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Related papers: Pulsation Frequencies and Modes of Giant Exoplanet…

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The gravitational harmonics measured from Juno and Cassini spacecrafts help us to specify the internal structure and chemical elements of Jupiter and Saturn, respectively. However, we still do not know much about the impact of rotation on…

Earth and Planetary Astrophysics · Physics 2022-02-16 Wei Zhong , Cong Yu

Past studies have revealed the dependency of the disc parameters (mass, radius, viscosity, grain fragmentation velocity, dust-to-gas ratio) on the formation of giant planets, where more massive discs seem beneficial for giant planet…

Earth and Planetary Astrophysics · Physics 2026-03-18 Angie Daniela Guzmán Franco , Sofia Savvidou , Bertram Bitsch

The growing number of exoplanet discoveries and advances in machine learning techniques have opened new avenues for exploring and understanding the characteristics of worlds beyond our Solar System. In this study, we employ efficient…

Earth and Planetary Astrophysics · Physics 2023-08-29 Mahdiyar Mousavi-Sadr , Davood M. Jassur , Ghassem Gozaliasl

Seismology represents a unique method to probe the interiors of giant planets. Recently, Saturn's f-modes have been indirectly observed in its rings, and there is strong evidence for the detection of Jupiter global modes by means of…

Earth and Planetary Astrophysics · Physics 2016-10-04 D. Durante , T. Guillot , L. Iess

The detection of radio emission from an exoplanet would constitute the best way to determine its magnetic field. Indeed, the presence of a planetary magnetic field is a necessary condition for radio emission via the Cyclotron Maser…

Earth and Planetary Astrophysics · Physics 2023-12-08 Jean-Mathias Grießmeier , N. V. Erkaev , C. Weber , H. Lammer , V. A. Ivanov , P. Odert

Tidal dissipation in planetary interiors is one of the key physical mechanisms that drive the evolution of star-planet and planet-moon systems. New constraints are now obtained both in the Solar and exoplanetary systems. Tidal dissipation…

Earth and Planetary Astrophysics · Physics 2014-07-02 Mathieu Guenel , Stéphane Mathis , Françoise Remus

Recent developments of dynamic x-ray characterization experiments of dense matter are reviewed, with particular emphasis on conditions relevant to interiors of terrestrial and gas giant planets. These studies include characterization of…

Earth and Planetary Astrophysics · Physics 2015-05-13 J. J. Fortney , S. H. Glenzer , M. Koenig , B. Militzer , D. Saumon , D. Valencia

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

Like the magnetised planets in our Solar System, magnetised exoplanets should emit strongly at radio wavelengths. Radio emission directly traces the planetary magnetic fields and radio detections can place constraints on the physical…

Earth and Planetary Astrophysics · Physics 2018-05-03 C. R. Lynch , Tara Murphy , E. Lenc , D. L. Kaplan

Determination of an exoplanet's mass is a key to understanding its basic properties, including its potential for supporting life. To date, mass constraints for exoplanets are predominantly based on radial velocity (RV) measurements, which…

Earth and Planetary Astrophysics · Physics 2014-01-27 Julien de Wit , Sara Seager

We examine the uncertainties in current planetary models and we quantify their impact on the planet cooling histories and mass-radius relationships. These uncertainties include (i) the differences between the various equations of state used…

Astrophysics · Physics 2014-11-18 I. Baraffe , G. Chabrier , T. Barman

We analyze time-resolved spontaneous emission from excitons confined in self-assembled $\mathrm{InAs}$ quantum dots placed at various distances to a semiconductor-air interface. The modification of the local density of optical states due to…

Other Condensed Matter · Physics 2010-11-05 Søren Stobbe , Jeppe Johansen , Philip Trøst Kristensen , Jørn M. Hvam , Peter Lodahl

We present a broad suite of models of extrasolar giant planets (EGP's), ranging in mass from 0.3 to 15 Jupiter masses. The models predict luminosity (both reflected and emitted) as a function of age, mass, deuterium abundance and distance…

Astrophysics · Physics 2009-10-28 D. Saumon , W. B. Hubbard , A. Burrows , T. Guillot , J. I. Lunine , G. Chabrier

Direct measurements of the spectra of extrasolar giant planets are the keys to determining their physical and chemical nature. The goal of theory is to provide the tools and context with which such data are understood. It is only by putting…

Earth and Planetary Astrophysics · Physics 2009-10-05 Adam Burrows , Glenn Orton

With the progress of detection techniques, the number of low-mass and small-size exoplanets is increasing rapidly. However their characteristics and formation mechanisms are not yet fully understood. The metallicity of the host star is a…

Earth and Planetary Astrophysics · Physics 2016-05-25 Bastien Courcol , François Bouchy , Magali Deleuil

Gas accretion onto the circumplanetary disks and the source region of accreting gas are important to reveal dust accretion that leads to satellite formation around giant planets. We performed local three-dimensional high-resolution…

Earth and Planetary Astrophysics · Physics 2022-08-24 Natsuho Maeda , Keiji Ohtsuki , Takayuki Tanigawa , Masahiro N. Machida , Ryo Suetsugu

As of today, hundreds of hot Jupiters have been found, yet the inflated radii of a large fraction of them remain unexplained. It is still unclear whether a single inflation mechanism is enough to explain the entire distribution of radii, or…

Earth and Planetary Astrophysics · Physics 2018-08-22 Marko Sestovic , Brice-Olivier Demory , Didier Queloz

When a star is described as a spectral class G2V, we know its approximate mass, temperature, age, and size. At more than 5,700 exoplanets discovered, it is a natural developmental step to establish a classification for them, such as for…

Earth and Planetary Astrophysics · Physics 2024-09-17 E. Plávalová , A. Rosaev

X-rays and extreme ultraviolet radiation impacting on a gas produce a variety of effects that, depending on the electron content, may provide a significant heating of the illuminated region. In a planetary atmosphere of solar composition,…

Earth and Planetary Astrophysics · Physics 2019-04-24 Daniele Locci , Cesare Cecchi Pestellini , Giuseppina Micela

A giant planet embedded in a protoplanetary disk opens a gap by tidal interaction, and properties of the gap strongly depend on the planetary mass and disk parameters. Many numerical simulations of this process have been conducted, but…

Earth and Planetary Astrophysics · Physics 2022-02-02 Yuki A. Tanaka , Kazuhiro D. Kanagawa , Hidekazu Tanaka , Takayuki Tanigawa