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The Infrared Array Camera (IRAC) for the Spitzer Space Telescope

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arxiv astro-ph/0405616 v1 pith:VACFKIML submitted 2004-05-31 astro-ph

The Infrared Array Camera (IRAC) for the Spitzer Space Telescope

classification astro-ph
keywords iraccamerachannelsmicronsarrayfocalfourinfrared
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The Infrared Array Camera (IRAC) is one of three focal plane instruments in the Spitzer Space Telescope. IRAC is a four-channel camera that obtains simultaneous broad-band images at 3.6, 4.5, 5.8, and 8.0 microns. Two nearly adjacent 5.2x5.2 arcmin fields of view in the focal plane are viewed by the four channels in pairs (3.6 and 5.8 microns; 4.5 and 8 microns). All four detector arrays in the camera are 256x256 pixels in size, with the two shorter wavelength channels using InSb and the two longer wavelength channels using Si:As IBC detectors. IRAC is a powerful survey instrument because of its high sensitivity, large field of view, and four-color imaging. This paper summarizes the in-flight scientific, technical, and operational performance of IRAC.

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