Atmospheric dynamics of hot giant planets and brown dwarfs

AP Showman, X Tan, V Parmentier - Space Science Reviews, 2020 - Springer
Groundbased and spacecraft telescopic observations, combined with an intensive modeling
effort, have greatly enhanced our understanding of hot giant planets and brown dwarfs over …

Global climate and atmospheric composition of the ultra-hot Jupiter WASP-103b from HST and Spitzer phase curve observations

L Kreidberg, MR Line, V Parmentier… - The Astronomical …, 2018 - iopscience.iop.org
We present thermal phase curve measurements for the hot Jupiter WASP-103b observed
with Hubble/WFC3 and Spitzer/IRAC. The phase curves have large amplitudes and …

Atmospheric characterization of the ultra-hot Jupiter MASCARA-2b/KELT-20b-Detection of CaII, FeII, NaI, and the Balmer series of H (Hα, Hβ, and Hγ) with high …

N Casasayas-Barris, E Pallé, F Yan, G Chen… - Astronomy & …, 2019 - aanda.org
Ultra-hot Jupiters orbit very close to their host star and consequently receive strong
irradiation, causing their atmospheric chemistry to be different from the common gas giants …

The cloudy shape of hot Jupiter thermal phase curves

V Parmentier, AP Showman… - Monthly Notices of the …, 2021 - academic.oup.com
Hot Jupiters have been predicted to have a strong day/night temperature contrast and a
hotspot shifted eastward of the substellar point. This was confirmed by numerous phase …

The atmospheric circulation of ultra-hot Jupiters

X Tan, TD Komacek - The Astrophysical Journal, 2019 - iopscience.iop.org
Recent observations of ultra-hot Jupiters with dayside temperatures in excess of 2500 K
have found evidence for new physical processes at play in their atmospheres. In this work …

Exploring the effects of active magnetic drag in a general circulation model of the ultrahot Jupiter WASP-76b

H Beltz, E Rauscher, MT Roman… - The Astronomical …, 2021 - iopscience.iop.org
Ultrahot Jupiters represent an exciting avenue for testing extreme physics and observing
atmospheric circulation regimes not found in our solar system. Their high temperatures …

Mass-loss rate and local thermodynamic state of the KELT-9 b thermosphere from the hydrogen Balmer series

A Wyttenbach, P Mollière, D Ehrenreich… - Astronomy & …, 2020 - aanda.org
KELT-9 b, the hottest known exoplanet, with T eq~ 4400 K, is the archetype of a new planet
class known as ultra-hot Jupiters. These exoplanets are presumed to have an atmosphere …

Modelling the day–night temperature variations of ultra-hot Jupiters: confronting non-grey general circulation models and observations

X Tan, TD Komacek, NE Batalha… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT Ultra-hot Jupiters (UHJs) are natural laboratories to study extreme physics in
planetary atmospheres and their rich observational data sets are yet to be confronted with …

Atmospheric regimes and trends on exoplanets and brown dwarfs

X Zhang - Research in Astronomy and Astrophysics, 2020 - iopscience.iop.org
A planetary atmosphere is the outer gas layer of a planet. Besides its scientific significance
among the first and most accessible planetary layers observed from space, it is closely …

Hot Jupiter diversity and the onset of TiO/VO revealed by a large grid of non-grey global circulation models

A Roth, V Parmentier… - Monthly Notices of the …, 2024 - academic.oup.com
The population of hot Jupiters is extremely diverse, with large variations in their irradiation,
period, gravity, and chemical composition. To understand the intrinsic planet diversity …