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In compact white dwarf (WD) binary systems (with periods ranging from minutes to hours), dynamical tides involving the excitation and dissipation of gravity waves play a dominant role in determining the physical conditions of the WDs prior…

Solar and Stellar Astrophysics · Physics 2015-05-30 Jim Fuller , Dong Lai

The validity of the classical formula for the rate of secular apsidal motion in close binaries is investigated for a sequence of models of a 5 solar mass star ranging from the last stages of the C12 -> N14 reaction to the phase where…

Astrophysics · Physics 2009-11-07 B. Willems , A. Claret

We discuss the role of dynamical tidal effects for inspiralling neutron star binaries, focussing on features that may be considered "unmodelled" in gravitational-wave searches. In order to cover the range of possibilities, we consider i)…

High Energy Astrophysical Phenomena · Physics 2018-01-31 N. Andersson , W. C. G. Ho

Over the last two decades, a large population of close-in planets has been detected around a wide variety of host stars. Such exoplanets are likely to undergo planetary migration through magnetic and tidal interactions. We aim to follow the…

Earth and Planetary Astrophysics · Physics 2021-06-23 Jérémy Ahuir , Antoine Strugarek , Allan-Sacha Brun , Stéphane Mathis

We study tidal interactions in white dwarf binaries in the limiting case of quasi-static tides. The formalism is valid for arbitrary orbital eccentricities and therefore applicable to white dwarf binaries in the Galactic disk as well as…

Solar and Stellar Astrophysics · Physics 2011-02-11 B. Willems , C. J. Deloye , V. Kalogera

The turbulent viscosity of convection is believed to circularize the orbits of close binary stars. When the tidal period is shorter than the turnover time of the largest eddies, turbulent viscosity is believed to be suppressed. The degree…

Astrophysics · Physics 2009-10-30 Jeremy Goodman , Siang Peng Oh

The surface angular velocity evolution of low-mass stars is now globally understood and the main physical mechanisms involved in it are observationally quite constrained. Additionally, recent observations showed anomalies in the rotation…

Earth and Planetary Astrophysics · Physics 2018-11-14 Florian Gallet , Emeline Bolmont , Jérôme Bouvier , Stéphane Mathis , Corinne Charbonnel

We describe new functionality in the GYRE stellar oscillation code for modeling tides in binary systems. Using a multipolar expansion in space and a Fourier-series expansion in time, we decompose the tidal potential into a superposition of…

Solar and Stellar Astrophysics · Physics 2023-03-15 Meng Sun , R. H. D. Townsend , Zhao Guo

Tidal dissipation in planets and stars is one of the key physical mechanisms driving the evolution of star-planet and planet-moon systems. Several signatures of its action are observed in planetary systems thanks to their orbital…

Earth and Planetary Astrophysics · Physics 2015-09-23 P. Auclair-Desrotour , S. Mathis , C. Le Poncin-Lafitte

Stellar deformations play a significant role in the dynamical evolution of stars in binary systems, impacting the tidal dissipation and the outcomes of mass transfer processes. The prevalent method for modelling the deformations and tidal…

Solar and Stellar Astrophysics · Physics 2024-01-08 L. Fellay , M. -A. Dupret , S. Rosu

We study tidal dissipation in models of rotating giant planets with masses in the range $0.1 - 10 M_\mathrm{J}$ throughout their evolution. Our models incorporate a frequency-dependent turbulent effective viscosity acting on equilibrium…

Earth and Planetary Astrophysics · Physics 2023-11-28 Yaroslav A. Lazovik , Adrian J. Barker , Nils B. de Vries , Aurélie Astoul

Semidiurnal atmospheric thermal tides are important for terrestrial exoplanets in the habitable zone of their host stars. With solid tides, they torque these planets, thus contributing to determine their rotation states as well as their…

Earth and Planetary Astrophysics · Physics 2017-10-20 Pierre Auclair-Desrotour , Stéphane Mathis , Jacques Laskar

We make publicly available an efficient, versatile, easy to use and extend tool for calculating the evolution of circular aligned planetary orbits due to the tidal dissipation in the host star. This is the first model to fully account for…

Earth and Planetary Astrophysics · Physics 2015-06-19 Kaloyan Penev , Michael Zhang , Brian Jackson

This paper reviews the rich corpus of observational evidence for tidal effects in short-period binaries. We review the evidence for ellipsoidal variability and for the observational manifestation of apsidal motion in eclipsing binaries.…

Astrophysics · Physics 2009-11-13 Tsevi Mazeh

Dynamical tidal deformations play a crucial role in the gravitational waves emitted by binary neutron star systems during their late inspiral. In this work, we systematically explore how relativistic (dynamical and dissipative) tidal…

General Relativity and Quantum Cosmology · Physics 2026-03-31 Abhishek Hegade K. R. , Yumu Yang , Mauricio Hippert , Jacquelyn Noronha-Hostler , Jorge Noronha , Nicolás Yunes

The evolution of a binary star system by various analytic approximations of mass transfer is discussed, with particular attention payed to the stability of these processes against runaway on the thermal and dynamical timescales of the mass…

Astrophysics · Physics 2009-09-25 G. E. Soberman , E. S. Phinney , E. P. J. van den Heuvel

Neutron star (NS) binaries formed dynamically may have significant eccentricities while emitting gravitational waves (GWs) in the LIGO/VIRGO band. We study tidal effects in such eccentric inspiralling NS binaries using a set of hybrid…

High Energy Astrophysical Phenomena · Physics 2020-10-21 Jie-Shuang Wang , Dong Lai

We determine the response of a uniformly rotating star to tidal perturbations due to a companion. General periodic orbits and parabolic flybys are considered. We evaluate energy and angular momentum exchange rates as a sum of contributions…

Solar and Stellar Astrophysics · Physics 2015-06-15 P. B. Ivanov , J. C. B. Papaloizou , S. V. Chernov

The tidal interactions of planets affect the stellar evolutionary status and the constraint of their physical parameters by gyrochronology. In this work, we incorporate the tidal interaction and magnetic braking of the stellar wind into…

Solar and Stellar Astrophysics · Physics 2024-04-23 Shuai-Shuai Guo

Since twenty years, a large population of close-in planets orbiting various classes of low-mass stars (from M to A-type stars) has been discovered. In such systems, the dissipation of the kinetic energy of tidal flows in the host star may…

Earth and Planetary Astrophysics · Physics 2016-06-22 Emeline Bolmont , Stéphane Mathis
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