Configuration of large-scale magnetic fields in spiral galaxies

Details Configuration of large-scale magnetic fields in spiral galaxies Configuration of large-scale magnetic fields in spiral galaxies

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...213...19k&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 213, no. 1-2, April 1989, p. 19-28.

Astronomy and Astrophysics

Astrophysics

34

Interstellar Magnetic Fields, Magnetic Field Configurations, Spiral Galaxies, Disk Galaxies, Dynamo Theory, Faraday Effect, Galactic Rotation, Plasma Turbulence, Spatial Distribution

Scientific paper

The thin-disk galactic dynamo model of Baryshnikova et al. (1987) is used to obtain magnetic lines for the axisymmetric m = 0 and nonaxisymmetric m = 1 dynamo modes. Measurements of pitch angles for magnetic lines in the outer parts of galaxies are employed to determine the ratio of the energy-range scale of interstellar turbulence to the thickness of the ionized gaseous disk. Possible explanations for the presence of bisymmetric fields among the observed magnetic structures are considered.

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