Carbon-bearing molecules in a possible Hycean atmosphere

N Madhusudhan, S Sarkar… - The Astrophysical …, 2023 - iopscience.iop.org
The search for habitable environments and biomarkers in exoplanetary atmospheres is the
holy grail of exoplanet science. The detection of atmospheric signatures of habitable Earth …

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 …

[HTML][HTML] The 2024 release of the ExoMol database: molecular line lists for exoplanet and other hot atmospheres

J Tennyson, SN Yurchenko, J Zhang… - Journal of Quantitative …, 2024 - Elsevier
The ExoMol database (www. exomol. com) provides molecular data for spectroscopic
studies of hot atmospheres. These data are widely used to model atmospheres of …

A broadband thermal emission spectrum of the ultra-hot Jupiter WASP-18b

LP Coulombe, B Benneke, R Challener, AAA Piette… - Nature, 2023 - nature.com
Close-in giant exoplanets with temperatures greater than 2,000 K ('ultra-hot Jupiters') have
been the subject of extensive efforts to determine their atmospheric properties using thermal …

Atmospheric reconnaissance of TRAPPIST-1 b with JWST/NIRISS: evidence for strong stellar contamination in the transmission spectra

O Lim, B Benneke, R Doyon… - The Astrophysical …, 2023 - iopscience.iop.org
TRAPPIST-1 is a nearby system of seven Earth-sized, temperate, rocky exoplanets transiting
a Jupiter-sized M8. 5V star, ideally suited for in-depth atmospheric studies. Each TRAPPIST …

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 …

Near-infrared transmission spectroscopy of HAT-P-18 b with NIRISS: Disentangling planetary and stellar features in the era of JWST

M Fournier-Tondreau, RJ MacDonald… - Monthly Notices of …, 2024 - academic.oup.com
ABSTRACT The JWST Early Release Observations (ERO) included a NIRISS/SOSS (0.6–
2.8 μ m) transit of the∼ 850 K Saturn-mass exoplanet HAT-P-18 b. Initial analysis of these …

Characterizing the Near-infrared Spectra of Flares from TRAPPIST-1 during JWST Transit Spectroscopy Observations

WS Howard, AF Kowalski, L Flagg… - The Astrophysical …, 2023 - iopscience.iop.org
We present the first analysis of JWST near-infrared spectroscopy of stellar flares from
TRAPPIST-1 during transits of rocky exoplanets. Four flares were observed from 0.6–2.8 μm …

The Near Infrared Imager and Slitless Spectrograph for the James Webb Space Telescope. III. Single Object Slitless Spectroscopy

L Albert, D Lafrenière, R Doyon, É Artigau… - Publications of the …, 2023 - iopscience.iop.org
Abstract The Near Infrared Imager and Slitless Spectrograph instrument (NIRISS) is the
Canadian Space Agency contribution to the suite of four science instruments of the James …

Modelling reflected polarized light from close-in giant exoplanet WASP-96b using PolHEx (Polarization of hot exoplanets)

KL Chubb, DM Stam, C Helling… - Monthly Notices of the …, 2024 - academic.oup.com
We present the Polarization of Hot Exoplanets (PolHEx) code for modelling the total flux (F)
and degree of linear Polarization (P) of light spectra reflected by close-in, tidally locked …