Research

The process of planet formation and disk evolution leaves an imprint on the distribution of material at different locations in a protoplanetary disk, resulting in a variety of substructure (rings/gaps, spirals, vortices, etc.) that can be observed from optical to sub-millimeter wavelengths. This motivates follow-up high-contrast imaging surveys to hunt for these young protoplanets in thermal emission or through the detection of accretion lines. [more]

Our vision and understanding of exoplanets have entered a new era in the last thirty years moving toward the fine characterization of the diversity of exoplanets, right up to the conditions for the emergence of life. Observations have shown that exoplanets are frequent, diverse in terms of physical properties, and distributed in architectures very different from the one of our Solar System. [more]

Spectroscopy of exoplanets and brozn dwarfs opens a window on the exploration of the diversity of physical and chemical properties of other worlds atmospheres. These properties can tentivelly be connected to the processes of formation and evolution of these astrophysical objects to explore and understand their processes of formation. [more]

With the manna of exoplanet discoveries since the 51 Peg b announcement, the diversity of systems found (Hot Jupiters, irradiated and evaporating planets, misaligned planets with stellar spin, circumstellar and circunbinary planets in binaries, telluric planets in habitable zone, discovery of Mars-size planet...), the theories of planetary formation have drastically evolved to digest these observing constraints. [more]