Aeronomy of the atmosphere of ultra-hot Jupiter Kelt9B taking into account the kinetics of hydrogen atom levels

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Abstract

Ultra-hot Jupiter Kelt9b impels to reconsider existing models of the upper atmospheres of hot exoplanets, which were previously developed using the example of G or M star systems such as HD209458b and GJ436b. The unique conditions of interaction between the radiation of an A-class star and the atmosphere necessitate kinetic modeling of excited levels of elements, primarily the hydrogen atom. For Kelt9b, the absorption was measures for several Balmer lines and lines of a number of heavy elements, the quantitative interpretation of which is an urgent task. In this work, for the first time, 3D modeling of the atmosphere of a planet with a close location of the Roche lobe has been implemented, taking into account the aeronomy and kinetics of excited hydrogen.

About the authors

I. F. Shaikhislamov

Institute of Laser Physics SB RAS; Institute of Astronomy, Russian Academy of Sciences; Novosibirsk State Technical University

Author for correspondence.
Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk; Moscow; Novosibirsk

I. B. Miroshnichenko

Institute of Laser Physics SB RAS; Novosibirsk State Technical University

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk; Novosibirsk

M. S. Rumenskikh

Institute of Laser Physics SB RAS; Institute of Astronomy, Russian Academy of Sciences; Novosibirsk State Technical University

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk; Moscow; Novosibirsk

A. V. Shepelin

Institute of Laser Physics SB RAS

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk

A. G. Berezutsky

Institute of Laser Physics SB RAS; Institute of Astronomy, Russian Academy of Sciences

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk; Moscow

S. S. Sharipov

Institute of Laser Physics SB RAS; Novosibirsk State Technical University

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk; Novosibirsk

M. P. Golubovsky

Institute of Laser Physics SB RAS

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk

A. A. Chibranov

Institute of Laser Physics SB RAS

Email: ShaikhislamovIldar@yandex.ru
Russian Federation, Novosibirsk

M. L. Khodachenko

Institute for Space Research

Email: ShaikhislamovIldar@yandex.ru
Austria, Graz

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