PS2E

Physics of the Sun, Stars and Exoplanets

HiRISE: Length of day on a Jupiter-like exoplanet

Thanks to the HiRISE instrument, scientists from CNRS Terre & Univers have been able to characterize the young Jupiter-like exoplanet AF Lep b. Direct measurement of the light emitted by […]

15.04.2025

SPIRou discovers new super-Earth neighboring our solar system

An international team led by researchers from the Institut de Recherche en Astrophysique et Planétologie (1) in Toulouse, the Institut de Planétologie et d’Astrophysique de Grenoble (2) , the Laboratoire […]

14.04.2025

Extreme supersonic winds measured on planet outside our Solar System

Astronomers have discovered extremely powerful winds pummeling the equator of WASP-127b, a giant exoplanet. Reaching speeds up to 33 000 km/h, the winds make up the fastest jetstream of its […]

22.01.2025

SPIRou decodes the bursts of a protostar

A research team at IRAP (CNRS Terre & Univers, Université de Toulouse III & CNES) has just deciphered the origin of periodic light bursts from the protostar V347 Aurigae in […]

30.10.2024

Pascal PETIT, laureate of the André Lallemand Prize of the French Academy of Sciences

Pascal PETIT, astronomer at IRAP, receives the André Lallemand prize from the French Academy of Sciences! The award ceremony took place under the dome of the Institut de France on […]

16.10.2024

Discovery of a nascent planet in close orbit around a young star

A study carried out by a team of CNRS Terre & Univers researchers as part of the ERC SPIDI (Star Planets Inner Disk Interactions) project, has revealed the presence of […]

26.03.2024

Discovery of an extrasolar system including a cool sub-Neptune

Since the first discovery of a planet orbiting a star other than the Sun in 1995, over 5000 exoplanets have been detected. However, small, light planets orbiting far from their […]

15.01.2024

Watch out for changing stellar magnetic fields

The 11-year solar activity cycle is a well-known phenomenon, during which the intensity of the Sun’s magnetic field varies and its polarities reverse. Over the past 30 years, astronomers have […]

20.10.2023

Small planets in orbit around red dwarf stars have been detected

An international team, involving CNRS-INSU laboratories, has conducted a study that led to the discovery and characterization of a new planet named TOI-1695b. Barely twice as big and six times […]

13.02.2023

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