Results 21 to 30 of about 908,915 (272)

Superflares and “Hot-Jupiters” [PDF]

open access: bronzeSymposium - International Astronomical Union, 2004
Schaefer, King & Deliyannis (2000) reported the discovery of powerful stellar flares on single, solar-type stars. The outbursts on these F8-G8 stars were 102–107 times more powerful than the largest solar flares. The observed properties are similar to the magnetic reconnection driven events of RS CVn binaries.
Eric P. Rubenstein
openalex   +2 more sources

TRANSITIONS IN THE CLOUD COMPOSITION OF HOT JUPITERS [PDF]

open access: yesThe Astrophysical Journal, 2016
Over a large range of equilibrium temperatures, clouds shape the transmission spectrum of hot Jupiter atmospheres, yet their composition remains unknown.
V. Parmentier   +4 more
semanticscholar   +7 more sources

Two Classes of Hot Jupiters [PDF]

open access: bronzeThe Astrophysical Journal, 2007
We identify two classes of transiting planet, based on their equilibrium temperatures and Safronov numbers. We examine various possible explanations for the dichotomy. It may reflect the influence of planet or planetesimal scattering in determining when planetary migration stops.
Brad M. S. Hansen, Travis Barman
openalex   +6 more sources

Radiative equilibrium models of “hot Jupiters” [PDF]

open access: bronzeSymposium - International Astronomical Union, 2004
We present an extension of our equilibrium model, initially applied to 51 Peg b (Goukenleuque et al. 2000), to other irradiated extrasolar planets with different orbital distances (up to 1 AU). The model yields the mean atmospheric thermal structure and predicts the reflected spectral flux as well as the thermal flux emerging from such planets, in the ...
C. Goukenleuque   +2 more
openalex   +3 more sources

Runaway Migration and the Formation of Hot Jupiters [PDF]

open access: bronzeThe Astrophysical Journal, 2003
Accepted for publication in ApJ.
F. Masset, J. C. B. Papaloizou
openalex   +5 more sources

Photochemical Hazes Dramatically Alter Temperature Structure and Atmospheric Circulation in 3D Simulations of Hot Jupiters [PDF]

open access: yesAstrophysical 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.
M. Steinrueck   +7 more
semanticscholar   +1 more source

Orbital Decay of Hot Jupiters due to Weakly Nonlinear Tidal Dissipation [PDF]

open access: yesAstrophysical Journal, 2023
We study tidal dissipation in hot Jupiter host stars due to the nonlinear damping of tidally driven g-modes, extending the calculations of Essick & Weinberg to a wide variety of stellar host types.
N. Weinberg   +5 more
semanticscholar   +1 more source

TESS Transit Timing of Hundreds of Hot Jupiters [PDF]

open access: yesAstrophysical Journal Supplement Series, 2022
We provide a database of transit times and updated ephemerides for 382 planets based on data from the NASA Transiting Exoplanet Survey Satellite (TESS) and previously reported transit times, which were scraped from the literature in a semiautomated ...
Ekaterina S. Ivshina, J. Winn
semanticscholar   +1 more source

Origins of Hot Jupiters from the Stellar Obliquity Distribution [PDF]

open access: yesAstrophysical Journal Letters, 2022
The obliquity of a star, or the angle between its spin axis and the average orbit normal of its companion planets, provides a unique constraint on that system’s evolutionary history. Unlike the solar system, where the Sun’s equator is nearly aligned with
M. Rice, Songhu Wang, G. Laughlin
semanticscholar   +1 more source

Patchy Nightside Clouds on Ultra-hot Jupiters: General Circulation Model Simulations with Radiatively Active Cloud Tracers [PDF]

open access: yesAstrophysical Journal, 2022
The atmospheres of ultra-hot Jupiters have been characterized in detail through recent phase curve and low- and high-resolution emission and transmission spectroscopic observations.
T. Komacek   +3 more
semanticscholar   +1 more source

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