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Three-dimensional equatorial trapped waves excited by stellar isolation and the resulting equatorial superrotating jet in a vertical stratified atmosphere of a tidally-locked hot Jupiter are investigated. Taking the hot Jupiter HD 189733b…

Earth and Planetary Astrophysics · Physics 2015-06-19 Shang-Min Tsai , Ian Dobbs-Dixon , Pin-Gao Gu

At the cloud top level of Venus (65-70 km altitude) the atmosphere rotates 60 times faster than the underlying surface, a phenomenon known as superrotation. Whereas on Venus's dayside the cloud top motions are well determined and Venus…

Earth and Planetary Astrophysics · Physics 2018-02-13 J. Peralta , R. Hueso , A. Sánchez-Lavega , Y. J. Lee , A. García-Muñoz , T. Kouyama , H. Sagawa , T. M. Sato , G. Piccioni , S. Tellmann , T. Imamura , T. Satoh

The transition region between the North Equatorial Band (NEBn) and North Tropical Zone (NTrZ) in Jupiter is home to convective storms, systems of cyclones and anticyclones and atmospheric waves. A large anticyclone formed in the year 2006…

We present results regarding the dynamical meteorology of Jupiter's White Ovals at different points in their evolution. Starting from the era with three White Ovals FA, BC, and DE (Galileo), continuing to the post-merger epoch with only one…

Earth and Planetary Astrophysics · Physics 2013-01-28 David S. Choi , Adam P. Showman , Ashwin R. Vasavada

The irregular satellites of Jupiter produce dust particles through the impact of interplanetary micrometeoroids. In this paper, the dynamics of these particles is studied by both high-accuracy numerical simulation and analytical theory, in…

Earth and Planetary Astrophysics · Physics 2024-02-07 Zhenghan Chen , Kun Yang , Xiaodong Liu

Gap-opening planets can generate dust-trapping vortices that may explain some of the latest discoveries of high-contrast crescent-shaped dust asymmetries in transition discs. While planet-induced vortices were previously thought to have…

Earth and Planetary Astrophysics · Physics 2018-11-07 Michael Hammer , Paola Pinilla , Kaitlin M. Kratter , Min-Kai Lin

As the 7 December 2007 equinox of Uranus approached, ring and atmosphere observers produced a substantial collection of observations using the 10-m Keck telescope and the Hubble Space Telescope. Those spanning the period from 7 June 2007…

Earth and Planetary Astrophysics · Physics 2015-03-09 Lawrence Sromovsky , Patrick Fry , Heidi Hammel , William Ahue , Imke de Pater , Kathy Rages , Mark Showalter , Marcos van Dam

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

In hot and ultra-hot Jupiters, stellar irradiation is a primary driver of atmospheric circulation and the wave structures that sustain it. We aim to investigate how variations in radiative and dynamical timescales influence global flow…

Earth and Planetary Astrophysics · Physics 2025-07-02 C. Akın , K. Heng , J. M. Mendonça , R. Deitrick , L. Gkouvelis

The ongoing characterization of hot Jupiters has motivated a variety of circulation models of their atmospheres. Such models must be integrated starting from an assumed initial state, which is typically taken to be a wind-free, rest state.…

Earth and Planetary Astrophysics · Physics 2013-06-12 Beibei Liu , Adam P. Showman

We present a coupled 3-D atmospheric dynamics and radiative transfer model to predict the disk-integrated thermal emission spectra of transiting exoplanets in edge-on orbits. We calculate spectra at high resolution to examine the extent to…

Earth and Planetary Astrophysics · Physics 2017-12-27 Jisheng Zhang , Eliza Kempton , Emily Rauscher

Three-dimensional (3-D) dynamical models of hot Jupiter atmospheres predict very strong wind speeds. For tidally locked hot Jupiters, winds at high altitude in the planet's atmosphere advect heat from the day side to the cooler night side…

Earth and Planetary Astrophysics · Physics 2015-05-30 Eliza Miller-Ricci Kempton , Emily Rauscher

The advent of high-resolution spectroscopy as a method for exoplanet atmospheric characterization has expanded our capability to study non-transiting planets, increasing the number of planets accessible for observation. Many of the most…

Earth and Planetary Astrophysics · Physics 2021-12-22 Isaac Malsky , Emily Rauscher , Eliza M. R. Kempton , Michael Roman , Deryl Long , Caleb K. Harada

Hot Jupiters have proven themselves to be a rich class of exoplanets which test our theories of planetary evolution and atmospheric dynamics under extreme conditions. Here, we present three-dimensional magnetohydrodynamic simulations and…

Earth and Planetary Astrophysics · Physics 2017-09-21 T. M. Rogers , J. N. McElwaine

Jupiter, the fascinating largest planet in the solar system, has been visited by nine spacecraft, which have collected a significant amount of data about Jovian properties. In this paper, we show that one type of the in situ measurements on…

High Energy Physics - Phenomenology · Physics 2022-11-23 Lingfeng Li , JiJi Fan

More than two dozen short-period Jupiter-mass gas giant planets have been discovered around nearby solar-type stars in recent years, several of which undergo transits, making them ideal for the detection and characterization of their…

Astrophysics · Physics 2009-11-13 Ian Dobbs-Dixon , D. N. C. Lin

We fit an isothermal oscillatory density model of Jupiter's protoplanetary disk to the present-day Galilean and other nearby satellites and we determine the radial scale length of the disk, the equation of state and the central density of…

Earth and Planetary Astrophysics · Physics 2019-03-05 D. M. Christodoulou , D. Kazanas

Planetary-scale waves at the Venusian cloud-top cause periodic variations in both winds and ultraviolet (UV) brightness. While the wave candidates are the 4-day Kelvin wave and 5-day Rossby wave with zonal wavenumber 1, their temporal…

We study the spatial and temporal variability in Jupiter's atmosphere by comparing longitude-resolved brightness temperature maps from the Very Large Array (VLA) radio observatory and NASA's Juno spacecraft Microwave Radiometer (MWR) taken…

Earth and Planetary Astrophysics · Physics 2024-12-31 Joanna Hardesty , Chris Moeckel , Imke de Pater

In anticipation of new observational results for Jupiter's axial moment of inertia and gravitational zonal harmonic coefficients from the forthcoming Juno orbiter, we present a number of preliminary Jupiter interior models. We combine…

Earth and Planetary Astrophysics · Physics 2016-04-06 W. B. Hubbard , B. Militzer