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Sloan Digital Sky Survey Quasars in the SWIRE ELAIS N1 Field: Properties and Spectral Energy Distributions

E. Hatziminaoglou·I. Perez-Fournon·M. Polletta·A. Afonso-Luis·A. Hernan-Caballero·F. M. Montenegro-Montes·C. Lonsdale·C. K. Xu·A. Franceschini·M. Rowan-Robinson·T. Babbedge·H. E. Smith·J. Surace·D. Shupe·F. Fang·D. Farrah·S. Oliver·E. A. Gonzalez-Solares·S. Serjeant
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Abstract

We present a mid-infrared analysis of 35 quasars with spectroscopic redshifts selected from the Spitzer Wide-area InfraRed Extragalactic Survey (SWIRE). We discuss their optical and mid-infrared (MIR) colors, and show that these quasars occupy well defined regions in MIR color-color space. We examine the issue of type-I AGN candidate selection in detail and propose new selection methods based on mid-IR colors. The available multi-band data allows us to construct two new, well-sampled quasar templates, covering wavelengths from the ultraviolet to the MIR.

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E. Hatziminaoglou, I. Perez-Fournon, M. Polletta, A. Afonso-Luis, A. Hernan-Caballero, F. M. Montenegro-Montes, C. Lonsdale, C. K. Xu, A. Franceschini, M. Rowan-Robinson, T. Babbedge, H. E. Smith, J. Surace, D. Shupe, F. Fang, D. Farrah, S. Oliver, E. A. Gonzalez-Solares, S. Serjeant. 2004-10-26. Sloan Digital Sky Survey Quasars in the SWIRE ELAIS N1 Field: Properties and Spectral Energy Distributions. https://arxiv.org/abs/astro-ph/0410620

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