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Activity in Interacting and Binary Galaxies

Published online by Cambridge University Press:  25 May 2016

Yervant Terzian
Yervant Terzian*
Affiliation:
Department of Astronomy and National Astronomy and Ionosphere Center, Cornell University, Ithaca, NY, 14853

Abstract

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This is a short review of recent studies and reports on interacting galaxies and binary galaxies. Early studies were primarily made at optical wavelengths, but recent ones have concentrated on observing HI at λ21 cm. Application of the Virial Theorem to these observations indicates M/L values of the binary systems of ≲50, suggesting the existence of moderate halos around spiral galaxies.

Type
IV. AGN Related Phenomena
Information
Symposium - International Astronomical Union , Volume 194: Activity in Galaxies and Related Phenomena , 1999 , pp. 341 - 346
Copyright
Copyright © Astronomical Society of the Pacific 1999 

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