Luminous Buried AGNs in the Local Universe

Details Luminous Buried AGNs in the Local Universe Luminous Buried AGNs in the Local Universe

Oct 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aspc..373..612i&link_type=abstract

The Central Engine of Active Galactic Nuclei, ASP Conference Series, Vol. 373, proceedings of the conference held 16-21 October,

Physics

Scientific paper

We present infrared L-band (3-4 μm) nuclear spectra of a large sample of nearby ultraluminous infrared galaxies (ULIRGs). Using the 3.3 μm polycyclic aromatic hydrocarbon (PAH) emission and absorption features found at 3-4 μm, we search for signatures of optically elusive powerful active galactic nuclei (AGNs) deeply buried in dust in all directions. The signatures of powerful buried AGNs are found in about 50% of the observed ULIRGs classified optically as ``non-Seyferts.''

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