Results 1 to 10 of about 5,475 (154)
Atmospheric Dynamics of Hot Exoplanets [PDF]
Annual Review of Earth and Planetary Sciences, 2015 The characterization of exoplanetary atmospheres has come of age in the past decade, as astronomical techniques now allow for albedos, chemical abundances, temperature profiles and maps, rotation periods, and even wind speeds to be measured. Atmospheric dynamics sets the background state of density, temperature, and velocity that determines or ...
Heng, Kevin, Showman, Adam P.
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The Astrophysical Journal, 2023 Photochemical hazes are expected to form in hot Jupiter atmospheres and may explain the strong scattering slopes and muted spectral features observed in the transmission spectra of many hot Jupiters.
Maria E. Steinrueck +7 more
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Atmospheres on Nonsynchronized Eccentric-tilted Exoplanets. I. Dynamical Regimes [PDF]
The Astrophysical Journal, 2019 Abstract Relatively long-period, nonsynchronized planets—such as warm Jupiters—potentially retain the primordial rotation, eccentricity, and obliquity that might encapsulate information on planetary climate and formation processes. To date, there has not been a systematic study on climate patterns on these planets that will significantly
Kazumasa Ohno, Xi Zhang
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Atmospheric circulation of tidally locked exoplanets: A suite of benchmark tests for dynamical solvers [PDF]
Monthly Notices of the Royal Astronomical Society, 2010 ISSN:0035 ...
Heng, Kevin +2 more
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ATMOSPHERIC DYNAMICS OF TERRESTRIAL EXOPLANETS OVER A WIDE RANGE OF ORBITAL AND ATMOSPHERIC PARAMETERS [PDF]
The Astrophysical Journal, 2015 The recent discoveries of terrestrial exoplanets and super-Earths extending over a broad range of orbital and physical parameters suggest that these planets will span a wide range of climatic regimes. Characterization of the atmospheres of warm super-Earths has already begun and will be extended to smaller and more distant planets over the coming ...
Kaspi, Yohai, Showman, Adam P.
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Proceedings of the National Academy of Sciences, 2023 Nonlinearity in photochemical systems is known to allow self-sustained oscillations, but they have received little attention in studies of planetary atmospheres. Here, we present a unique, self-oscillatory solution for ozone chemistry of an exoplanet from a numerical simulation using a fully coupled, three-dimensional (3D) atmospheric chemistry ...
Yangcheng Luo +4 more
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DIRECT MEASURE OF RADIATIVE AND DYNAMICAL PROPERTIES OF AN EXOPLANET ATMOSPHERE [PDF]
The Astrophysical Journal Letters, 2016 ABSTRACT Two decades after the discovery of 51 Peg b, the formation processes and atmospheres of short-period gas giants remain poorly understood. Observations of eccentric systems provide key insights on those topics as they can illuminate how a planet’s atmosphere responds to changes in incident flux.
Julien de Wit +6 more
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Atmospheric circulation of brown dwarfs and directly imaged exoplanets driven by cloud radiative feedback: global and equatorial dynamics [PDF]
Monthly Notices of the Royal Astronomical Society, 2021 ABSTRACT Brown dwarfs, planetary-mass objects and directly imaged giant planets exhibit significant observational evidence for active atmospheric circulation, raising critical questions about mechanisms driving the circulation, its fundamental nature and time variability.
Tan, X, Showman, AP
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Effects of Bulk Composition on the Atmospheric Dynamics on Close-in Exoplanets [PDF]
The Astrophysical Journal, 2017 Abstract Super Earths and mini Neptunes likely have a wide range of atmospheric compositions, ranging from low molecular mass atmospheres of H2 to higher molecular atmospheres of water, CO2, N2, or other species. Here we systematically investigate the effects of atmospheric bulk compositions on temperature and wind distributions for ...
Zhang, Xi, Showman, Adam P.
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Exoplanet albedo spectra and colors as a function of planet phase, separation, and metallicity [PDF]
, 2010 First generation optical coronagraphic telescopes will obtain images of cool gas and ice giant exoplanets around nearby stars. The albedo spectra of exoplanets at planet-star separations larger than about 1 AU are dominated by reflected light to beyond 1
Ackerman +58 more
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