le 7 octobre 2022, 11h à 13h, Sébastien Guillot, salle Jules Verne, OMP, site Belin Neutron stars are the extremely dense compact remnants of supernova explosions. Despite over 50 years of observations of neutron stars at all wavelengths, the composition and properties of the matter inside their core remain unknown because such densities are not […]
le 16 septembre 2022 de 11h00 à 13h00, Sylvestre Maurice, salle Jules Verne, OMP, site Belin
le 23 septembre 2022, 11h à 13h, Katia Ferrière, salle Jules Verne, OMP, site Belin Magnetic fields are ubiquitous in the Universe. Most celestial bodies, from planets to stars to galaxies, appear to be magnetized. Even intergalactic space could be threaded by a magnetic field. Cosmic magnetic fields generally play an important role. They affect […]
le 30 septembre 2022, 11h à 13h, Natalie Webb, salle Jules Verne, OMP, site Belin Thanks to large surveys such as Gaia, the Sloan Digital Sky Survey (SDSS), GALEX, 2MASS, NVSS, FIRST, XMM-Newton and Chandra, we have catalogued many different stars and galaxies. We have also found some very exotic objects, especially when we observe […]
le 9 septembre 2022, 11h à 13h, Louise Mousset, salle Jules Verne, OMP Resumé: The measurement of the B-mode polarization of the Cosmic Microwave Background (CMB) is one of the major challenges of observational cosmology. The signal is expected to be of the order of a few tens of nK, prone to instrumental systematic effects and […]
le 2 septembre 2022, 11h à 13h, Arturo Lopez Ariste, salle Jules Verne, OMP Resumé: The phase of a wave can only be defined unambiguously for complex waves. This strange quantity appears at the core of all physics: from the quantification of atomic levels or of the electric charge to the source of the electromagnetic interaction […]
le 17 novembre 2021, 14h00 à 16h00, Philippe Tatry, salle de conférence, IRAP, site Roche Philippe TATRY (Airbus Space Systems) will present the Gaia space mission that is dedicated to compile a 3D space catalogue of more than 1 billion stars, celestial objects, … based on a huge volume of astrometry & astrophysics data collected […]
le 29 novembre 2021, 13h30 à 15h30, Frédéric Pitout, salle de conférence, IRAP, site Roche
le 24 novembre 2021, 10h15 à 12h15, Natalie Webb, salle de conférence, IRAP, site Roche Thanks to large surveys such as Gaia, the Sloan Digital Sky Survey (SDSS), GALEX, 2MASS, NVSS, FIRST, XMM-Newton and Chandra, we have catalogued many different stars and galaxies. We have also found some very exotic objects, especially when we observe […]