Exoplanetary atmospheres—chemistry, formation conditions, and habitability

N Madhusudhan, M Agúndez, JI Moses, Y Hu - Space science reviews, 2016 - Springer
Characterizing the atmospheres of extrasolar planets is the new frontier in exoplanetary
science. The last two decades of exoplanet discoveries have revealed that exoplanets are …

The JWST early-release science program for direct observations of exoplanetary systems II: A 1 to 20 μm spectrum of the planetary-mass companion VHS 1256–1257 …

BE Miles, BA Biller, P Patapis, K Worthen… - The Astrophysical …, 2023 - iopscience.iop.org
We present the highest fidelity spectrum to date of a planetary-mass object. VHS 1256 b is
a< 20 M Jup widely separated (∼ 8'', a= 150 au), young, planetary-mass companion that …

Retrieving scattering clouds and disequilibrium chemistry in the atmosphere of HR 8799e

P Mollière, T Stolker, S Lacour, G Otten… - Astronomy & …, 2020 - aanda.org
Context. Clouds are ubiquitous in exoplanet atmospheres and they represent a challenge
for the model interpretation of their spectra. When generating a large number of model …

Direct imaging and astrometric detection of a gas giant planet orbiting an accelerating star

T Currie, GM Brandt, TD Brandt, B Lacy, A Burrows… - Science, 2023 - science.org
Direct imaging of gas giant exoplanets provides information on their atmospheres and the
architectures of planetary systems. However, few planets have been detected in blind …

The JWST Early Release Science Program for direct observations of exoplanetary systems I: High-contrast imaging of the exoplanet HIP 65426 b from 2 to 16 μm

AL Carter, S Hinkley, J Kammerer… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract We present JWST Early Release Science coronagraphic observations of the super-
Jupiter exoplanet, HIP 65426b, with the Near-Infrared Camera (NIRCam) from 2 to 5 μm …

Detection of carbon monoxide and water absorption lines in an exoplanet atmosphere

QM Konopacky, TS Barman, BA Macintosh, C Marois - Science, 2013 - science.org
Determining the atmospheric structure and chemical composition of an exoplanet remains a
formidable goal. Fortunately, advancements in the study of exoplanets and their …

Aerosols in exoplanet atmospheres

P Gao, HR Wakeford, SE Moran, V Parmentier - 2021 - Wiley Online Library
Observations of exoplanet atmospheres have shown that aerosols, like in the solar system,
are common across a variety of temperatures and planet types. The formation and …

Population properties of brown dwarf analogs to exoplanets

JK Faherty, AR Riedel, KL Cruz, J Gagne… - The Astrophysical …, 2016 - iopscience.iop.org
We present a kinematic analysis of 152 low surface gravity M7-L8 dwarfs by adding 18 new
parallaxes (including 10 for comparative field objects), 38 new radial velocities, and 19 new …

The Hawaii infrared parallax program. II. Young ultracool field dwarfs

MC Liu, TJ Dupuy, KN Allers - The Astrophysical Journal, 2016 - iopscience.iop.org
We present a large, uniform analysis of young (≈ 10–150 Myr) ultracool dwarfs, based on
new high-precision infrared (IR) parallaxes for 68 objects. We find that low-gravity (vl-g) late …

The enhanced resolution imager and spectrograph for the VLT

R Davies, O Absil, G Agapito, AA Berbel… - Astronomy & …, 2023 - aanda.org
The Enhanced Resolution Imager and Spectrograph (ERIS) is an instrument that both
extends and enhances the fundamental diffraction limited imaging and spectroscopy …