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8 papers · 2 filters
The Role of Disc Self-Gravity in Circumbinary Planet Systems: I. Disc Structure and Evolution
Matthew M. Mutter, Arnaud Pierens, Richard P. Nelson
We present the results of 2-dimensional hydrodynamic simulations of self-gravitating circumbinary discs around binaries whose parameters match those of the circumbinary planet-host…
Challenges in Planet Formation
Alessandro Morbidelli, Sean N. Raymond
Over the past two decades, large strides have been made in the field of planet formation. Yet fundamental questions remain. Here we review our state of understanding of five fundam…
Condensation-inhibited convection in hydrogen-rich atmospheres: Stability against double-diffusive processes and thermal profiles for Jupiter, Saturn, Uranus, and Neptune
Jérémy Leconte, Franck Selsis, Franck Hersant +1
In an atmosphere, a cloud condensation region is characterized by a strong vertical gradient in the abundance of the related condensing species. On Earth, the ensuing gradient of m…
Measuring stellar granulation during planet transits
A. Chiavassa, A. Caldas, F. Selsis +6
Stellar activity and convection-related surface structures might cause bias in planet detection and characterization that use these transits. Surface convection simulations help to…
The habitability of Proxima Centauri b II. Possible climates and Observability
Martin Turbet, Jeremy Leconte, Franck Selsis +5
Radial velocity monitoring has found the signature of a ~M planet located within the Habitable Zone (HZ) of Proxima Centauri \citep{Anglada16}. Despite a h…
The habitability of Proxima Centauri b. I. Irradiation, rotation and volatile inventory from formation to the present
Ignasi Ribas, Emeline Bolmont, Franck Selsis +9
Proxima b is a planet with a minimum mass of 1.3 MEarth orbiting within the habitable zone (HZ) of Proxima Centauri, a very low-mass, active star and the Sun's closest neighbor. He…