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WASp-121b at different phases as would be seen by an observer, modelled with the 3D SPARC/MITgcm.

The hot Jupiter WASP-121b at different phases as would be seen by an observer, modelled with the 3D SPARC/MITgcm.

Credit: Vivien Parmentier

Vivien Parmentier

Visitor

Research theme

  • Astronomy and astrophysics
  • Exoplanets and planetary physics

Sub department

  • Atmospheric, Oceanic and Planetary Physics

Research groups

  • Exoplanet atmospheres
  • Exoplanets and Stellar Physics
vivien.parmentier@physics.ox.ac.uk
Telephone: 01865282458
Atmospheric Physics Clarendon Laboratory, room 116
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  • Publications

A Possible Metal-dominated Atmosphere below the Thick Aerosols of GJ 1214 b Suggested by Its JWST Panchromatic Transmission Spectrum

The Astrophysical Journal Letters American Astronomical Society 979:1 (2025) l7

Authors:

Kazumasa Ohno, Everett Schlawin, Taylor J Bell, Matthew M Murphy, Thomas G Beatty, Luis Welbanks, Thomas P Greene, Jonathan J Fortney, Vivien Parmentier, Isaac R Edelman, Nishil Mehta, Marcia J Rieke
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A Comprehensive Analysis of Spitzer 4.5 μm Phase Curves of Hot Jupiters

The Astronomical Journal American Astronomical Society 169:1 (2025) 32

Authors:

Lisa Dang, Taylor J Bell, Ying Shu, Nicolas B Cowan, Jacob L Bean, Drake Deming, Eliza M-R Kempton, Megan Weiner Mansfield, Emily Rauscher, Vivien Parmentier, Alexandra Rochon, Kevin B Stevenson, Mark Swain, Laura Kreidberg, Tiffany Kataria, Jean-Michel Désert, Robert Zellem, Jonathan J Fortney, Nikole K Lewis, Michael Line, Caroline Morley, Adam Showman
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CRIRES+ and ESPRESSO Reveal an Atmosphere Enriched in Volatiles Relative to Refractories on the Ultrahot Jupiter WASP-121b

The Astronomical Journal American Astronomical Society 169:1 (2025) 10

Authors:

Stefan Pelletier, Björn Benneke, Yayaati Chachan, Luc Bazinet, Romain Allart, H Jens Hoeijmakers, Alexis Lavail, Bibiana Prinoth, Louis-Philippe Coulombe, Joshua D Lothringer, Vivien Parmentier, Peter Smith, Nicholas Borsato, Brian Thorsbro
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The Roasting Marshmallows Program with IGRINS on Gemini South. II. WASP-121 b has Superstellar C/O and Refractory-to-volatile Ratios

The Astronomical Journal American Astronomical Society 168:6 (2024) 293

Authors:

Peter CB Smith, Jorge A Sanchez, Michael R Line, Emily Rauscher, Megan Weiner Mansfield, Eliza M-R Kempton, Arjun Savel, Joost P Wardenier, Lorenzo Pino, Jacob L Bean, Hayley Beltz, Vatsal Panwar, Matteo Brogi, Isaac Malsky, Jonathan Fortney, Jean-Michel Désert, Stefan Pelletier, Vivien Parmentier, Sai Krishna Teja Kanumalla, Luis Welbanks, Michael Meyer, John Monnier
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Possible Carbon Dioxide above the Thick Aerosols of GJ 1214 b

The Astrophysical Journal Letters American Astronomical Society 974:2 (2024) l33

Authors:

Everett Schlawin, Kazumasa Ohno, Taylor J Bell, Matthew M Murphy, Luis Welbanks, Thomas G Beatty, Thomas P Greene, Jonathan J Fortney, Vivien Parmentier, Isaac R Edelman, Samuel Gill, David R Anderson, Peter J Wheatley, Gregory W Henry, Nishil Mehta, Laura Kreidberg, Marcia J Rieke
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