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Buried AGNs and Starbursts in Luminous and Ultra-Luminous Infrared Galaxies

Published online by Cambridge University Press:  03 June 2010

João Rodrigo S. Leão ,
Patrícia Hepp  and
Claus Leitherer
João Rodrigo S. Leão
Affiliation:
Institute for Mathematics and Physics, Universidade Federal do Rio Grande – FURG C.P. 476, Av. Itália, Rio Grande – RS, Brazil Email: jrsleao@gmail.com
Patrícia Hepp
Affiliation:
Institute for Mathematics and Physics, Universidade Federal do Rio Grande – FURG C.P. 476, Av. Itália, Rio Grande – RS, Brazil Email: jrsleao@gmail.com
Claus Leitherer
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD 21218, USA Email: leitherer@stsci.edu
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Abstract

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We present the first results of a Spitzer Space Telescope survey of 28 LIRGs and ULIRGs. We used infrared emission lines to separeate AGN and starburst powered systems. We find strong evidence that the incidence of nuclear activity increases with infrared luminosity.

Keywords

galaxies: activegalaxies: starburstinfrared: galaxies
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. 116
Copyright
Copyright © International Astronomical Union 2010

References

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