Abstract
The change in the orbital period of the system WASP-46 due to quasi-static and dynamical tidal interactions is investigated. Various dissipation mechanisms are studied. In the case of quasi-static tides, dissipation is assumed to occur due to turbulent viscosity, while in the case of dynamical tides, two limiting cases are considered: the regime of moderately large dissipation and the regime of weak dissipation due to radiative viscosity. The change in the orbital period of WASP-46 is calculated and compared with observations. The regime of moderately large dissipation is shown to describe best the observations.
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Original Russian Text © S.V. Chernov, 2018, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2018, Vol. 154, No. 1, pp. 85–91.
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Chernov, S.V. Tidal Dissipation in the System WASP-46. J. Exp. Theor. Phys. 127, 73–78 (2018). https://doi.org/10.1134/S1063776118070038
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DOI: https://doi.org/10.1134/S1063776118070038