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Nuclear Activity of Galaxies within Groups

Published online by Cambridge University Press:  04 August 2017

K.J. Fricke
Affiliation:
Universitäts-Sternwarte Göttingen, Geismarlandstr. 11, D-3400 Göttingen F.R.G.
W. Kollatschny
Affiliation:
Universitäts-Sternwarte Göttingen, Geismarlandstr. 11, D-3400 Göttingen F.R.G.

Abstract

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Results from a spectroscopic survey of groups around Seyfert galaxies and of an appropriate control sample are reported. The groups are ≲1 Mpc across. A nuclear spectroscopic “activity class” is assigned to each group member. The active types show a peaked distribution around the Seyfert galaxy and are confined to a critical radius ~300 kpc while the nonactive members are uniformly distributed over the whole extent of the groups. These results are briefly discussed.

Type
VI. Environmental Aspects of Nuclear Activity
Copyright
Copyright © Reidel 1987 

References

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