Quentin Changeat - Personal Profiles
Quentin Changeat
Research Fellow STScI (ESA)Main Research Fields
- Characterization of exoplanets.
- Transit, Eclipse, Phase-curve, Imaging.
- Retrieval and Machine learning methods.
- Science.
Keywords
Exoplanets, spectroscopy, transit, space telescopes, atmospheric retrievals.
Ongoing collaborations
University College London - Dept Physics and Astronomy: Honorary Research Fellow.
Simons Foundation - Flatiron Institute: Guest Researcher.
National Astronomical Observatory in Japan (NAOJ): Collaboration with Ikoma-sensei's group.
Centre Energie Atomique (CEA): Collaboration with Prof. Lagage's group.
Laboratoire Inter-universitaire des Systemes Atmospheriques (LISA): Collaboration with Dr. Venot's group.
Palermo Observatory: Collaboration with Prof. Micela's group.
Publications
Link to publication library: ADS link
Changeat, Edwards et al. (2022) - Five key exoplanet questions answered via the analysis of 25 hot Jupiter atmospheres in eclipse
Changeat (2022) - On spectroscopic phase-curve retrievals: H2 dissociation and thermal inversion in the atmosphere of the ultra-hot Jupiter WASP-103 b
Changeat et al. (2021) - An exploration of model degeneracies with a unified phase curve retrieval analysis: The light and dark sides of WASP-43 b
Changeat & Edwards (2021) - The Hubble WFC3 Emission Spectrum of the Extremely-Hot Jupiter, KELT-9b
Changeat et al. (2020c) - KELT-11 b: Abundances of water and constraints on carbon-bearing molecules from the Hubble transmission spectrum
Changeat & Al-Refaie (2020) - TauREx3 PhaseCurve: A 1.5D model for phase curve description
Changeat et al. (2020b) - Alfnoor: A Retrieval Simulation of the Ariel Target List
Changeat et al. (2020a) - Impact of planetary mass uncertainties on exoplanet atmospheric retrievals
Changeat et al. (2019) - Towards a more complex description of chemical profiles in exoplanets retrievals: A 2-layer parameterisation
Project/mission at ESA
ESA-Ariel working group lead (Spectral Retrieval).
NASA/ESA/CSA-JWST ERS Member.
Academic Website: quentchangeat.github.io