Thermosphere and exosphere of hot Jupiters [PDF]
Proceedings of the International Astronomical Union, 2008 AbstractHere we describe the observations and the resulting constraints on the upper atmosphere (thermosphere and exosphere) of hot Jupiters. In particular, observations and theoretical modeling of hot-Jupiter evaporation are described. The observations allowed the discovery that the planet orbiting HD209458 has an extended atmosphere of escaping ...
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INFLATING HOT JUPITERS WITH OHMIC DISSIPATION [PDF]
The Astrophysical Journal, 2010 We present a new, magnetohydrodynamic mechanism for inflation of close-in giant extrasolar planets. The idea behind the mechanism is that current, which is induced through interaction of atmospheric winds and the planetary magnetic field, results in significant Ohmic dissipation of energy in the interior.
Batygin, Konstantin, Stevenson, David J.
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Grain Alignment and Rotational Disruption by Radiative Torques in Exoplanet Atmospheres
The Astrophysical Journal, 2023 Dust clouds are ubiquitous in the atmospheres of hot Jupiters and affect their observable properties. The alignment of dust grains in the clouds and resulting dust polarization provide a promising way to study the magnetic fields of exoplanets. Moreover,
Thiem Hoang, Alex Lazarian
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Clouds in Three-dimensional Models of Hot Jupiters over a Wide Range of Temperatures. I. Thermal Structures and Broadband Phase-curve Predictions [PDF]
Astrophysical Journal, 2020 Using a general circulation model (GCM), we investigate trends in simulated hot Jupiter atmospheres for a range of irradiation temperatures (1500–4000 K), surface gravities (10 and 40 m s−2), and cloud conditions.
M. Roman +5 more
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Evidence for the Tidal Destruction of Hot Jupiters by Subgiant Stars [PDF]
, 2013 Tidal transfer of angular momentum is expected to cause hot Jupiters to spiral into their host stars. Although the timescale for orbital decay is very uncertain, it should be faster for systems with larger and more evolved stars.
Schlaufman, Kevin C., Winn, Joshua N.
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Chemical fingerprints of hot Jupiter planet formation [PDF]
, 2017 The current paradigm to explain the presence of Jupiters with small orbital periods (P $
Eiroa, C., Maldonado, J., Villaver, E.
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Searching for reflected light from $\tau$ Bootis b with high-resolution ground-based spectroscopy: Approaching the $10^{-5}$ contrast barrier [PDF]
, 2017 It is challenging to measure the starlight reflected from exoplanets because of the extreme contrast with their host stars. For hot Jupiters, this contrast is in the range of $10^{-6}$ to $10^{-4}$, depending on their albedo, radius and orbital distance.
Hoeijmakers, H. J. +2 more
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Tidal Response and Shape of Hot Jupiters [PDF]
The Astrophysical Journal, 2021 Abstract We study the response of hot Jupiters to a static tidal perturbation using the concentric MacLaurin spheroid method. For strongly irradiated planets, we first performed radiative transfer calculations to relate the planet’s equilibrium temperature, T eq, to its interior entropy.
Daniel Thorngren +4 more
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Multi-Component MHD Model of Hot Jupiter Envelopes
Universe, 2021 A numerical model description of a hot Jupiter extended envelope based on the approximation of multi-component magnetic hydrodynamics is presented. The main attention is focused on the problem of implementing the completed MHD stellar wind model.
Andrey Zhilkin, Dmitri Bisikalo
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ARES. II. Characterizing the Hot Jupiters WASP-127 b, WASP-79 b, and WASP-62b with the Hubble Space Telescope [PDF]
Astronomical Journal, 2020 This paper presents the atmospheric characterization of three large, gaseous planets: WASP-127 b, WASP-79 b, and WASP-62 b. We analyzed spectroscopic data obtained with the G141 grism (1.088–1.68 μm) of the Wide Field Camera 3 on board the Hubble Space ...
N. Skaf +26 more
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