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Related papers: Orbital Stability of Circumstellar Planets in Bina…

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Given the tendency of planets to form in multiples, and the observational evidence in support of the existence of potential planet-hosting stars in binaries or clusters, it is expected that extrasolar terrestrial planes are more likely to…

Earth and Planetary Astrophysics · Physics 2015-05-14 Nader Haghighipour

Despite the discovery of thousands of exoplanets in recent years, the number of known exoplanets in star clusters remains tiny. This may be a consequence of close stellar encounters perturbing the dynamical evolution of planetary systems in…

Earth and Planetary Astrophysics · Physics 2020-07-29 Katja Stock , Maxwell X. Cai , Rainer Spurzem , M. B. N. Kouwenhoven , Simon Portegies Zwart

Whether binaries can harbor potentially habitable planets depends on several factors including the physical properties and the orbital characteristics of the binary system. While the former determines the location of the habitable zone…

Earth and Planetary Astrophysics · Physics 2015-05-14 Nader Haghighipour , Rudolf Dvorak , Elke Pilat-Lohinger

Transit times around single stars can be described well by a linear ephemeris. However, transit times in circumbinary systems are influenced both by the gravitational perturbations and the orbital phase variations of the central binary…

Earth and Planetary Astrophysics · Physics 2015-06-22 Hui-Gen Liu , Ying Wang , Hui Zhang , Ji-Lin Zhou

Simulations of the effects of stellar fly-bys on planetary systems in star-forming regions show a strong dependence on subtle variations in the initial spatial and kinematic substructure of the regions. For similar stellar densities, the…

Solar and Stellar Astrophysics · Physics 2023-08-14 Richard J. Parker

The frequency of planets in binaries is an important issue in the field of extrasolar planet studies because of its relevance in the estimation of the global planet population of our galaxy and the clues it can give to our understanding of…

Earth and Planetary Astrophysics · Physics 2020-02-28 Mariangela Bonavita , Silvano Desidera

The dynamical influence of binary companions is expected to profoundly influence planetary systems. However, the difficulty of identifying planets in binary systems has left the magnitude of this effect uncertain; despite numerous…

Earth and Planetary Astrophysics · Physics 2016-06-29 Adam L. Kraus , Michael J. Ireland , Daniel Huber , Andrew W. Mann , Trent J. Dupuy

Exoplanet occurrence rates facilitate comparisons between observations of planets and theoretical models of planet formation. Despite their deductive power, exoplanet occurrence rates for half the stars in the sky are missing because…

Earth and Planetary Astrophysics · Physics 2025-11-05 Kendall Sullivan , Anne Dattilo , Natalie M. Batalha

The effect of the stellar flux on exoplanetary systems is becoming an increasingly important property as more planets are discovered in the Habitable Zone (HZ). The Kepler mission has recently uncovered circumbinary planets with relatively…

Earth and Planetary Astrophysics · Physics 2015-06-12 Stephen R. Kane , Natalie R. Hinkel

The stability of potential exoplanets in binary star systems remains a critical challenge in celestial mechanics. This study investigates the stability of a hypothetical Jupiter-mass planet in the Alpha Centauri AB system by drawing…

Earth and Planetary Astrophysics · Physics 2024-06-28 Tinglong Feng

We explore the impact of outer stellar companions on the occurrence rate of giant planets detected with radial velocities. We searched for stellar and planetary companions to a volume-limited sample of solar-type stars within 25 pc. Using…

Wide binary stars are important for testing alternative models of gravitation in the weak-field regime and understanding the statistical outcomes of dynamical interactions in the general Galactic field. The Gaia mission's collection of…

Solar and Stellar Astrophysics · Physics 2025-07-28 Valeri V. Makarov

The search for satellites around exoplanets represents one of the greatest challenges in advancing the characterization of planetary systems. Currently, we can only detect massive satellites, which resemble additional planetary companions…

Earth and Planetary Astrophysics · Physics 2023-11-06 C. Lazzoni , K. W. Rice , A. Zurlo , S. Hinkley , S. Desidera

Compact planetary systems with more than two planets can undergo orbital crossings from planet-planet perturbations. The time which the system remains stable without orbital crossings has an exponential dependence on the initial orbital…

Earth and Planetary Astrophysics · Physics 2023-02-15 David R. Rice , Jason H. Steffen

If it is commonly agreed that the presence of a (moderately) close stellar companion affects the formation and the dynamical evolution of giant planets, the frequency of giant planets residing in binary systems separated by less than 100 AU…

Earth and Planetary Astrophysics · Physics 2015-05-20 A. Eggenberger , S. Udry , G. Chauvin , T. Forveille , J. -L. Beuzit , A. -M. Lagrange , M. Mayor

Almost half of the stellar systems in the solar neighborhood are made up of multiple stars. In multiple-star systems, planet formation is under the dynamical influence of stellar companions, and the planet occurrence rate is expected to be…

Earth and Planetary Astrophysics · Physics 2015-06-22 Ji Wang , Debra A. Fischer , Ji-Wei Xie , David R. Ciardi

Binary and multiple systems constitute more than half of the total stellar population in the Solar neighborhood (Kiseleva-Eggleton and Eggleton 2001). Their frequent occurrence as well as the fact that more than 70 (Schneider et al. 2011)…

Earth and Planetary Astrophysics · Physics 2015-06-11 Siegfried Eggl , Elke Pilat-Lohinger , Barbara Funk , Nikolaos Georgakarakos , Nader Haghighipour

Observations of hierarchical triple star systems show that misalignments are common both between the angular momentum vector of the inner binary and the outer companion orbit, and between the outer binary orbit and a circumtriple gas disk.…

Earth and Planetary Astrophysics · Physics 2025-03-11 Stephen Lepp , Rebecca G. Martin , Stephen H. Lubow

The presence of strong large-scale stable magnetic fields in a significant portion of early-type stars, white dwarfs, and neutron stars is well established. Despite this, the origins of these fields remain unresolved, with leading…