Ultraluminous Infrared Galaxies and the Origin of Nuclear Activity

Details Ultraluminous Infrared Galaxies and the Origin of Nuclear Activity Ultraluminous Infrared Galaxies and the Origin of Nuclear Activity

Apr 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aps..apr..h803v&link_type=abstract

American Physical Society, APS/AAPT Joint April Meeting, April 18-21, 1998 Columbus, Ohio, abstract #H8.03

Physics

Scientific paper

The IRAS satellite uncovered a class of ultraluminous infrared galaxies which have the luminosity of quasars and show obvious signs of nuclear activity and advanced tidal interactions. These galaxies may represent an important stage in the evolution of a wide variety of extragalactic objects including powerful nuclear starbursts, radio galaxies, and quasars. They may also represent a primary stage in the formation of elliptical galaxy cores via the merger of two gas-rich spirals. A review of the most recent results on ultraluminous infrared galaxies is presented. These new data are used to quantify star formation and AGN activity in these objects, and to test the model where ultraluminous infrared galaxies represent a critical phase in the evolution of powerful starbursts into optically selected quasars.

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