Astrometry & Astrophysics : an insight into the Gaia space mission

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 in-orbit since 2014.

The overview will encompass the Science mission objectives, spacecraft key-features, in-orbit operation challenges, ground data processing, astronomy institutes involved, history of this European space programme and some examples of Science results.

This insight will provide an « engineer’s view » on one ongoing space mission to illustrate that flying machine design & operations are very complex/innovative and they are sine-qua-non conditions to allow astrometry & astrophysics discoveries by the astronomy community.

Plus d'actualités

Measuring distances in astrophysics

le 4 septembre 2026, 10h45 à 12h45, Katia Ferrière, salle Jules Verne, OMP, site Belin Summary: I will take you on a cosmic journey from the Earth to the far reaches of the observable Universe. We will first spend some time in the solar system, where I will show how the radius of the Earth […]

A Universe of Waves

le 11 septembre 2026, 10h45 à 12h45, Arturo Lopez-Ariste, salle Coriolis, OMP, site Belin Summary: 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 […]

Finding new and extreme objects in the Universe

le 18 septembre 2026, 10h45 à 12h45, Natalie Webb, salle Jules Verne, OMP, site Belin Summary: Thanks to large surveys such as those carried out with Gaia, Pan-STARRS, the Sloan Digital Sky Survey (SDSS), 2MASS, NVSS, XMM-Newton and Chandra, we have catalogued many stars and galaxies, as well as exotic objects, especially when we observe […]

Rechercher