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Electromagnetic induction heating of planets orbiting late M dwarfs

Published online by Cambridge University Press:  13 January 2020

Kristina G. Kislyakova Open the ORCID record for Kristina G. Kislyakova [Opens in a new window]
Kristina G. Kislyakova*
Affiliation:
Department of Astrophysics, University of Vienna, Türkenschanzstrasse 17, A-1180, Vienna, Austria email: kristina.kislyakova@univie.ac.at Space Research Institute, Austrian Academy of Sciences, Schmiedlstrasse 6, A-8042 Graz, Austria
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Abstract

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We propose induction heating of planetary interiors as an energy source in the planetary mantles. Induction heating arises when a changing magnetic field induces currents in a conducting planetary mantle which then dissipate to heat the planet, mostly within an upper layer called the skin depth. This physical process can play a role in planetary interiors around strongly magnetized stars such as low mass M dwarfs with kG magnetic fields, which are common among these stars.

Keywords

planets and satellites: generalstars: magnetic fieldsstars: late-type
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 14 , Symposium S345: Origins: From the Protosun to the First Steps of Life , August 2018 , pp. 232 - 233
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© International Astronomical Union 2020

References

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