Transiting exoplanet atmospheres in the era of JWST

EMR Kempton, HA Knutson - Reviews in Mineralogy …, 2024 - pubs.geoscienceworld.org
The field of exoplanet atmospheric characterization has recently made considerable
advances with the advent of high-resolution spectroscopy from large ground-based …

Possible Hycean conditions in the sub-Neptune TOI-270 d

M Holmberg, N Madhusudhan - Astronomy & Astrophysics, 2024 - aanda.org
The JWST has ushered in a new era in atmospheric characterisations of temperate low-
mass exoplanets with recent detections of carbon-bearing molecules in the candidate …

Exoplanet Geology: What can we learn from current and future observations?

BJ Foley - Reviews in Mineralogy and Geochemistry, 2024 - pubs.geoscienceworld.org
OVERVIEW Nearly 30 years after the discovery of the first exoplanet around a main
sequence star, thousands of planets have now been confirmed. These discoveries have …

Bayesian Analysis for Remote Biosignature Identification on exoEarths (BARBIE). II. Using Grid-based Nested Sampling in Coronagraphy Observation Simulations for …

N Latouf, AM Mandell, GL Villanueva… - The Astronomical …, 2023 - iopscience.iop.org
We present the results for the detectability of the O 2 and O 3 molecular species in the
atmosphere of an Earth-like planet using reflected light at visible wavelengths. By …

[HTML][HTML] Earth as an Exoplanet. III. Using Empirical Thermal Emission Spectra as an Input for Atmospheric Retrieval of an Earth-twin Exoplanet

JN Mettler, BS Konrad, SP Quanz… - The Astrophysical …, 2024 - iopscience.iop.org
In this study, we treat Earth as an exoplanet and investigate our home planet by means of a
potential future mid-infrared space mission called the Large Interferometer For Exoplanets …

Detection of an Earth-sized exoplanet orbiting the nearby ultracool dwarf star SPECULOOS-3

M Gillon, PP Pedersen, BV Rackham, G Dransfield… - Nature …, 2024 - nature.com
Located at the bottom of the main sequence, ultracool dwarf stars are widespread in the
solar neighbourhood. Nevertheless, their extremely low luminosity has left their planetary …

Magnetic origin of the discrepancy between stellar limb-darkening models and observations

NM Kostogryz, AI Shapiro, V Witzke, RH Cameron… - Nature …, 2024 - nature.com
Stars appear darker at their limbs than at their disk centres because at the limb we are
viewing the higher and cooler layers of stellar photospheres. Yet, limb darkening derived …

Ground-breaking Exoplanet Science with the ANDES spectrograph at the ELT

E Palle, K Biazzo, E Bolmont, P Molliere… - arXiv preprint arXiv …, 2023 - arxiv.org
In the past decade the study of exoplanet atmospheres at high-spectral resolution, via
transmission/emission spectroscopy and cross-correlation techniques for atomic/molecular …

Exoplanet transit spectroscopy with JWST NIRSpec: diagnostics and homogeneous case study of WASP-39 b

S Sarkar, N Madhusudhan… - Monthly Notices of …, 2024 - academic.oup.com
The JWST has ushered in a new era of exoplanet transit spectroscopy. Among the JWST
instruments, the Near-Infrared Spectrograph (NIRSpec) has the most extensive set of …

A roadmap to the efficient and robust characterization of temperate terrestrial planet atmospheres with JWST

J de Wit, R Doyon, BV Rackham, O Lim… - arXiv preprint arXiv …, 2023 - arxiv.org
Ultra-cool dwarf stars are abundant, long-lived, and uniquely suited to enable the
atmospheric study of transiting terrestrial companions with JWST. Amongst them, the most …