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Magnetic fields in clusters of galaxies

✍ Scribed by L. Feretti; M. Johnston-Hollitt

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
358 KB
Volume
48
Category
Article
ISSN
1387-6473

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✦ Synopsis

An important area of study of cosmic magnetic fields is on the largest scales, those of clusters of galaxies. In the last decade it has become clear that the intra-cluster medium in clusters of galaxies is magnetized and that magnetic fields play a critical role in the cluster formation and evolution. The observational evidence for the existence of cluster magnetic fields is obtained by the diffuse cluster-wide synchrotron radio emission and from rotation measure studies of extragalactic radio sources located within or behind the clusters. A significant breakthrough in the knowledge of the cluster magnetic fields will be reached through the SKA, owing to its capabilities, in particular the deep sensitivity and the polarization purity.

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