Audrey CHATAIN

Présentation

PROFESSIONAL EXPERIENCE

From 01/01/2020: Postdoctoral Researcher at Université Paris-Saclay/LATMOS, Guyancourt, France. Project: Initial study of the electric probes on the future Dragonfly mission to Titan. Advisor: Dr. Alice Le Gall

01/09/2017–31/08/2020: Graduate Research Associate at Université Paris-Saclay/LATMOS and École polytechnique/LPP, Guyancourt and Palaiseau, France. Ph.D. thesis: Aerosols-plasma interaction in Titan’s ionosphere. Advisors: Pr. N. Carrasco and Dr. O. Guaitella

06/03/2017–30/06/2017:Master Intern Student atUniversité Paris-Saclay/LATMOS and École polytechnique /LPP, Guyancourt and Palaiseau, France. Thesis: Experimental simulation of aerosols evolution in Titan’s ionosphere. Advisors: Pr. N. Carrasco and Dr. O. Guaitella

20/04/2015–31/07/2015:Master Intern Student at SwRI, Boulder, Colorado, U.S. Thesis: Study of gravity waves in Venus’s thermosphere thanks to a Global Climate Model. Advisor: Dr. S. Rafkin

19/05/2014–20/06/2014:Undergraduate Intern Student at CEA, Saclay, France. Thesis: Study of the hydrodynamic properties of the core collapse of a star just before its explosion, with the SWASI experimental setup. Advisor: Dr. T. Foglizzo

EDUCATION

29/06/2020: Ph.D. in Planetary Science and Laboratory Plasmas, Université Paris-Saclay, France. Manuscript: https://tel.archives-ouvertes.fr/tel-02971735v1. Defence: https://youtu.be/vamF9aU3LYQ. International collaborations: (1) 6-week stay at the Swedish Institute of Space Physics, Uppsala (Sweden): establishment of a new collaboration with J-E Wahlund, PI of the Cassini RWPS/Langmuir Probe. (2) Collaboration with the Instituto de Plasmas e Fusão Nuclear (Portugal) to study and model a CCP RF plasma discharge in N2-H2.

01/12/2017: École Normale Supérieure de Paris-Saclaydiploma, specialisation in Physics, France. French ‘Grande École’, highly selective school on 4 years to form researchers and high school/university teachers.

11/07/2017:MSc in Planetary Science, Sorbonne Université, Université Paris-Saclay, Observatoire de Paris, France.

20/12/2016:MSc in Teaching Physics at high school and the University, École Normale Supérieure de Paris-Saclay, France.

**05/07/2016:**Successful at the national French competitive examination of ‘Agrégation’ in Physics, to teach at the university and at high school.

20/12/2016:BSc in Fundamental Physics, Sorbonne Université (previous Université Pierre et Marie Curie), École Normale Supérieure de Paris-Saclay, France.

Publications

Article dans une revue (15)

