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    • Spitzer number counts of active galactic nuclei in the goods fields 

      Treister, Ezequiel; Urry, C. Megan; Van Duyne, Jeffrey; Dickinson, Mark; Chary, Ranga-Ram; Alexander, David M.; Bauer, Franz Erik; Natarajan, Priya; Lira Teillery, Paulina; Grogin, Norman A. (IOP PUBLISHING, 2006-04-01)
      We present mid-infrared observations of active galactic nuclei (AGNs) in the GOODS fields, performed with the Spitzer Space Telescope. These are the deepest infrared and X-ray fields to date and cover a total area of similar ...