Turbulently generated magnetic fields in clusters of galaxies

Details Turbulently generated magnetic fields in clusters of galaxies Turbulently generated magnetic fields in clusters of galaxies

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...380..344g&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 380, Oct. 20, 1991, p. 344-350. Research supported by Tel Aviv University.

Astronomy and Astrophysics

Astrophysics

43

Galactic Clusters, Intergalactic Media, Interstellar Magnetic Fields, Turbulence Effects, Emission Spectra, Field Strength, Vortices, X Ray Spectra

Scientific paper

The typical scale and velocity of the dominant turbulent eddies excited by the motion of galaxies in clusters are determined from basic considerations which are valid if a steady state is attained. Hydrodynamics turbulence in the intracluster plasma presumably generates magnetic fields; the present estimates of the typical scale and mean strength of these fields in cluster cores are about 10 kpc and at most a few 10 exp -7 G. Implications of fields with these properties on the detectability of diffuse hard X-ray emission from clusters, and on transport properties in the intracluster space are discussed.

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