Institut de Recherche en Astrophysique et Planétologie

Flying through the plasmasphere to optimize low-energy ion measurements

The Juice flyby of Earth in August 2024 gave us the first chance to evaluate the performance of the Jovian Plasma Dynamics and Composition analyzer (JDC) in environments similar to those expected at Jupiter. JDC is one of the sensors belonging to the Particle Environment Package...

The SRG/eROSITA all-sky survey. X-ray scaling relations of galaxy groups and clusters in the western Galactic hemisphere

The soft X-ray telescope on board the Spectrum-Roentgen-Gamma (SRG) mission, extended ROentgen Survey with an Imaging Telescope Array (eROSITA), has produced the largest sample to date of galaxy groups and clusters detected via their intracluster and intragroup medium emission. S...

Systematic detection of magnetic fields in the cores of red giants

In this presentation, we present the scientific context behind the detection of core magnetic fields in red giants. These fields are one of the most promising phenomena to explain the observed rotation rates in stellar interiors, which cannot be explained by a simple conservation...

New Electron Population Trapped at Low Latitudes Near Jupiter

Abstract We report observations of a low energy (<2 keV), trapped electron population near Jupiter's magnetic equator made by the Jovian Auroral Distributions Experiment (JADE) on Juno. Electron intensity peaks around the location of the minimum magnetic field magnitude along the...