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The Spitzer Space Telescope
Opt. Eng. 51, 011008 (Feb 03, 2012); http://dx.doi.org/10.1117/1.OE.51.1.011008
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Add to FacebookThe 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
History
Received Jun 23, 2011
Revised Sep 26, 2011
Published online Feb 03, 2012
Revised Sep 26, 2011
Published online Feb 03, 2012
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Michael Werner, "The Spitzer Space Telescope",
Opt. Eng. 51, 011008 (Feb 03, 2012); http://dx.doi.org/10.1117/1.OE.51.1.011008
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