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Related papers: Thermal-orbital evolution of Eris

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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…

Solar and Stellar Astrophysics · Physics 2023-09-13 P. B. Ivanov , J. C. B. Papaloizou

The tidal evolution of planets orbiting brown dwarfs (BDs) presents an interesting case study because BDs' terrestrial planet forming region is located extremely close-in. In fact, the habitable zones of BDs range from roughly 0.001 to 0.03…

Earth and Planetary Astrophysics · Physics 2015-05-30 Emeline Bolmont , Sean N. Raymond , Jérémy Leconte

One of the common approximations in long-term evolution studies of small bodies is the use of circular orbits averaging the actual eccentric ones, facilitating the coupling of processes with very different timescales, such as the orbital…

Earth and Planetary Astrophysics · Physics 2023-02-01 Anastasios Gkotsinas , Aurélie Guilbert-Lepoutre , Sean N. Raymond

Massive stars play a decisive role in the evolution of the Universe. In order to constrain their current state and structure, we need sufficiently complex models, constrained by astrometric, interferometric, and spectroscopic observations.…

Solar and Stellar Astrophysics · Physics 2026-01-14 Alžběta Oplištilová , Miroslav Brož , Christian A. Hummel , Petr Harmanec , Brad Barlow

Recently, a number of planets orbiting binary stars have been discovered by the Kepler space telescope. In a few systems the planets reside close to the dynamical stability limit. Due to the difficulty of forming planets in such close…

Earth and Planetary Astrophysics · Physics 2015-06-18 Wilhelm Kley , Nader Haghighipour

We present new results on the Eris/Dysnomia system including analysis of new images from the WFC3 instrument on the Hubble Space Telescope (HST). Seven HST orbits were awarded to program 15171 in January and February 2018, with the…

Earth and Planetary Astrophysics · Physics 2020-10-21 Bryan J. Holler , William M. Grundy , Marc W. Buie , Keith S. Noll

Much attention has been given to the climate dynamics and habitable boundaries of synchronously rotating planets around low mass stars. However, other rotational states are possible, particularly when higher eccentricity orbits can be…

Earth and Planetary Astrophysics · Physics 2021-11-17 Christopher M. Colose , Jacob Haqq-Misra , Eric T. Wolf , Anthony D. Del Genio , Rory Barnes , Michael J. Way , Reto Ruedy

In order to characterize giant exoplanets and better understand their origin, knowledge of how the planet's composition depends on its mass and stellar environment is required. In this work, we simulate the thermal evolution of gaseous…

Earth and Planetary Astrophysics · Physics 2020-11-18 Simon Müller , Maya Ben-Yami , Ravit Helled

The population of the Kuiper Belt within 50 AU of the Sun has likely been severely depleted by gravitational perturbations from the giant planets, particularly Neptune. The density of Kuiper Belt objects is expected to be two orders of…

Astrophysics · Physics 2009-10-31 R. Lynne Allen , Gary Bernstein , Renu Malhotra

It is known that near-Earth objects (NEOs) during their orbital evolution may often undergo close approaches to the Sun. Indeed it is estimated that up to ~70% of them end their orbital evolution colliding with the Sun. Starting from the…

Earth and Planetary Astrophysics · Physics 2015-05-13 S. Marchi , M. Delbo' , A. Morbidelli , P. Paolicchi , M. Lazzarin

The thermal evolution and interior structure of giant exoplanets are sensitive to the treatment of radiative opacity. At temperatures of ~2000 K, depletion of alkali metals can create a window of reduced opacity, potentially giving rise to…

Earth and Planetary Astrophysics · Physics 2026-03-27 Simon Müller , Ravit Helled

We present a new planetary structure/thermal evolution model, designed for use in problems that couple orbital dynamics with planetary structure. We first benchmark our structural/thermal evolution calculations against the \texttt{MESA}…

Earth and Planetary Astrophysics · Physics 2025-09-30 Tim Hallatt , Sarah Millholland

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

The Pluto-Charon system provides a broad variety of constraints on planetary formation, composition, chemistry, and evolution. Pluto was the first body to be discovered in what is now known as the Kuiper belt, its orbit ultimately becoming…

Earth and Planetary Astrophysics · Physics 2020-12-01 William B. McKinnon , Christopher R. Glein , Tanguy Bertrand , Alyssa R. Rhoden

Tidal interactions and planet evaporation processes impact the evolution of close-in star-planet systems. We study the impact of stellar rotation on these processes. We compute the time evolution of star-planet systems consisting of a…

We present a model of the growth of water ice on silicate grains in the circumstellar envelopes of Asymptotic Giant Branch (AGB) stars and Red Super Giants. We consider the growth of ice by gas grain collisions, the thermal evaporation of…

Astrophysics · Physics 2011-05-23 C. Dijkstra , C. Dominik , S. N. Hoogzaad , A. de Koter , M. Min

Systematic geomorphological mapping and detailed landform analysis using the highest resolution images obtained by the New Horizons spacecraft reveal the presence of a range of differentiable terrains on Charon, the largest moon of Pluto,…

Earth and Planetary Astrophysics · Physics 2022-09-29 Hanzhang Chen , An Yin

The process of forming a circumbinary planet is thought to be intimately related to the structure of the nascent circumbinary disc. It has been shown that the structure of a circumbinary disc depends strongly on 3-dimensional effects and on…

Earth and Planetary Astrophysics · Physics 2024-03-08 Arnaud Pierens , Richard P. Nelson

Non-resolved thermal infrared observations enable studies of thermal and physical properties of asteroid surfaces provided the shape and rotational properties of the target are well determined via thermo-physical models. We used…

Future instruments like NIRCam and MIRI on JWST or METIS at the ELT will be able to image exoplanets that are too faint for current direct imaging instruments. Evolutionary models predicting the planetary intrinsic luminosity as a function…

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