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Le 9 novembre 2012 À 10h30 Salle de Cours - Grande Coupole Paola DI MATTEO Observatoire de Paris Galaxy structures form and evolve through a variety of physical processes which induce angular momentum exchange and redistribution of stellar orbits. As a consequence, stars may...
Le 26 octobre 2012 À 10h30 Salle de Cours - Grande Coupole Mathieu SERVILLAT CEA Saclay / Harvard-Smithsonian CfA The population of quiescent X-ray binaries and the ultra-luminous X-ray sources are two classes of X-ray binaries for which the nature is still debated. The latter...
Le 12 octobre 2012 À 10h30 Salle de Cours - Grande Coupole Frans KLINKHAMER Karlsruher Institut für Technologie, Allemagne A brief introduction to the notorious ``cosmological constant problem" is given. Then, a particular approach is discussed, which has been developed by...
Le 5 octobre 2012 À 10h30 Salle de Cours - Grande Coupole Iwona MOCHOL MPIK Heidelberg, Allemagne Fast spinning, highly magnetized neutron stars deposit their rotational energy in a relativistic wind. This outflow is a mixture of plasma, produced close to the star, and strong...
Le 14 septembre 2012 À 10h30 Salle de Cours - Grande Coupole Yohan DUBOIS IAP Feedback processes are thought to solve some of the long-standing issues of the numerical modeling of galaxy formation: over-cooling, low angular momentum, massive blue galaxies, extra-galactic...
Le 7 septembre 2012 À 10h30 Salle de Cours - Grande Coupole Andreas JUST ARI Heidelberg, Allemagne Many fundamental questions about the structure and evolution of the Milky Way disc are still under debate: What are the radial scale lengths of thin and thick disc? Why is there...