Stellar obliquities in exoplanetary systems

SH Albrecht, RI Dawson, JN Winn - Publications of the …, 2022 - iopscience.iop.org
The rotation of a star and the revolutions of its planets are not necessarily aligned. This
article reviews the measurement techniques, key findings, and theoretical interpretations …

Nightside condensation of iron in an ultrahot giant exoplanet

D Ehrenreich, C Lovis, R Allart, MR Zapatero Osorio… - Nature, 2020 - nature.com
Ultrahot giant exoplanets receive thousands of times Earth's insolation 1, 2. Their high-
temperature atmospheres (greater than 2,000 kelvin) are ideal laboratories for studying …

Evidence for disequilibrium chemistry from vertical mixing in hot Jupiter atmospheres-A comprehensive survey of transiting close-in gas giant exoplanets with warm …

C Baxter, JM Désert, SM Tsai, KO Todorov… - Astronomy & …, 2021 - aanda.org
Aims. We present a large atmospheric study of 49 gas giant exoplanets using infrared
transmission photometry with Spitzer/IRAC at 3.6 and 4.5 μm. Methods. We uniformly …

[HTML][HTML] From thermal dissociation to condensation in the atmospheres of ultra hot Jupiters: WASP-121b in context

V Parmentier, MR Line, JL Bean, M Mansfield… - Astronomy & …, 2018 - aanda.org
Context. A new class of exoplanets has emerged: the ultra hot Jupiters, the hottest close-in
gas giants. The majority of them have weaker-than-expected spectral features in the 1.1− 1.7 …

Aerosol composition of hot giant exoplanets dominated by silicates and hydrocarbon hazes

P Gao, DP Thorngren, EKH Lee, JJ Fortney… - Nature …, 2020 - nature.com
Aerosols are common in the atmospheres of exoplanets across a wide swath of
temperatures, masses and ages,–. These aerosols strongly impact observations of …

A population study of gaseous exoplanets

A Tsiaras, IP Waldmann, T Zingales… - The Astronomical …, 2018 - iopscience.iop.org
We present here the analysis of 30 gaseous extrasolar planets, with temperatures between
600 and 2400 K and radii between 0.35 and 1.9 R Jup. The quality of the HST/WFC3 …

Five key exoplanet questions answered via the analysis of 25 hot-Jupiter atmospheres in eclipse

Q Changeat, B Edwards, AF Al-Refaie… - The Astrophysical …, 2022 - iopscience.iop.org
Population studies of exoplanets are key to unlocking their statistical properties. So far, the
inferred properties have been mostly limited to planetary, orbital, and stellar parameters …

Detection of Fe i in the atmosphere of the ultra-hot Jupiter WASP-121b, and a new likelihood-based approach for Doppler-resolved spectroscopy

NP Gibson, S Merritt, SK Nugroho… - Monthly Notices of …, 2020 - academic.oup.com
High-resolution Doppler-resolved spectroscopy has opened up a new window into the
atmospheres of both transiting and non-transiting exoplanets. Here, we present VLT/UVES …

An ultrahot gas-giant exoplanet with a stratosphere

TM Evans, DK Sing, T Kataria, J Goyal, N Nikolov… - Nature, 2017 - nature.com
Infrared radiation emitted from a planet contains information about the chemical composition
and vertical temperature profile of its atmosphere,,. If upper layers are cooler than lower …

[HTML][HTML] Atmospheric Rossiter–McLaughlin effect and transmission spectroscopy of WASP-121b with ESPRESSO

F Borsa, R Allart, N Casasayas-Barris… - Astronomy & …, 2021 - aanda.org
Context. Ultra-hot Jupiters are excellent laboratories for the study of exoplanetary
atmospheres. WASP-121b is one of the most studied; many recent analyses of its …