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Kinetic modeling of auroral events at solar and extrasolar planets

Published online by Cambridge University Press:  20 January 2023

Valery I. Shematovich Open the ORCID record for Valery I. Shematovich [Opens in a new window]  and
Dmitry V. Bisikalo Open the ORCID record for Dmitry V. Bisikalo [Opens in a new window]
Valery I. Shematovich
Affiliation:
Institute of Astronomy of the RAS, 48 Pyatnitskaya str., 119017, Moscow, Russian Federation email: [email protected]
Dmitry V. Bisikalo
Affiliation:
Institute of Astronomy of the RAS, 48 Pyatnitskaya str., 119017, Moscow, Russian Federation email: [email protected]
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Abstract

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Auroral events are the prominent manifestation of solar/stellar forcing on planetary atmospheres and are closely related to the energy deposition by and evolution of planetary atmospheres. Observations of auroras are widely used to analyze the composition, structure, and chemistry of the atmosphere under study, as well as charged particle and energy fluxes that affect the atmosphere. Numerical kinetic Monte Carlo models had been developed allowing us to study the processes of precipitation of high-energy electrons, protons and hydrogen atoms into the planetary atmospheres on molecular level of description, taking into account the stochastic nature of collisional scattering at high kinetic energies. Such models are used to study auroras at both magnetized and non-magnetized planets in the Solar and extrasolar planetary systems. The current status of the kinetic model is illustrated in application to the auroral events at Mars.

Keywords

solar system: generalstars:planetary systemsradiation mechanisms: nonthermal
Type
Contributed 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. 152 - 157
Copyright
© The Author(s), 2023. Published by Cambridge University Press on behalf of International Astronomical Union

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