1.011008
Published: 3 February 2012
JOURNAL ARTICLE
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