papers

Publications (32)

astro-ph.EP2023

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

Louis-Philippe Coulombe, Björn Benneke, Ryan Challener +73

astro-ph.EP2022

Identification of carbon dioxide in an exoplanet atmosphere

The JWST Transiting Exoplanet Community Early Release Science Team, Eva-Maria Ahrer, Lili Alderson +129

astro-ph.IM2023

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

Loic Albert, David Lafreniere, Rene Doyon +37

astro-ph.EP2022

Is the hot, dense sub-Neptune TOI-824b an exposed Neptune mantle? Spitzer detection of the hot day side and reanalysis of the interior composition

Pierre-Alexis Roy, Björn Benneke, Caroline Piaulet +10

astro-ph.EP2024

Muted Features in the JWST NIRISS Transmission Spectrum of Hot-Neptune LTT 9779 b

Michael Radica, Louis-Philippe Coulombe, Jake Taylor +13

astro-ph.EP2025

JWST NIRISS Transmission Spectroscopy of the Super-Earth GJ 357b, a Favourable Target for Atmospheric Retention

Jake Taylor, Michael Radica, Richard D. Chatterjee +18

astro-ph.EP2025

A water-rich interior in the temperate sub-Neptune K2-18 b revealed by JWST

Renyu Hu, Aaron Bello-Arufe, Armen Tokadjian +7

astro-ph.EP2025

Possible Evidence for the Presence of Volatiles on the Warm Super-Earth TOI-270 b

Louis-Philippe Coulombe, Björn Benneke, Joshua Krissansen-Totton +25

astro-ph.EP2025

Highly reflective white clouds on the western dayside of an exo-Neptune

Louis-Philippe Coulombe, Michael Radica, Björn Benneke +19

astro-ph.EP2025

Continuous helium absorption from the leading and trailing tails of WASP-107b

Vigneshwaran Krishnamurthy, Yann Carteret, Caroline Piaulet-Ghorayeb +19

astro-ph.EP2023

Awesome SOSS: Transmission Spectroscopy of WASP-96b with NIRISS/SOSS

Michael Radica, Luis Welbanks, Néstor Espinoza +30

astro-ph.EP2026

Uniform Reinterpretation of Rocky Exoplanet Secondary Eclipse Observations and the Impact of Stellar and Orbital Uncertainties

Christopher Monaghan, Björn Benneke, Nicholas J. Connors +2

astro-ph.EP2023

Water absorption in the transmission spectrum of the water-world candidate GJ9827d

Pierre-Alexis Roy, Björn Benneke, Caroline Piaulet +16

astro-ph.EP2023

Atmospheric Reconnaissance of TRAPPIST-1 b with JWST/NIRISS: Evidence for Strong Stellar Contamination in the Transmission Spectra

Olivia Lim, Björn Benneke, René Doyon +22

astro-ph.EP2025

Detailed Architecture of the L 98-59 System and Confirmation of a Fifth Planet in the Habitable Zone

Charles Cadieux, Alexandrine L'Heureux, Caroline Piaulet-Ghorayeb +12

astro-ph.EP2024

A roadmap for the atmospheric characterization of terrestrial exoplanets with JWST

TRAPPIST-1 JWST Community Initiative, :, Julien de Wit +80

astro-ph.EP2022

Early Release Science of the Exoplanet WASP-39b with JWST NIRSpec G395H

Lili Alderson, Hannah R. Wakeford, Munazza K. Alam +89

astro-ph.EP2022

Early Release Science of the exoplanet WASP-39b with JWST NIRCam

Eva-Maria Ahrer, Kevin B. Stevenson, Megan Mansfield +96

astro-ph.EP2025

Low 4.5 μm Dayside Emission Disfavors a Dark Bare-Rock scenario for the Hot Super-Earth TOI-431 b

Christopher Monaghan, Pierre-Alexis Roy, Björn Benneke +13

astro-ph.EP2024

JWST Reveals CH, CO, and HO in a Metal-rich Miscible Atmosphere on a Two-Earth-Radius Exoplanet

Björn Benneke, Pierre-Alexis Roy, Louis-Philippe Coulombe +28

astro-ph.EP2024

JWST/NIRISS reveals the water-rich "steam world" atmosphere of GJ 9827 d

Caroline Piaulet-Ghorayeb, Bjorn Benneke, Michael Radica +30

astro-ph.EP2025

A Moderate Albedo from Reflecting Aerosols on the Dayside of WASP-80 b Revealed by JWST/NIRISS Eclipse Spectroscopy

Kim Morel, Louis-Philippe Coulombe, Jason F. Rowe +18

astro-ph.EP2025

Strict limits on potential secondary atmospheres on the temperate rocky exo-Earth TRAPPIST-1 d

Caroline Piaulet-Ghorayeb, Björn Benneke, Martin Turbet +23

astro-ph.EP2022

Early Release Science of the exoplanet WASP-39b with JWST NIRISS

Adina D. Feinstein, Michael Radica, Luis Welbanks +86

astro-ph.EP2025

Escaping Helium and a Highly Muted Spectrum Suggest a Metal-Enriched Atmosphere on Sub-Neptune GJ3090b from JWST Transit Spectroscopy

Eva-Maria Ahrer, Michael Radica, Caroline Piaulet-Ghorayeb +27

astro-ph.EP2023

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

Ward S. Howard, Adam F. Kowalski, Laura Flagg +16

astro-ph.EP2026

GJ 3929 b as the First Complete Rocky Worlds DDT Data Set

Nicholas J. Connors, Christopher Monaghan, Björn Benneke +3

astro-ph.EP2022

ATOCA: an algorithm to treat order contamination. Application to the NIRISS SOSS mode

Antoine Darveau-Bernier, Loïc Albert, Geert Jan Talens +20

astro-ph.EP2025

Diversity in the haziness and chemistry of temperate sub-Neptunes

Pierre-Alexis Roy, Björn Benneke, Marylou Fournier-Tondreau +17

astro-ph.EP2024

Biases in Exoplanet Transmission Spectra Introduced by Limb Darkening Parametrization

Louis-Philippe Coulombe, Pierre-Alexis Roy, Björn Benneke

astro-ph.EP2024

Transmission spectroscopy of WASP-52 b with JWST NIRISS: Water and helium atmospheric absorption, alongside prominent star-spot crossings

Marylou Fournier-Tondreau, Yanbo Pan, Kim Morel +20

astro-ph.IM2023

Eureka!: An End-to-End Pipeline for JWST Time-Series Observations

Taylor J. Bell, Eva-Maria Ahrer, Jonathan Brande +12