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The Radio Emission of Interacting Galaxies

Published online by Cambridge University Press:  14 August 2015

E. Hummel ,
J. M. van der Hulst ,
J. H. van Gorkom  and
C. G. Kotanyi
E. Hummel
Affiliation:
University of New Mexico, Albuquerque, NM, USA
J. M. van der Hulst
Affiliation:
University of Minnesota, Minneapolis, MN, USA
J. H. van Gorkom
Affiliation:
NRAO, VLA Program, Socorro, NM, USA
C. G. Kotanyi
Affiliation:
University of Groningen, The Netherlands

Extract

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Gravitational interaction is a straightforward interpretation of some of the peculiar optical morphologies shown by galaxies. There have also been attempts to study the effects of a gravitational interaction on the radio continuum emission. Statistically, the central radio sources (inner 1 kpc) in interacting spiral galaxies are about three times stronger than in isolated spirals; on the other hand, the intensity of the extended emission does not seem to be affected (Stocke, 1978; Hummel, 1981). Peculiar radio morphologies are not a general property of interacting galaxies, since in the complete sample studied by Hummel (1981) of spirals with a probability ≥0.8 of being physically related to their companion, less than 5% have a peculiar radio morphology.

Type
Research Article
Information
Symposium - International Astronomical Union , Volume 97: Extragalactic Radio Sources , 1982 , pp. 93 - 94
Copyright
Copyright © Reidel 1982 

References

Hummel, E., 1981, Astron. Astrophys. 96, 111.Google Scholar
Kotanyi, C.G., van Gorkom, J.H., Ekers, R.D., 1982, Astron. Astrophys., in press.Google Scholar
Stocke, J.T., 1978, Astron. J. 83, 348.Google Scholar
Stocke, J.T., Tifft, W.G., Kaftan-Kassim, M.A., 1978, Astron. J. 83, 332.Google Scholar