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The Strength and Structure of the Intracluster Magnetic Field in the Coma Cluster of Galaxies

Published online by Cambridge University Press:  19 July 2016

K.-T. Kim  and
P. P. Kronberg
K.-T. Kim
Affiliation:
Department of Astronomy, University of Toronto Toronto, Ontario M5S 1A7, Canada
P. P. Kronberg
Affiliation:
Department of Astronomy, University of Toronto Toronto, Ontario M5S 1A7, Canada

Abstract

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A new series of detailed observations of the Coma cluster of galaxies has been undertaken with the aim of better specifying the intracluster gas component throgh high dynamic range, combined-telescope observations of the radio halo emission from the cluster which detect both the cluster-scale and galaxy-scale emission. By combining these multi-frequency maps with a Faraday rotation probe experiment using cluster and background sources, and the published X-ray data, we have been able to estimate the intracluster magnetic field strength independently of the unusal assumption of equipartition. The result is approximately 2 microgauss and the tangling of the rms field occurs on an optical galaxy scale.

Type
9. Magnetic Fields in the Galactic Environment, Galaxy Clusters and Intergalactic Medium
Information
Symposium - International Astronomical Union , Volume 140: Galactic and Intergalactic Magnetic Fields , 1990 , pp. 483 - 485
Copyright
Copyright © Kluwer 1990 

References

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