Results 101 to 110 of about 3,181,123 (208)
The Astronomical JournalAbstract Comparative studies of young and old exoplanet populations offer a glimpse into how planets may form and evolve with time. We present an occurrence rate study of short-period (<12 days) planets between 1.8 and 10 R ⊕ around 1374 FGK stars in nearby (200 pc) young clusters (<1 Gyr), utilizing data from the
Rachel B. Fernandes +21 more
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The Astrophysical JournalJWST has provided unprecedented access to ultracool brown dwarfs and has pushed the boundaries of directly imaging temperate giant planets. As we continue to push toward detecting sub-Saturn and Neptune-like planets, it is crucial to develop atmospheric ...
James Mang +9 more
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Interpolation and Synthesis of Sparse Samples in Exoplanet Atmospheric Modeling [PDF]
This paper highlights methods from geostatistics that are relevant to the interpretation, intercomparison, and synthesis of atmospheric model data, with a specific application to exoplanet atmospheric modeling.
Eric T. Wolf +7 more
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Numerical Performance of Correlated-k Distribution Method in Atmospheric Escape Simulation
The Astrophysical JournalAtmospheric escape is crucial to understanding the evolution of planets in and out of the solar system and to interpreting atmospheric observations. While hydrodynamic escape simulations have been actively developed incorporating detailed processes such ...
Yuichi Ito +2 more
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The Astrophysical JournalHydrodynamic atmospheric escape plays a central role in shaping the demographics of small, close-in exoplanets. Two mechanisms have been proposed to drive mass loss: photoevaporation, powered by UV irradiation, and core-powered mass loss, in which a ...
William Misener +3 more
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University of Arizona, Institute of Atmospheric Physics, Progress Report No. 2
, 1955 This title from the Institute of Atmospheric Physics Reports collection is made available by the Department of Hydrology & Atmospheric Sciences and the University Libraries, University of Arizona.
Braham, Roscoe R., Jr.
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Blowin’ in the Nonisothermal Wind: Core-powered Mass Loss with Hydrodynamic Radiative Transfer
The Astrophysical JournalThe mass loss rates of planets undergoing core-powered escape are usually modeled using an isothermal Parker-type wind at the equilibrium temperature, T _eq .
William Misener +3 more
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Astronomy & AstrophysicsThe formation and global spatial distribution of photochemically produced haze particles in exoplanet atmospheres remain key processes for understanding their observed properties. We aim to develop a flexible haze particle formation and evolution model suitable for time-dependent exoplanet atmosphere simulations.
Lee, Elspeth K. H. +4 more
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Coupled Planetary Interior and Tidal Evolution
The Astrophysical JournalWe 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 MESA stellar evolution code ...
Tim Hallatt, Sarah Millholland
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The Astrophysical JournalExoplanets with short orbit periods reside very close to their host stars. They transition very rapidly between different sectors of the circumstellar space environment along their orbit, leading to large variations of the magnetic field in the vicinity ...
Ofer Cohen +6 more
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