Abstract
General magnetic fields of the order of one gauss are known to exist at the surfaces of the Earth and the Sun, and general fields of the order of a few thousand gauss have been observed in the reversing layers of a certain small proportion of stars. In sunspots, fields of order two thousand gauss are commonly observed. In addition, a magnetic field of order 10−4 gauss has been inferred to exist in the Crab nebula, and it is thought that comparable fields occur in many or all of the non-thermal radio sources of radio astronomy. The properties of cosmic rays, and the observed polarization in the light of distant stars, both seem to require the existence of a field of order 10−6 gauss throughout large parts of the galactic plane.
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References
Babcock, H. W.: A Catalogue of Magnetic Stars. Astrophys. Journ. Suppl. 3, 141 (1958).
Deutsch, A. J.: The Spectrum Variables of Type A. Publ. A.tronom. Soc. Pacific 68, 92 (1956).
Fowler, W. A., G. R. Burbidge and E. M. Burbidge: Nuclear Reactions and Element Synthesis in the Surfaces of Stars. Astrophys. Journ. Suppl. 2, 167 (1955).
Cowling, T. G.: Magnetohydrodynamics. New York and London: Interscience Publ. 1957.
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© 1958 Springer-Verlag OHG. Berlin · Göttingen · Heidelberg
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Deutsch, A.J. (1958). Magnetic Fields of Stars. In: Astrophysics II: Stellar Structure / Astrophysik II: Sternaufbau. Encyclopedia of Physics / Handbuch der Physik, vol 11 / 51. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-45908-5_8
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DOI: https://doi.org/10.1007/978-3-642-45908-5_8
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