September
2004
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2004ApJS..154...10F
Authors
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Fazio, G. G.
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Hora, J. L.
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Allen, L. E.
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Ashby, M. L. N.
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Barmby, P.
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Deutsch, L. K.
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Huang, J. -S.
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Kleiner, S.
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Marengo, M.
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Megeath, S. T.
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Melnick, G. J.
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Pahre, M. A.
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Patten, B. M.
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Polizotti, J.
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Smith, H. A.
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Taylor, R. S.
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Wang, Z.
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Willner, S. P.
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Hoffmann, W. F.
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Pipher, J. L.
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Forrest, W. J.
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McMurty, C. W.
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McCreight, C. R.
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McKelvey, M. E.
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McMurray, R. E.
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Koch, D. G.
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Moseley, S. H.
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Arendt, R. G.
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Mentzell, J. E.
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Marx, C. T.
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Losch, P.
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Mayman, P.
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Eichhorn, W.
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Krebs, D.
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Jhabvala, M.
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Gezari, D. Y.
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Fixsen, D. J.
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Flores, J.
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Shakoorzadeh, K.
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Jungo, R.
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Hakun, C.
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Workman, L.
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Karpati, G.
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Kichak, R.
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Whitley, R.
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Mann, S.
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Tollestrup, E. V.
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Eisenhardt, P.
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Stern, D.
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Gorjian, V.
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Bhattacharya, B.
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Carey, S.
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Nelson, B. O.
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Glaccum, W. J.
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Lacy, M.
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Lowrance, P. J.
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Laine, S.
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Reach, W. T.
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Stauffer, J. A.
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Surace, J. A.
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Wilson, G.
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Wright, E. L.
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Hoffman, A.
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Domingo, G.
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Cohen, M.
Abstract
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The Infrared Array Camera (IRAC) is one of three focal plane instruments on the Spitzer Space Telescope. IRAC is a four-channel camera that obtains simultaneous broadband images at 3.6, 4.5, 5.8, and 8.0 μm. Two nearly adjacent 5.2m×5.2m fields of view in the focal plane are viewed by the four channels in pairs (3.6 and 5.8 μm 4.5 and 8 μm). All four detector arrays in the camera are 256×256 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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