Understanding the chemistry of temperate exoplanet atmospheres through experimental and numerical simulations Orianne Sohier,Adam Yassin Jaziri,Ludovic Vettier,Audrey Chatain,Thomas Drantet al. Astronomy & Astrophysics - A&A, 2026, 707, pp.A53. ⟨10.1051/0004-6361/202557541⟩ Article dans une revue hal-05553993v1
Ramparts around Lakes on Titan Impact Winds and Methane Evaporation Enora Moisan,Audrey Chatain,Scot Rafkin,Alejandro Soto,Shannon Mackenzieet al. The Planetary Science Journal, 2025, 6 (9), pp.220. ⟨10.3847/PSJ/adf631⟩ Article dans une revue hal-05282393v1
Diurnal and Seasonal Variations of Gravity Waves in the Lower Atmosphere of Mars as Observed by InSight Jorge Hernández‐bernal,A. Spiga,Audrey Chatain,J. Pla‐garcia,D. Banfield Journal of Geophysical Research. Planets, 2025, 130 (2), pp.e2024JE008746. ⟨10.1029/2024je008746⟩ Article dans une revue hal-04926685v1
Spectral location for the universal scaling regime in Martian atmospheric turbulence Naomi Murdoch,Alexander E Stott,David Mimoun,Baptiste Pinot,Audrey Chatainet al. Communications Earth & Environment, 2024, 5 (1), pp.597. ⟨10.1038/s43247-024-01752-6⟩ Article dans une revue hal-04904998v1
The impact of lake shape and size on lake breezes and air-lake exchanges on Titan Audrey Chatain,Scot C R Rafkin,Alejandro Soto,Enora Moisan,Juan M Loraet al. Icarus, 2024, 41, pp.115925. ⟨10.1016/j.icarus.2023.115925⟩ Article dans une revue insu-04263607v2
Characterization of a DC glow discharge in N&lt;sub&gt;2&lt;/sub&gt;-H&lt;sub&gt;2&lt;/sub&gt; with electrical measurements and neutral and ion mass spectrometry Audrey Chatain,Ana Sofia Morillo-Candas,Ludovic Vettier,Nathalie Carrasco,Guy Cernogoraet al. Plasma Sources Science and Technology, 2023, 32 (3), pp.035002. ⟨10.1088/1361-6595/acc132⟩ Article dans une revue (article de synthèse) insu-04016225v1
Detection and characterization of wind-blown charged sand grains on Titan with the DraGMet/EFIELD experiment on Dragonfly Audrey Chatain,Alice Le Gall,Jean-Jacques Berthelier,Ralph D. Lorenz,Rafik Hassen-Khodjaet al. Icarus, 2023, 391 (february), pp.115345. ⟨10.1016/j.icarus.2022.115345⟩ Article dans une revue insu-03844450v1
Interaction dust–plasma in Titan's ionosphere: Feedbacks on the gas phase composition Audrey Chatain,Nathalie Carrasco,Ludovic Vettier,Olivier Guaitella Icarus, 2023, 396 (May), pp.115502. ⟨10.1016/j.icarus.2023.115502⟩ Article dans une revue (article de synthèse) insu-04014563v1
Humid Evolution of Haze in the Atmosphere of Super-Earths in the Habitable Zone Julien Maillard,Nathalie Carrasco,Christopher Rüger,Audrey Chatain,Isabelle Schmitz-Afonsoet al. Astrobiology, 2023, 23 (6), pp.723-732. ⟨10.1089/ast.2022.0021⟩ Article dans une revue insu-04116316v1
An Atmospheric Origin for HCN-Derived Polymers on Titan Zoé Perrin,Nathalie Carrasco,Audrey Chatain,Lora Jovanovic,Ludovic Vettieret al. Processes, 2021, Materials Processes, 9 (6), pp.965. ⟨10.3390/pr9060965⟩ Article dans une revue insu-03250687v1
Re‐analysis of the Cassini RPWS/LP data in Titan’s ionosphere. Part I: detection of several electron populations Audrey Chatain,J.-E. Wahlund,O. Shebanits,L. Z. Hadid,M. Morookaet al. Journal of Geophysical Research Space Physics, 2021, 126 (8), pp.e2020JA028412. ⟨10.1029/2020JA028412⟩ Article dans une revue insu-03298835v1
Re-analysis of the Cassini RPWS/LP data in Titan's ionosphere. Part II: statistics on 57 flybys Audrey Chatain,J.-E. Wahlund,O. Shebanits,L. Z. Hadid,M. Morookaet al. Journal of Geophysical Research Space Physics, 2021, 126 (8), pp.e2020JA028413. ⟨10.1029/2020JA028413⟩ Article dans une revue insu-03300662v1
Interaction dust – plasma in Titan's ionosphere: An experimental simulation of aerosols erosion Audrey Chatain,Nathalie Carrasco,N. Ruscassier,Thomas Gautier,Ludovic Vettieret al. Icarus, 2020, 345, pp.113741. ⟨10.1016/j.icarus.2020.113741⟩ Article dans une revue insu-02506044v1
N&lt;sub&gt;2&lt;/sub&gt;-H&lt;sub&gt;2 &lt;/sub&gt;capacitively coupled radio-frequency discharges at low pressure. Part II. Modelling results: the relevance of plasma-surface interaction. Miguel Jiménez-Redondo,Audrey Chatain,Olivier Guaitella,Guy Cernogora,Nathalie Carrascoet al. Plasma Sources Science and Technology, 2020, 29 (8), pp.085023. ⟨10.1088/1361-6595/ab9b1b⟩ Article dans une revue insu-02867254v1
N&lt;sub&gt;2&lt;/sub&gt;-H&lt;sub&gt;2&lt;/sub&gt; capacitively coupled radio-frequency discharges at low pressure. Part I. Experimental results: effect of the H&lt;sub&gt;2&lt;/sub&gt; amount on electrons, positive ions and ammonia formation. Audrey Chatain,Miguel Jiménez-Redondo,Ludovic Vettier,Olivier Guaitella,Nathalie Carrascoet al. Plasma Sources Science and Technology, 2020, 29 (8), pp.085019. ⟨10.1088/1361-6595/ab9b1a⟩ Article dans une revue insu-02867248v1

