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We calculate the tidal torque on a uniformly rotating 1 Msun star at various stages of core hydrogen burning by an orbiting companion. We apply the `traditional approximation' and solve the radial part of the tidal perturbations by matrix…

天体物理学 · 物理学 2009-11-07 G. J. Savonije , M. G. Witte

Tidal dissipation, which is directly linked to internal structure, is one of the key physical mechanisms that drive systems evolution and govern their architecture. A robust evaluation of its amplitude is thus needed to predict evolution…

地球与行星天体物理 · 物理学 2014-12-10 F. Remus , S. Mathis , J. -P. Zahn , V. Lainey

Although tidal dissipation in binary stars has been studied for over a century, theoretical predictions have yet to match the observed properties of binary populations. This work quantitatively examines the recent proposal of tidal…

太阳与恒星天体物理 · 物理学 2021-05-19 J. J. Zanazzi , Yanqin Wu

The evolution of exoplanetary systems with a close-in planet is ruled by the tides mutually raised on the two bodies and by the magnetic braking of the host star. This paper deals with consequences of this evolution and some features that…

地球与行星天体物理 · 物理学 2023-07-05 S. Ferraz-Mello , C. Beaugé

Gravitational tidal interactions drive long-term rotational and orbital evolution in planetary systems, in multiple (particularly close binary) star systems and in planetary moon systems. Dissipation of tidal flows in Earth's oceans is…

地球与行星天体物理 · 物理学 2025-04-16 Adrian J. Barker

We have analysed radial velocity measurements for known transiting exoplanets to study the empirical signature of tidal orbital evolution for close-in planets. Compared to standard eccentricity determination, our approach is modified to…

地球与行星天体物理 · 物理学 2015-06-04 Nawal Husnoo , Frédéric Pont , Tsevi Mazeh , Daniel Fabrycky , Guillaume Hébrard , François Bouchy , Avi Shporer

Eccentricity tides generate a torque that can drive an ocean planet towards asynchronous rotation states of equilibrium when enhanced by resonances associated with the oceanic tidal modes. We investigate the impact of eccentricity tides on…

地球与行星天体物理 · 物理学 2019-09-18 Pierre Auclair-Desrotour , Jérémy Leconte , Emeline Bolmont , Stéphane Mathis

We use N-body simulations to explore the influence of orbital eccentricity on the dynamical evolution of star clusters. Specifically we compare the mass loss rate, velocity dispersion, relaxation time, and the mass function of star clusters…

星系天体物理 · 物理学 2015-06-19 Jeremy J. Webb , Nathan Leigh , Alison Sills , William E. Harris , Jarrod R. Hurley

In the giant impact hypothesis for lunar origin, the Moon accreted from an equatorial circum-terrestrial disk; however the current lunar orbital inclination of 5 degrees requires a subsequent dynamical process that is still debated. In…

地球与行星天体物理 · 物理学 2018-02-12 Matija Ćuk , Douglas P. Hamilton , Simon J. Lock , Sarah T. Stewart

The planetary obliquity plays a significant role in determining physical properties of planetary surfaces and climate. As direct detection is constrained due to the present observation accuracy, kinetic theories are helpful to predict the…

地球与行星天体物理 · 物理学 2024-06-04 Xiumin Huang , Jianghui Ji , Shangfei Liu , Ruobing Dong , Su Wang

(Abbreviated) We extend the results of our 2021 paper concerning the problem of tidal evolution of a binary system with a rotating primary component with rotation axis arbitrarily inclined with respect to the orbital plane. Only the…

太阳与恒星天体物理 · 物理学 2023-09-13 Pavel Ivanov , John Papaloizou

We study global inertial-modes with the purpose of unraveling the role they play in the tidal dissipation process of Jupiter. For spheres of uniformly rotating, neutrally buoyant fluid, we show that the partial differential equation…

天体物理学 · 物理学 2009-11-10 Yanqin Wu

We study the orbital evolution of a three planet system with masses in the super-Earth regime resulting from the action of tides on the planets induced by the central star which cause orbital circularization. We consider systems either in…

地球与行星天体物理 · 物理学 2015-06-19 John C. B. Papaloizou

[Abridged] Tides may play an important role in determining the observed distributions of mass, orbital period, and eccentricity of the extrasolar planets. In addition, tidal interactions between giant planets in the solar system and their…

天体物理学 · 物理学 2009-11-10 G. I. Ogilvie , D. N. C. Lin

The semi-analytic theory of tidal shocks proves to be a powerful tool to study tidal interactions of star clusters and satellite galaxies with their massive hosts. New models of the globular cluster evolution employ a combination of…

天体物理学 · 物理学 2007-05-23 Oleg Y. Gnedin , Jeremiah P. Ostriker

We extend our previous work on the evolution of close binary systems with misaligned orbital and spin angular momenta resulting from non-dissipative tidal interaction to include all physical effects contributing to apsidal motion. In…

太阳与恒星天体物理 · 物理学 2023-09-13 P. B. Ivanov , J. C. B. Papaloizou

Since 1995, numerous close-in planets have been discovered around low-mass stars (M to A-type stars). These systems are susceptible to be tidally evolving, in particular the dissipation of the kinetic energy of tidal flows in the host star…

地球与行星天体物理 · 物理学 2016-11-28 Emeline Bolmont , Florian Gallet , Stéphane Mathis , Corinne Charbonnel , Louis Amard

We simulate the coupled stellar and tidal evolution of short-period binary stars (orbital period $P_{orb} \lsim$8 days) to investigate the orbital oscillations, instellation cycles, and orbital stability of circumbinary planets (CBPs). We…

地球与行星天体物理 · 物理学 2021-06-30 David E. Graham , David P. Fleming , Rory Barnes

We present a tidal model for treating the rotational evolution in the general three-body problem with arbitrary viscosities, in which all the masses are considered to be extended and all the tidal interactions between pairs are taken into…

地球与行星天体物理 · 物理学 2021-07-14 F. A. Zoppetti , H. Folonier , A. M. Leiva , C. Beaugé

Tidal friction has long been recognized to circularize the orbits of binary stars over time. In this study, we use the observed distribution of orbital eccentricities in populations of binary stars to probe tidal dissipation. In contrast to…

太阳与恒星天体物理 · 物理学 2022-09-26 Kaloyan M. Penev , Joshua A. Schussler