Vivien Parmentier

Vivien Parmentier

Postdoctoral Sagan Fellow
Lunar & Planetary Laboratory
University of Arizona
Tucson, Arizona, USA

Vivien at lpl dot arizona dot edu

Main research topics

I am mostly interested in planetary astrophysics. More specifically, I work on gas giant atmospheres. I use both analytical and numerical approches to infer their characteristics and how they affect the evolution of the planet.

Recent publications

- Parmentier V. , Fortney J., Showman, A., Morley, C., Marley M. Transitions in the cloud composition of hot Jupiters, 2016, ApJ,828,22 (arXiv, ApJ )
- Line, M., Parmentier,V. The Influence of Non-Uniform Cloud Cover on Transit Transmission Spectra ,2016, ApJ ,820,78 (ArXiv,ApJ)
- Parmentier V. , Guillot T., Fortney J., Marley M. A non-grey analytical model for irradiated atmospheres II. Analytical vs. numerical solutions, 2015, A&A,574, A35 (arXiv, A&A)

Recent news

My article on hot Jupiters clouds is featured in the New Scientist, Astronomy magazine and the MITgcm blog.
My PhD thesis is now available online.
Une planète extrasolaire couverte de nuages article in the french newspaper Le Figaro
NASA Space Telescopes Find Patchy Clouds on Exotic World NASA press release on Kepler-7b.
A scorched world with snow black and smoky in the New scientist

Main collaborators

1D atmospheric modeling are done in collaboration with Tristan Guillot (OCA, Nice), Jonathan Fortney (UCSC, Santa-Cruz), Mark Marley (NASA Ames, Mountain View) and Richard Freedman (SETI institute)

3D numerical models are done in collaboration with Adam Showman (University of Arizona, Tucson) and Yuan Lian (Ashima research).

Other works are carried out with Diana Valencia (MIT, Boston), Brice-Olivier Demory (MIT, Boston), Christophe Mordasini (MPIA, Heidelberg), Jean-Michel Désert (Caltech), David Sing (University of Exeter) and Alain Lecavelier des Etangs (IAP,Paris)