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Extensions of Brown Hamiltonian-III. Applications to irregular satellites of giant planets
Hanlun Lei, Xiaoyan Leng, Evgeni Grishin
Irregular satellites, orbiting at large distances from their host planets, are subject to strong solar perturbations that render long-term orbital predictions particularly challeng…
Sub-Snowline Formation of Gas-Giant Planets in Binary Systems
Ilay Kamai, Hagai B. Perets, Jakob Stegmann +1
Gas-giant planets are thought to require conditions beyond the water snow line to build solid cores efficiently. In close binary star systems, the companion's gravity additionally…
Hot Jupiters in Old Wide-Binary Systems
Evgeni Grishin, Jet Winter, Jaime A. Alvarado-Montes
Hot Jupiters (HJs) are giant planets with orbital periods shorter than days, found around - of Sun-like stars. Their origins remain debated despite decades of s…
Extensions of Brown Hamiltonian-II. Analytical study on the modified von Zeipel-Lidov-Kozai effects
Hanlun Lei, Evgeni Grishin
In triple systems of weak hierarchies, nonlinear perturbations arising from the periodic oscillations associated with the inner and outer binaries play a crucial role in shaping th…
Extensions of Brown Hamiltonian-I. A high-accuracy model for von Zeipel-Lidov-Kozai oscillations
Hanlun Lei, Evgeni Grishin
Triple systems with low hierarchical structure are common throughout the Universe, including examples such as high-altitude lunar satellites influenced by the Earth, planetary sate…
Planet formation and long-term stability in a very eccentric stellar binary
Jakob Stegmann, Evgeni Grishin, Cole Johnston +4
Planets orbiting one of the two stars in a binary are vulnerable to gravitational perturbations from the other star. Particularly, highly eccentric companion stars risk disrupting…