Exoplanets and Stellar Physics

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

Nature Astronomy (2025) 1-14

Authors:

Louis-Philippe Coulombe, Michael Radica, Björn Benneke, Élyse D’Aoust, Lisa Dang, Nicolas B Cowan, Vivien Parmentier, Loïc Albert, David Lafrenière, Jake Taylor, Pierre-Alexis Roy, Stefan Pelletier, Romain Allart, Étienne Artigau, René Doyon, Ray Jayawardhana, Doug Johnstone, Lisa Kaltenegger, Adam B Langeveld, Ryan J MacDonald, Jason F Rowe, Jake D Turner
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BOWIE-ALIGN: JWST reveals hints of planetesimal accretion and complex sulphur chemistry in the atmosphere of the misaligned hot Jupiter WASP-15b

Monthly Notices of the Royal Astronomical Society Oxford University Press (OUP) (2025) staf208

Authors:

James Kirk, Eva-Maria Ahrer, Alastair B Claringbold, Maria Zamyatina, Chloe Fisher, Mason McCormack, Vatsal Panwar, Diana Powell, Jake Taylor, Daniel P Thorngren, Duncan A Christie, Emma Esparza-Borges, Shang-Min Tsai, Lili Alderson, Richard A Booth, Charlotte Fairman, Mercedes López-Morales, NJ Mayne, Annabella Meech, Paul Mollière, James E Owen, Anna BT Penzlin, Denis E Sergeev, Daniel Valentine, Hannah R Wakeford, Peter J Wheatley
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A Measurement of the Water Abundance in the Atmosphere of the Hot Jupiter WASP-43b with High-resolution Cross-correlation Spectroscopy

The Astronomical Journal American Astronomical Society 169:2 (2025) 101

Authors:

Dare Bartelt, Megan Weiner Mansfield, Michael R Line, Vivien Parmentier, Luis Welbanks, Elspeth KH Lee, Jorge Sanchez, Arjun B Savel, Peter CB Smith, Emily Rauscher, Joost P Wardenier
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Spectroscopically Resolved Partial Phase Curve of the Rapid Heating and Cooling of the Highly Eccentric Hot Jupiter HAT-P-2b with WFC3

The Astronomical Journal American Astronomical Society 169:2 (2025) 96

Authors:

Bob Jacobs, Jean-Michel Désert, Nikole Lewis, Ryan C Challener, LC Mayorga, Zoë L de Beurs, Vivien Parmentier, Kevin B Stevenson, Julien de Wit, Saugata Barat, Jonathan Fortney, Tiffany Kataria, Michael Line
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Phase-resolved Hubble Space Telescope WFC3 Spectroscopy of the Weakly Irradiated Brown Dwarf GD 1400 and Energy Redistribution–Irradiation Trends in Six White Dwarf–Brown Dwarf Binaries

The Astrophysical Journal American Astronomical Society 979:2 (2025) 231

Authors:

Rachael C Amaro, Dániel Apai, Yifan Zhou, Joshua D Lothringer, Sarah L Casewell, Xianyu Tan, Ben WP Lew, Travis Barman, Mark S Marley, LC Mayorga, Vivien Parmentier
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