Physics of the Sun, Stars and Exoplanets (PS2E)

Physics of the Sun, Stars and Exoplanets (PS2E)

Leader : Stéphane Charpinet
Deputy : Laurène Jouve

The research carried out by the members of the group PS2E aims to improve our understanding of stars, especially the closest of them, the Sun, as well as exoplanetary systems.

PS2E News

News

SPHERE, twenty years of challenges and successes for exoplanets

The SPHERE consortium celebrates its 100th scientific publication, including the demographic study of exoplanets beyond Saturn’s orbit. The SPHERE (Spectro-Polarimetric High-Contrast Exo-planet REsearch) exoplanet imager, currently installed and operating at […]

News

How do giant planets become eccentric?

The vast majority of giant exoplanets observed (planets 100 times heavier than the Earth) have very “eccentric” orbits: their trajectory does not follow a circle, unlike the Earth, but an […]

News

SPIRou stares at a young rebel: the AU Mic planetary system

SPIRou, the new spectropolarimeter / high-precision velocimeter recently installed on the 3.6m Canada-France-Hawaii Telescope (CFHT), allowed to measure the mass and density of a close-in Neptune-like planet orbiting the hugely-active […]

News

Neo-Narval, a new instrument at the summit of the Pic du Midi

Exoplanets are on a roll! This is evidenced by the 2019 Nobel Prize in Physics awarded to the Swiss Michel Mayor and Didier Queloz for their discovery of the first […]

News

Multiple rings in protoplanetary disks: one planet to govern them all

Recent observations of protoplanetary disks, these planetary systems in formation, frequently reveal sequences of dark and bright rings. While these structures are often attributed to multiple planets, numerical simulations show […]

News

ESO Telescope Sees Surface of Dim Betelgeuse

Using ESO’s Very Large Telescope (VLT), astronomers have captured the unprecedented dimming of Betelgeuse, a red supergiant star in the constellation of Orion. The stunning new images of the star’s […]

PS2E Observations services

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