descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 28 Sep 2018Embargo end date: 01 Jan 2018 English Publisher:Pleiades Publishing LtdJournal:Astronomy Reports, volume 62, pages 648-653 (issn: 1063-7729, eissn: 1562-6881,

Authors: Luca Fossati; V. I. Shematovich; Dmitry Bisikalo; Christian Möstl; A. A. Cherenkov;

doi: 10.1134/s1063772918100025 , 10.48550/arxiv.1807.02271

arXiv: http://arxiv.org/abs/1807.02271

The Influence of a Stellar Flare on the Dynamical State of the Atmosphere of the Exoplanet HD 209458b

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Abstract

By applying an one-dimensional aeronomic model of the upper atmosphere of the close-in giant planet HD 209458b, we study the reaction of the planetary atmosphere to an additional heating caused by the influence of a stellar flare. It is shown that the absorption of additional energy of the stellar flare in the extreme ultraviolet leads to local atmospheric heating, accompanied by formation of two shock waves, propagating in the atmosphere. We discuss possible observational manifestations of the shocks and feasibility of their detection.

7 pages, 5 figures, accepted by Astronomy Reports (2018, v. 62, No. 10)

Related Organizations

Russian Academy of Sciences
Russian Federation
Austrian Academy of Sciences
Austria
Physical Sciences Division
Russian Federation
Space Research Institute
Austria
Institute of Astronomy
Russian Federation

Keywords

Earth and Planetary Astrophysics (astro-ph.EP), FOS: Physical sciences, Astrophysics - Earth and Planetary Astrophysics

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