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The role of interactions

Published online by Cambridge University Press:  01 December 2004

Henrique R. Schmitt
Henrique R. Schmitt
Affiliation:
National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA22903, USA email: hschmitt@nrao.edu
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Abstract

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Interactions between galaxies are suggested to be a mechanism responsible for feeding Active Galactic Nuclei (AGN). Theoretical models show that interactions are an efficient way to drive gas from the galaxy to the nucleus, however, the observational evidence on this subject is controversial. Here we review results in this field, discuss possible limitations of previous studies and the importance of dealing with selection effects. We also show that there is no significant difference in the percentage of low luminosity AGN and normal galaxies with companions, and discuss possible interpretations of this result.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
INVITED LECTURES
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS222 , March 2004 , pp. 395 - 400
Copyright
© 2004 International Astronomical Union