Communication dans un congrès (22)

Influence of chemical and morphological properties on the mid-infrared refractive indices of Titan aerosol analogs Zoé Perrin,Thomas Drant,Enrique Garcia-Caurel,Jean-Blaise Brubach,Nathalie Ruscassieret al. EPSC-DPS Joint Meeting 2025, Sep 2025, Helsinki, Finland. ⟨10.5194/epsc-dps2025-904⟩ Communication dans un congrès hal-05281571v1
Isomer specific photochemistry in Titan’s atmosphere Panayotis Lavvas,Nadia Balucani,Audrey Chatain,Athena Coustenis,Ralf Kaiseret al. EPSC-DPS Joint Meeting 2025 (EPSC-DPS2025), Sep 2025, Helsinki (Finland), Finland. ⟨10.5194/epsc-dps2025-220⟩ Communication dans un congrès hal-05368997v1
Titan’s methane: from lakes to clouds Enora Moisan,Audrey Chatain,Aymeric Spiga,Scot Rafkin,Alejandro Sotoet al. Europlanet Science Congress 2024, Sep 2024, Berlin, Germany. pp.EPSC2024-523, ⟨10.5194/epsc2024-523⟩ Communication dans un congrès insu-04687293v1
Sulphur organic aerosols and their contribution to prebiotic chemistry Louis Maratrat,Nathalie Carrasco,Audrey Chatain,Arnaud Buch,Ludovic Vettieret al. Europlanet Science Congress 2024, Sep 2024, Berlin, Germany. pp.EPSC2024-945, ⟨10.5194/epsc2024-945⟩ Communication dans un congrès insu-04682971v1
Understanding the chemistry of temperate exoplanet atmospheres: A study of oxidized organic compounds as precursors of photochemical condensates Oriane Sohier,Yassin Jaziri,Ludovic Vettier,Audrey Chatain,Louis Maratratet al. SF2A-2024, Jun 2024, Marseille, France. pp.249-252 Communication dans un congrès hal-04926933v1
Understanding the chemistry of temperate exoplanets atmospheres: A study of oxidized organic compounds as precursors of photochemical condensates Orianne Sohier,Yassin Jaziri,Ludovic Vettier,Nathalie Carrasco,Audrey Chatainet al. Europlanet Science Congress 2024, Sep 2024, Berlin, Germany. pp.EPSC2024-218, ⟨10.5194/epsc2024-218⟩ Communication dans un congrès insu-04687572v1
Re-analysis of the Cassini RPWS/LP data in Titan's ionosphere: electron density and temperature of cold electron populations Audrey Chatain,Jan-Erik Wahlund,Oleg Shebanits,Lina Hadid,Michiko Morookaet al. EGU General Assembly 2022, May 2022, Online, Austria. ⟨10.5194/egusphere-egu22-8878⟩ Communication dans un congrès insu-03636225v1
An atmospheric origin for HCN-derived polymers on Titan Zoé Perrin,Nathalie Carrasco,Audrey Chatain,Lora Jovanovic,Nathalie Ruscassieret al. European Planetary Science Congress (EPSC 2021), Sep 2021, Online, France. pp.491, ⟨10.5194/epsc2021-491⟩ Communication dans un congrès insu-03324109v1
An atmospheric origin for a HCN-derived polymer on Titan Zoé Perrin,Nathalie Carrasco,Audrey Chatain,Lora Jovanovic,N. Ruscassieret al. SF2A-2021: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics, Jun 2021, On Line, France. pp.59-62 Communication dans un congrès insu-03835791v1
Detection of sand grains blown by Titan surface winds with the DraGMet/EFIELD sensor on Dragonfly Audrey Chatain,Alice Le Gall,Michel Hamelin,Jean-Jacques Berthelier,Ralph D. Lorenzet al. Europlanet Science Congress. EPSC 2021, Sep 2021, Online, Unknown Region. pp.EPSC2021-472, ⟨10.5194/epsc2021-472⟩ Communication dans un congrès insu-03305275v1
Measurement of Titan's surface permittivity with the DraGMet/DIEL sensor on Dragonfly Alice Le Gall,Audrey Chatain,Ralph D. Lorenz,Michel Hamelin,Grégoire Déprezet al. Europlanet Science Congress 2021, Sep 2021, Online, Unknown Region. pp.EPSC2021-690, ⟨10.5194/epsc2021-690⟩ Communication dans un congrès insu-03302152v1
