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On the Origin of Relic Magnetic Fields of Solar-Type Stars

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Abstract

We study a scenario in which the relic magnetic field of the Sun was generated by a hydromagnetic dynamo realized at the early stage of the solar evolution. Then this field was captured by the growing radiative core in that epoch. A quantitative model for this process is proposed. According to the model calculations, the magnetic field in the radiative core is essentially nonaxisymmetric and has a magnitude of about a few tenths of a gauss. We propose an interpretation for the phenomenon of active longitudes based on the existence of a nonaxisymmetric relic magnetic field.

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  1. Institute for Solar-Terrestrial Physics of the Syberian Branch of the Russian Academy of Sciences, Irkutsk, Russia

    L. L. Kitchatinov

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  1. L. L. Kitchatinov
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Kitchatinov, L.L. On the Origin of Relic Magnetic Fields of Solar-Type Stars. Radiophysics and Quantum Electronics 44, 673–677 (2001). https://doi.org/10.1023/A:1013029907561

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