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Paper: Buried AGNs in Ultraluminous Infrared Galaxies
Volume: 357, The Spitzer Space Telescope: New Views of the Cosmos
Page: 226
Authors: Imanishi, M.
Abstract: We combine Spitzer IRS 5–35 μm low-resolution spectra of ultraluminous infrared galaxies (ULIRGs) with their ground-based 3–4 μm spectra, to search for the signatures of a strong dust temperature gradient. This method can be used to distinguish whether ULIRGs are powered primarily by starbursts or contain powerful active galactic nuclei (AGNs) deeply buried in dust.
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