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          Institute: MPI für Astronomie     Collection: Publikationen_mpia     Display Documents

ID: 660986.0, MPI für Astronomie / Publikationen_mpia
Spectral energy distributions of Type 1 active galactic nuclei in the COSMOS Survey. I. The XMM-COSMOS sample
Authors:Elvis, M.; Hao, H.; Civano, F.; Brusa, M.; Salvato, M.; Bongiorno, A.; Capak, P.; Zamorani, G.; Comastri, A.; Jahnke, K.; Lusso, E.; Mainieri, V.; Trump, J. R.; Ho, L. C.; Aussel, H.; Cappelluti, N.; Cisternas, M.; Frayer, D.; Gilli, R.; Hasinger, G.; Huchra, J. P.; Impey, C. D.; Koekemoer, A. M.; Lanzuisi, G.; Le Floc'h, E.; Lilly, S. J.; Liu, Y.; McCarthy, P.; McCracken, H. J.; Merloni, A.; Roeser, H. -. J.; Sanders, D. B.; Sargent, M.; Scoville, N.; Schinnerer, E.; Schiminovich, D.; Silverman, J.; Taniguchi, Y.; Vignali, C.; Urry, C. M.; Zamojski, M. A.; Zatloukal, M.
Date of Publication (YYYY-MM-DD):2012
Journal Abbrev.:The Astrophysical Journal
Issue / Number:1
Start Page:id. 6
Audience:Not Specified
Abstract / Description:The "Cosmic Evolution Survey" (COSMOS) enables the study of the spectral energy distributions (SEDs) of active galactic nuclei (AGNs) because of the deep coverage and rich sampling of frequencies from X-ray to radio. Here we present an SED catalog of 413 X-ray (XMM-Newton)-selected type 1 (emission line FWHM > 2000 km s–1) AGNs with Magellan, SDSS, or VLT spectrum. The SEDs are corrected for Galactic extinction, broad emission line contributions, constrained variability, and host galaxy contribution. We present the mean SED and the dispersion SEDs after the above corrections in the rest-frame 1.4 GHz to 40 keV, and show examples of the variety of SEDs encountered. In the near-infrared to optical (rest frame ~8 μm-4000 Å), the photometry is complete for the whole sample and the mean SED is derived from detections only. Reddening and host galaxy contamination could account for a large fraction of the observed SED variety. The SEDs are all available online.
Free Keywords:galaxies: evolution; quasars: general; surveys
External Publication Status:published
Document Type:Article
Communicated by:N. N.
Affiliations:MPI für Astronomie
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