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The Nuclear Interstellar Medium of Ultraluminous Infrared Galaxies

Published online by Cambridge University Press:  25 May 2016

P.P. Van Der Werf
P.P. Van Der Werf*
Affiliation:
Leiden Observatory, P.O. Box 9513, NL - 2300 RA Leiden, The Netherlands (pvdwerf@strw.leidenuniv.nl)

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Ultraluminous infrared galaxies (ULIRGs) form the dominant component of the local galaxy population at the highest luminosities (e.g., Sanders & Mirabel 1996 and references therein). They are major mergers of gas-rich galaxies and are characterized by a molecular interstellar medium (ISM) that is concentrated in the central kpc, where it forms a dynamically significant, or perhaps dominant, component (Scoville et al., 1991). Sanders et al. (1988) proposed that ULIRGs might harbor, or evolve into, dust-enshrouded quasars, formed in their obscured centers.

Type
Nuclear Activity
Information
Symposium - International Astronomical Union , Volume 186: Galaxy Interactions at High and Low Redshift , 1999 , pp. 303 - 306
Copyright
Copyright © Kluwer 1999 

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