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Related papers: Patchy nightside clouds on ultra-hot Jupiters: Gen…

200 papers

Motivated by the work of Guillot (2010), we present a semi-analytical formalism for calculating the temperature-pressure profiles in hot Jovian atmospheres which includes the effects of clouds/hazes and collision-induced absorption. Using…

Earth and Planetary Astrophysics · Physics 2015-05-28 Kevin Heng , Wolfgang Hayek , Frédéric Pont , David K. Sing

The atmospheric circulation in the upper atmosphere of hot Jupiter planets is strongly influenced by the incoming stellar radiation. In this work we explore the results from a 3D atmospheric model and revisit the main processes driving the…

Earth and Planetary Astrophysics · Physics 2020-01-08 João M. Mendonça

We determine the observability in transmission of inhomogeneous cloud cover on the limbs of hot Jupiters through post processing a general circulation model to include cloud distributions computed using a cloud microphysics model. We find…

Earth and Planetary Astrophysics · Physics 2020-01-08 Diana Powell , Tom Louden , Laura Kreidberg , Xi Zhang , Peter Gao , Vivien Parmentier

Efforts to characterize extrasolar giant planet (EGP) atmospheres have so far emphasized planets within 0.05 AU of their stars. Despite this focus, known EGPs populate a continuum of orbital separations from canonical hot Jupiter values…

Earth and Planetary Astrophysics · Physics 2015-02-12 Adam P. Showman , Nikole K. Lewis , Jonathan J. Fortney

Hot Jupiters are Jupiter-sized exoplanets with close-in orbits, characterized by extreme day-night temperature contrasts due to synchronous rotation. These planets offer unique observational opportunities through transit photometry,…

Earth and Planetary Astrophysics · Physics 2025-10-08 W. Dietrich , J. Wicht

Global circulation models (GCMs) play an important role in contemporary investigations of exoplanet atmospheres. Different GCMs evolve various sets of dynamical equations which can result in obtaining different atmospheric properties…

Earth and Planetary Astrophysics · Physics 2023-08-02 Pascal A. Noti , Elspeth K. H. Lee , Russell Deitrick , Mark Hammond

Towering storms, swirling clouds, and vortices are the cloud tops manifestation of complex weather systems shaping the atmosphere of Jupiter. We use observations from Juno's MicroWave Radiometer (MWR), the Very Large Array (VLA) and the…

Earth and Planetary Astrophysics · Physics 2025-04-15 Chris Moeckel , Imke de Pater , Bob Sault , Bryan Butler

Global Circulation Models (GCMs) of atmospheric flows are now routinely used to interpret observational data on Hot Jupiters. Localized "equatorial $\beta$-plane" simulations by Fromang et al. (2016) have revealed that a barotropic…

Earth and Planetary Astrophysics · Physics 2020-03-04 Kristen Menou

We present global, three-dimensional numerical simulations of HD 189733b and HD 209458b that couple the atmospheric dynamics to a realistic representation of non-gray cloud-free radiative transfer. The model, which we call the Substellar…

Hot Jupiters are new laboratories for the physics of giant planet atmospheres. Subject to unusual forcing conditions, the circulation regime on these planets may be unlike anything known in the Solar System. Characterizing the atmospheric…

Astrophysics · Physics 2007-10-17 Adam P. Showman , Kristen Menou , James Y-K. Cho

Close-in warm Jupiters orbiting M dwarf stars are expected to exhibit diverse atmospheric chemistry, with clouds playing a key role in shaping their albedo, heat distribution, and spectral properties. We study WASP-80b, a warm Jupiter…

Next-generation space telescopes will observe the atmospheres of rocky planets orbiting nearby M-dwarfs. Understanding these observations will require well-developed theory in addition to numerical simulations. Here we present theoretical…

Earth and Planetary Astrophysics · Physics 2016-08-29 Daniel D. B. Koll , Dorian S. Abbot

Observations of exoplanet atmospheres have revealed the presence of cloud particles in their atmospheres. 3D modelling of cloud formation in atmospheres of extrasolar planets coupled to the atmospheric dynamics has long been a challenge. We…

Earth and Planetary Astrophysics · Physics 2021-06-04 E. K. H. Lee , I. Dobbs-Dixon , Ch. Helling , K. Bognar , P. Woitke

Understanding the deep atmospheric composition of Jupiter provides critical constraints on its formation and the chemical evolution of the solar nebula. In this study, we combine one-dimensional thermochemical kinetic-transport modeling…

Earth and Planetary Astrophysics · Physics 2025-12-09 Jeehyun Yang , Ali Hyder , Renyu Hu , Jonathan I. Lunine

We present global, three-dimensional numerical simulations of the atmospheric circulation on HD 209458b and HD 189733b and calculate the infrared spectra and light curves predicted by these simulations, which we compare with available…

Astrophysics · Physics 2009-11-13 Adam P. Showman , Curtis S. Cooper , Jonathan J. Fortney , Mark S. Marley

The elemental ratios of carbon, nitrogen, and oxygen in the atmospheres of hot Jupiters may hold clues to their formation locations in the protostellar disc. In this work, we adopt gas phase chemical abundances of C, N and O from several…

Earth and Planetary Astrophysics · Physics 2022-06-22 Spandan Dash , Liton Majumdar , Karen Willacy , Shang-Min Tsai , Neal Turner , P. B. Rimmer , Murthy S. Gudipati , Wladimir Lyra , Anil Bhardwaj

We present highlights from a large set of simulations of a hot Jupiter atmosphere, nominally based on HD 209458b, aimed at exploring both the evolution of the deep atmosphere, and the acceleration of the zonal flow or jet. We find the…

The study of exoplanet atmospheres showed large diversity compared to the planets in our solar system. Especially Jupiter type exoplanets orbiting their host star in close orbits, the so-called hot and ultra-hot Jupiters, have been studied…

Earth and Planetary Astrophysics · Physics 2021-02-03 Engin Keles

We present a three dimensional hot Jupiter model, extending from 200 bar to 1 mbar, using the Intermediate General Circulation Model from the University of Reading. Our horizontal spectral resolution is T31 (equivalent to a grid of 48x96),…

Earth and Planetary Astrophysics · Physics 2015-05-13 Emily Rauscher , Kristen Menou

Storms are emerging as key drivers in shaping hydrogen-dominated atmospheres. Trace gas condensation can suppress convection and disrupt the distribution of energy and material in hydrogen atmospheres. On Jupiter, the presence of water has…

Earth and Planetary Astrophysics · Physics 2025-02-25 Chris Moeckel , Huazhi Ge , Imke de Pater