Seminar

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18 February 2020

Accéder aux tables de données avec l’Observatoire Virtuel

Le 23 novembre 2012 À 10h30 Salle de Cours - Grande Coupole Gilles LANDAIS, Marc WENGER & Laurent MICHEL Observatoire de Strasbourg Les centres de données en astronomie offrent un paysage d'applications et de bases de données construites sur mesure pour des domaines...

18 February 2020

Mixing processes in disk galaxies

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...

18 February 2020

Physics of the cosmological constant

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...

18 February 2020

Pulsar wind termination shocks

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...

18 February 2020

AGN feedback in hydrodynamical numerical simulations

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...

18 February 2020

A New Milky Way Disc Model

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...