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23 papers · 2 filters
The atmospheric chemistry of the warm Neptune GJ 3470b: influence of metallicity and temperature on the CH4/CO ratio
Olivia Venot, Marcelino Agundez, Franck Selsis +2
Current observation techniques are able to probe the atmosphere of some giant exoplanets and get some clues about their atmospheric composition. However, the chemical compositions…
The puzzling chemical composition of GJ 436b's atmosphere: influence of tidal heating on the chemistry
M. Agundez, O. Venot, F. Selsis +1
The dissipation of the tidal energy deposited on eccentric planets may induce a heating of the planet that affects its atmospheric thermal structure. Here we study the influence of…
Terrestrial Planet Formation at Home and Abroad
Sean N. Raymond, Eiichiro Kokubo, Alessandro Morbidelli +2
We review the state of the field of terrestrial planet formation with the goal of understanding the formation of the inner Solar System and low-mass exoplanets. We review the dynam…
First submillimeter observation of CO in the stratosphere of Uranus
T. Cavalié, R. Moreno, E. Lellouch +8
Context. Carbon monoxide (CO) has been detected in all Giant Planets and its origin is both internal and external in Jupiter and Neptune. Despite its first detection in Uranus a de…
Solar System Moons as Analogs for Compact Exoplanetary Systems
Stephen R. Kane, Natalie R. Hinkel, Sean N. Raymond
The field of exoplanetary science has experienced a recent surge of new systems that is largely due to the precision photometry provided by the Kepler mission. The latest discoveri…
Making giant planet cores: convergent migration and growth of planetary embryos in non-isothermal discs
Arnaud Pierens, Christophe Cossou, Sean Raymond
Earth-mass bodies are expected to undergo Type I migration directed either inward or outward depending on the thermodynamical state of the protoplanetary disc. Zones of convergent…