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A Complete Census of AGN and Their Hosts from Optical Surveys?

Published online by Cambridge University Press:  03 June 2010

Vivienne Wild ,
Timothy Heckman ,
Paule Sonnentrucker ,
Brent Groves ,
Lee Armus ,
David Schiminovich ,
Benjamin Johnson ,
Lucimara Martins  and
Stephanie LaMassa
Vivienne Wild
Affiliation:
Institut d'Astrophysique de Paris, 75014 Paris, France. Email: wild@iap.fr
Timothy Heckman
Affiliation:
Dept. of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA
Paule Sonnentrucker
Affiliation:
Dept. of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA
Brent Groves
Affiliation:
Leiden Observatory, Leiden University, P.O. Box 9513, 2300 RA Leiden, The Netherlands
Lee Armus
Affiliation:
Caltech, Spitzer Science Center, MS 314-6, Pasadena, CA 91125, USA
David Schiminovich
Affiliation:
Dept. of Astronomy, Columbia University, New York, NY10027, USA
Benjamin Johnson
Affiliation:
Institute of Astronomy, Madingley Road, Cambridge, CB3 0HA, UK
Lucimara Martins
Affiliation:
NAT-Universidade Cruzeirodo Sul, Sao Paulo, Brazil
Stephanie LaMassa
Affiliation:
Dept. of Physics and Astronomy, Johns Hopkins University, Baltimore, MD 21218, USA
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Abstract

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Large optical surveys provide an unprecedsCeented census of galaxies in the local Universe, forming an invaluable framework into which more detailed studies of objects can be placed. But how useful are optical surveys for understanding the co-evolution of black holes and galaxies, given their limited wavelength coverage, selection criteria, and depth? Here we present work-in-progress comparing optical and mid-IR diagnostics of three “unusual” low-z populations (luminous Seyferts, dusty Balmer-strong AGN, ULIRGs) with a set of ordinary star-forming galaxies from the SDSS. We address the questions “how well do the mid-IR and optical diagnostics of star formation and AGN strength agree?” and “to what extent do optical surveys allow us to include extreme, dusty, morphologically disturbed galaxies in our ‘complete’ census of BH-galaxy co-evolution?

Keywords

infrared: galaxiesgalaxies: activegalaxies: starburstgalaxies: ISM
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Symposium S267: Co-Evolution of Central Black Holes and Galaxies , August 2009 , pp. 96 - 102
Copyright
Copyright © International Astronomical Union 2010

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