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Inference of Magnetic Fields and Space Weather Hazards of Rocky Extrasolar Planets From a Dynamical Geophysical Model

Published online by Cambridge University Press:  20 January 2023

Varnana M. Kumar Open the ORCID record for Varnana M. Kumar [Opens in a new window] ,
Thara N. Sathyan ,
T.E. Girish ,
P.E. Eapen ,
Biju Longhinos  and
J. Binoy
Varnana M. Kumar
Affiliation:
Department of Physics Mar Ivanios College, Trivandrum 695015, India email: [email protected]
Thara N. Sathyan
Affiliation:
Department of Physics, Government College for Women, Trivandrum-695014, India emails: [email protected]; [email protected]
T.E. Girish
Affiliation:
Department of Physics, University College, Trivandrum-695034, India email: [email protected]
P.E. Eapen
Affiliation:
Department of Physics, S.G College, Kottarakkara, Kerala-691531, India email: [email protected]
Biju Longhinos
Affiliation:
Department of Geology, University College, Trivandrum-695034, India email: [email protected]
J. Binoy
Affiliation:
Department of Physics, Government College for Women, Trivandrum-695014, India emails: [email protected]; [email protected]
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Abstract

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In this paper we have inferred the magnetic shielding characteristics and space weather hazards of selected potentially habitable extrasolar planets using a dynamical geophysical model from calculations of internal heat, phases of volcanism and planetary magnetic moments. The space weather hazards on the extrasolar planet Kepler-452b orbiting around a Sun-like star are found to be a minimum which enhances the habitability probability of this planet.

Keywords

Extrasolar planetsVolcanismPlanetary magnetic fieldsSpace weather hazards
Type
Poster Paper
Information
Proceedings of the International Astronomical Union , Volume 16 , Symposium S362: The Predictive Power of Computational Astrophysics as a Discovery Tool , June 2020 , pp. 175 - 176
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

References

Durand-Manterola, 2009, Planetary and Space Science, 57(12), 1405–1411.CrossRefGoogle Scholar
Turcotte, D. L., and Schubert, G. 1982, Geodynamics, Wiley, New York, pp 450.Google Scholar
Varnana, et al. 2021(a), arXiv preprint arXiv:2105.05676 (2021).Google Scholar
Varnana, et al. 2021(b), Bulletin of the American Astronomical Society 53(3), 1117.Google Scholar