Paper:	Luminous Buried AGNs in Nearby ULIRGs
Volume:	408, The Starburst−AGN Connection
Page:	41
Authors:	Imanishi, M.
Abstract:	We present the results of our systematic infrared 2.5–35 μm low-resolution spectroscopy of ultraluminous infrared galaxies (ULIRGs). We detected the signatures of optically-elusive, but intrinsically luminous, buried AGNs in a significant fraction of optically non-Seyfert ULIRGs. The energetic importance of buried AGN increases with increasing galaxy infrared luminosity, which may support the widely-proposed AGN feedback scenario as the origin of galaxy downsizing phenomenon.

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