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OSUG - Terre Univers Environnement OSUG

Séminaire du Jeudi 22 juin 2017

A Journey across Hertzsprung-Russel diagram with 3D hydrodynamical simulations of cool stars

Andrea Chiavassa (Laboratoire Lagrange)
Thursday June 22nd - 11am
IPAG Seminar Room - IPAG

Nowadays, the development of the observational instruments is so high that became very sensitive to the details of stellar surface. The interpretation of the stellar surfaces images, the fundamental parameters, the stellar variability and the planet detection needs realist simulations of stellar convection. Three-­dimensional radiative hydrodynamics simulations of cool stars are essential to a proper and quantitative analysis of these observations. I will present how these simulations across the Hertzsprung-Russel diagram have been (and will be) crucial to prepare and interpret the spectrophotometric, interferometric, astrometric, and imaging observations.


Sous la tutelle de:

tutelles

Sous la tutelle de:

CNRS Université Grenoble Alpes