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Nuclear and Extended Infrared Emission in Paired and Isolated Galaxies

Published online by Cambridge University Press:  12 April 2016

Roc M. Cutri
Roc M. Cutri*
Affiliation:
Steward Observatory University of Arizona

Extract

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The empirical connection between gravitational and collisional interactions among galaxies and enhanced activity has been well-documented. However, the physical mechanisms which are responsible for triggering the various forms of activity have not been determined. We present the preliminary results of a study of the nuclear and integrated infrared properties of galaxies chosen from the Catalog of Isolated Pairs of Galaxies in the Northern Hemisphere (Karachentsev 1972; hereafter CPG) and the Catalog of Isolated Galaxies (Karachentseva 1973; hereafter KI). Observations of these large, unbiased samples of paired and isolated galaxies are analyzed with the hope of identifying which aspects of galaxy encounters are most closely coupled to the presence of activity.

Type
V. Observations of Nuclear and Near-Nuclear Activity
Information
International Astronomical Union Colloquium , Volume 124: Paired and Interacting Galaxies , 1990 , pp. 415 - 419
Copyright
Copyright © NASA 1990

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