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Photometry using the Infrared Array Camera on the Spitzer Space Telescope

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arxiv 0809.3411 v1 pith:7EMZ2K25 submitted 2008-09-19 astro-ph

Photometry using the Infrared Array Camera on the Spitzer Space Telescope

Joseph L. Hora , Sean Carey , Jason Surace , Massimo Marengo , Patrick Lowrance , William J. Glaccum , Mark Lacy , William T. Reach
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William F. Hoffmann Pauline Barmby S. P. Willner Giovanni G. Fazio S. Thomas Megeath Lori E. Allen Bidushi Bhattacharya Manuel Quijada
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keywords correctionsiracappliedarraycamerainfraredphotometryspace
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We present several corrections for point source photometry to be applied to data from the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. These corrections are necessary because of characteristics of the IRAC arrays and optics and the way the instrument is calibrated in-flight. When these corrections are applied, it is possible to achieve a ~2% relative photometric accuracy for sources of adequate signal to noise in an IRAC image.

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