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Effects of the environment on the properties of Seyfert galaxies

Published online by Cambridge University Press:  01 December 2004

Marcio A. G. Maia ,
Christopher N. A. Willmer ,
Bruno M. Rossetto  and
Rodolfo S. Machado
Marcio A. G. Maia
Affiliation:
Observatório do Valongo, Universidade Federal do Rio de Janeiro, Ladeira do Pedro Antônio 43, Rio de Janeiro – 20080-090, RJ, Brazil Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro – 20921-900, RJ, Brazil
Christopher N. A. Willmer
Affiliation:
Observatório Nacional, Rua Gal. José Cristino 77, Rio de Janeiro – 20921-900, RJ, Brazil Lick Observatory, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
Bruno M. Rossetto
Affiliation:
Observatório do Valongo, Universidade Federal do Rio de Janeiro, Ladeira do Pedro Antônio 43, Rio de Janeiro – 20080-090, RJ, Brazil
Rodolfo S. Machado
Affiliation:
Observatório do Valongo, Universidade Federal do Rio de Janeiro, Ladeira do Pedro Antônio 43, Rio de Janeiro – 20080-090, RJ, Brazil
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Abstract

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We identify 175 Seyfert galaxies from the Southern Sky Redshift Survey – SSRS2. We use the entire SSRS2 catalog to investigate the correlation between the presence of AGN with host environment. The AGN phenomenon is more strongly correlated with the internal host properties than with the external environment. In particular, we find that Seyferts reside in more luminous galaxies, and are twice as frequent in barred galaxies and systems showing signs of advanced merger condition, when compared to a control sample.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
ORAL CONTRIBUTIONS
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS222 , March 2004 , pp. 435 - 438
Copyright
© 2004 International Astronomical Union