English
Related papers

Related papers: Interacting Binaries with Eccentric Orbits II. Sec…

200 papers

This paper studies the long term evolution of planetary systems containing short-period planets, including the effects of tidal circularization, secular excitation of eccentricity by companion planets, and stellar damping. For planetary…

Astrophysics · Physics 2008-11-26 Fred C. Adams , Gregory Laughlin

Instabilities and strong dynamical interactions between multiple giant planets have been proposed as a possible explanation for the surprising orbital properties of extrasolar planetary systems. In particular, dynamical instabilities seem…

Astrophysics · Physics 2007-05-23 Eric B. Ford , Frederic A. Rasio , Kenneth Yu

We construct evolutionary tracks for massive black hole binaries (MBHBs) embedded in a surrounding distribution of stars. The dynamics of the binary is evolved by taking into account the erosion of the central stellar cusp bound to the…

Cosmology and Nongalactic Astrophysics · Physics 2011-08-03 A. Sesana

More than half of all stars are part of binaries, and many form in a common circumbinary disc. The interaction with the binary shapes the disc to feature a large eccentric inner cavity and spirals in the inner disc. The shape of the…

Earth and Planetary Astrophysics · Physics 2025-01-29 Anna B. T. Penzlin , Richard A. Booth , Richard P. Nelson , Christoph M. Schäfer , Wilhelm Kley

We present a systematic comparison between the tidal secular evolution timescales predicted by the direct numerical method and those given by the commonly used semi-analytic prescriptions implemented in 1-D hydrostatic binary evolution…

Solar and Stellar Astrophysics · Physics 2025-12-16 Meng Sun , Hongbo Xia , Seth Gossage , Vicky Kalogera , Jifeng Liu , Kyle Akira Rocha , Richard H. D. Townsend , Emmanouil Zapartas

It is shown herein that planets with eccentric orbits are more likely to transit than circularly orbiting planets with the same semimajor axis by a factor of (1-e^2)^{-1}. If the orbital parameters of discovered transiting planets are…

Astrophysics · Physics 2009-11-13 Jason W. Barnes

We summarize the channels formation of neutron stars (NS) in single or binary evolution and the classic recycling scenario by which mass accretion by a donor companion accelerates old NS to millisecond pulsars (MSP). We consider the…

High Energy Astrophysical Phenomena · Physics 2020-11-24 Francesca D'Antona , Marco Tailo

In this work, we investigate the dynamical effects of a sequence of close encounters over 200 Myr varying in the interval of 10000 -- 100000 au between a binary star system and passing stars with masses ranging from 0.1$M_{\odot}$ to…

Earth and Planetary Astrophysics · Physics 2023-06-14 David Bancelin , Thomas Nordlander , Elke Pilat-Lohinger , Birgit Loibnegger

Active galactic nuclei (AGN) have been proposed as environments that can facilitate the capture of extreme-mass-ratio binaries and accelerate their inspiral beyond the rate expected from gravitational wave emission alone. In this work, we…

Astrophysics of Galaxies · Physics 2026-03-25 Thomas F. M. Spieksma , Enrico Cannizzaro

Mass transfer in binary systems is the key process in the formation of various classes of objects, including merging binary black holes (BBHs) and neutron stars. Orbital evolution during mass transfer depends on how much mass is accreted…

Binary evolution is indispensable in stellar evolution to understand the formation and evolution of most peculiar and energetic objects, such as binary compact objects, Type Ia supernovae, X-ray binaries, cataclysmic variables, blue…

Solar and Stellar Astrophysics · Physics 2020-07-15 Hongwei Ge , Ronald F Webbink , Zhanwen Han

We extend the results of planetary formation synthesis by computing the long-term evolution of synthetic systems from the clearing of the gas disk into the dynamical evolution phase. We use the symplectic integrator SyMBA to numerically…

Earth and Planetary Astrophysics · Physics 2015-06-24 S. Pfyffer , Y. Alibert , W. Benz , D. Swoboda

We study binary stars moving through a uniform dark matter background and experiencing dynamical friction. The centre-of-mass motion of the pairs is taken into account. We derive formulas and timescales for the secular evolution of the…

Astrophysics of Galaxies · Physics 2026-02-25 Nicolas Esser

We study the evolution of the eccentricity of an eccentric orbit with spinning components. We develop a prescription to express the evolving eccentricity in terms of reference eccentricity and frequency. For that purpose we considered the…

General Relativity and Quantum Cosmology · Physics 2026-01-27 Sayak Datta

Most extrasolar planets currently known were discovered by means of an indirect method that measures the stellar wobble caused by the planet. We previously studied a triple system composed of a star and a nearby binary on circular coplanar…

Earth and Planetary Astrophysics · Physics 2013-08-09 M. H. M. Morais , A. C. M. Correia

A self-consistent, adiabatic model for the {\it long-time} behaviour of tidal capture binaries is presented. It is shown that most capture orbits behave chaotically, with the eccentricity following a quasi-random walk between the values of…

Astrophysics · Physics 2007-05-23 Rosemary A. Mardling

We performed populations synthesis calculations of single stars and binaries and show that binary evolution is extremely important for Galactic astronomy. We review several binary evolution models and conclude that they give quite different…

Astrophysics · Physics 2007-05-23 S. F. Portegies Zwart , L. R. Yungelson , G. Nelemans

We study the dynamics of a solar-type star orbiting around a black hole binary (BHB) in a nearly coplanar system. We present a novel effect that can prompt a growth and significant oscillations of the eccentricity of the stellar orbit when…

High Energy Astrophysical Phenomena · Physics 2022-12-21 Bin Liu , Daniel J. D'Orazio , Alejandro Vigna-Gómez , Johan Samsing

We investigate the evolution of interacting binaries where the donor star is a low-mass giant more massive than its companion. It is usual to assume that such systems undergo common-envelope (CE) evolution, where the orbital energy is used…

Astrophysics · Physics 2008-11-26 Martin E. Beer , Lynnette M. Dray , Andrew R. King , Graham A. Wynn

Sub-Jupiter classed circumbinary planets discovered in close-in binary systems have orbits just beyond the dynamically unstable region, which is determined by the eccentricity and mass ratio of the host binary stars. These planets are…

Earth and Planetary Astrophysics · Physics 2019-08-14 Akihiro Yamanaka , Takanori Sasaki