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Le 2 décembre 2016 De 10h30 à 12h00 Jenny SORCE Observatoire astronomique de Strasbourg The local Universe, may well be the best-observed volume of the Universe, it is also a disruptive factor when it comes to observe beyond it. Using positions and peculiar velocities of...
Le 25 novembre 2016 De 10h30 à 12h00 Jonathan CHARDIN Cambridge University, UK What are the main sources that reionized the inter-galactic medium during the first billion year of the Universe: the star forming galaxies or the active galactic nuclei (AGNs)? It has been...
Le 18 novembre 2016 De 10h30 à 12h00 Friedrich-Karl Thielemann, Dept. of Physics, University of Basel We discuss the astrophysical sites responsible for the nucleosynthesis of Fe-group and heavier elements, stating the present status, open problems, and possible solutions....
Le 16 novembre 2016 De 14h30 à 15h30 Chris Done, University of Durham Understanding the accretion flow in AGN has recently become an important cosmological problem as AGN feedback via winds and the jet is now known to control the star formation powered growth of galaxies....
Le 4 novembre 2016 De 10h30 à 12h00 Nicolas LEHNER Notre Dame University, USA L’existence de l'éjection de gaz et des métaux hors des galaxies à très grandes échelles est bien connue depuis plusieurs décennies. L'accrétion de gaz est commune dans les simulations...
Le 21 octobre 2016 De 10h30 à 12h00 Joel Kastner, Rochester Institute of Technology I outline the (short) history of the study of the nearest known young stars that are the potential hosts of orbiting, planet-forming disks and newborn planetary systems, and summarize the...
Le 18 octobre 2016 De 14h00 à 16h00 Gael Chauvin, Université de Grenoble With the development of high contrast imaging techniques and instruments, vast efforts have been devoted during the past decades to detect and characterize lighter, cooler and closer companions to nearby...
Le 14 octobre 2016 De 10h30 à 12h00 Daniele Del Sarto, Université de Lorraine, Institut Jean Lamour, Nancy Magnetic reconnection, process at the basis of several phenomena observed in natural and laboratory plasmas (e.g., solar flares, magnetic storms in the magnetosphere,...
Le 7 octobre 2016 De 10h30 à 12h00 Dominique Meyer, Institut für Astronomie und Astrophysik, Universität Tübingen Accretion-driven luminosity outbursts are a vivid manifestation of variable mass accretiononto protostars. They are known as the so-called FU Orionis phenomenon...
Le 30 septembre 2016 De 10h30 à 12h00 Mirek GIERSZ Nicolaus Copernicus Astronomical Center, Varsovie I will very briefly talk about the basic assumptions behind the Monte Carlo method and discuss why this method is so fast and flexible for large star cluster simulations. I...