Aerosols-plasma interaction in the ionosphere of Titan Audrey Chatain,Nathalie Carrasco,Ludovic Vettier,Olivier Guaitella Titan Through Time 5, Aug 2021, Boulder, CO (virtual Meeting), United States Communication dans un congrès hal-03328325v1
Detection of charged organic grains at the surface of Titan with the EFIELD/DraGMet sensor on board Dragonfly Audrey Chatain,Alice Le Gall,Michel Hamelin,Jean-Jacques Berthelier,Ralph D. Lorenzet al. vEGU21 - EGU General Assembly 2021, Apr 2021, Online, France. ⟨10.5194/egusphere-egu21-12900⟩ Communication dans un congrès insu-03559301v1
Interaction aerosols - plasma in Titan's ionosphere: effect on the gas phase composition Audrey Chatain,Nathalie Carrasco,Ludovic Vettier,Olivier Guaitella Europlanet Science Congress 2020. EPSC 2020, Sep 2020, Online, Unknown Region. pp.EPSC2020-454 Communication dans un congrès insu-02940652v1
Re-analysis of the Cassini RPWS/LP data in Titan's ionosphere: electron density and temperature of four cold electron populations Audrey Chatain,Jan-Erik Wahlund,Oleg Shebanits,Lina Z. Hadid,Anders Erikssonet al. Europlanet Science Congress 2020, Sep 2020, Virtual Meeting, Unknown Region. pp.EPSC2020-436 Communication dans un congrès insu-02940670v1
Electron temperature(s) in Titan's ionosphere: re-analysis of the Cassini RPWS/LP data Audrey Chatain,Jan-Erik Wahlund,Michiko Morooka,Oleg Shebanits,Lina Hadidet al. EPSC-DPS Joint Meeting 2019, Sep 2019, Geneva, Switzerland. pp.EPSC-DPS2019-1382-1 Communication dans un congrès insu-02299116v1
Analogues of Titan's aerosols: the different steps of formation in a N&lt;sub&gt;2&lt;/sub&gt;-CH&lt;sub&gt;4&lt;/sub&gt; plasma Zoé Perrin,Audrey Chatain,Nathalie Ruscassier,Ludovic Vettier EPSC-DPS Joint Meeting 2019, Sep 2019, Geneva, Switzerland. pp.EPSC-DPS2019-2035 Communication dans un congrès insu-02292396v1
Laboratory simulation of plasma-aerosols interaction in Titan's ionosphere Audrey Chatain,Nathalie Carrasco,Ludovic Vettier,Thomas Gautier,Olivier Guaitella EPSC-DPS Joint Meeting 2019, Sep 2019, Geneva, Switzerland. pp.EPSC-DPS2019-1317-1 Communication dans un congrès insu-02196496v1
Evolution of aerosols in Titan’s ionospheric plasma: An experimental simulation Audrey Chatain,Olivier Guaitella,Nathalie Carrasco,N. Ruscassier Cassini Science Symposium 2018, Aug 2018, Boulder, United States Communication dans un congrès insu-01820236v1
Evolution of organic aerosols under conditions similar to Titan's ionosphere Audrey Chatain,Nathalie Carrasco,Olivier Guaitella,N. Ruscassier European Planetary Science Congress 2018, Sep 2018, Berlin, Germany. EPSC2018-200-1 (2p.) Communication dans un congrès insu-02299244v1
Molecules, Radicals and Ions produced in an N&lt;sub&gt;2&lt;/sub&gt;-H&lt;sub&gt;2&lt;/sub&gt; CCP RF plasma Nathalie Carrasco,David Dubois,Audrey Chatain,Ludovic Vettier,Guy Cernogora ICPIG 2017, International Conference on Phenomena in Ionized Gases, Jul 2017, Lisbon, Portugal Communication dans un congrès hal-01486530v1
Experimental simulation of aerosols evolution in Titan’s ionosphere Audrey Chatain,Nathalie Carrasco,Olivier Guaitella European Planetary Science Congress 2017, Sep 2017, Riga, Latvia. pp.EPSC2017-594 Communication dans un congrès insu-01653478v1

