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Hidden Quasars in Ultraluminous Infrared Galaxies
Published online by Cambridge University Press: 25 May 2016
Abstract
Many ultraluminous infrared galaxies (ULIRGs) are powered by quasars hidden in the center, but many are also powered by starbursts. A simply diagnostic diagram is proposed that can identify obscured quasars in ULIRGs by their high-ionization emission lines ([O III]λ5007/Hβ ≳ 5), and “warm” IR color (f25/f60 ≳ 0.25).
- Type
- II. Observational Properties of AGN and Related Objects
- Information
- Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 181 - 183
- Copyright
- Copyright © Astronomical Society of the Pacific 1999