Poster de conférence (5)

Modelling the climate in Titan’s lake regions Audrey Chatain,Léa E Bonnefoy,Enora Moisan,Scot C R Rafkin,Alejandro Sotoet al. Europlanet Science Congress 2024, Sep 2024, Berlin, Germany. EPSC Abstracts, 17, pp.EPSC2024-180, 2024, ⟨10.5194/epsc2024-180⟩ Poster de conférence insu-04689676v1
Synthetic topography, roughness, albedo, and thermal inertia maps for mesoscale modeling on Titan Lea E Bonnefoy,Maxence Lefevre,Audrey Chatain,Aymeric Spiga,Alexander G Hayeset al. Europlanet Science Congress 2024, Sep 2024, Berlin, Germany. EPSC Abstracts, 17, pp.EPSC2024-907, 2024, ⟨10.5194/epsc2024-907⟩ Poster de conférence insu-04676968v1
Analyses of Titan’ tholins with High Resolution Mass Spectrometry based on the OrbitrapTM: from the ionosphere to the surface Laura Selliez,Louis Maratrat,Isabelle Couturier,Audrey Chatain,Ludovic Vettieret al. Europlanet Science Congress 2024, Sep 2024, Berlin, Germany. EPSC Abstracts, 17, pp.EPSC2024-779, 2024, ⟨10.5194/epsc2024-779⟩ Poster de conférence insu-04694283v1
Optical Constants of Titan's haze analogs particles from 3 to 10 μm Zoé Perrin,Thomas Drant,Enrique Garcia Caurel,Audrey Chatain,Olivier Guaitellaet al. Europlanet Science Congress 2022, Sep 2022, Granada, Spain. EPSC Abstracts, 16, pp.EPSC2022-435 Poster de conférence insu-03753834v1
Experimental study of ammonia formation in Titan's ionosphere Audrey Chatain,Nathalie Carrasco,Olivier Guaitella,Maryse Napoleoni,Ludovic Vettieret al. European Planetary Science Congress 2018, Sep 2018, Berlin, Germany. EPSC Abstracts Poster de conférence insu-02940713v1

Thèse (1)

Aerosols-plasma interaction in Titan’s ionosphere Audrey Chatain Astrophysics [astro-ph]. Université Paris-Saclay, 2020. English. ⟨NNT : 2020UPASV022⟩ Thèse tel-02971735v1