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Le 1 février 2013 À 10h30 Salle de Cours - Grande Coupole Laura WATKINS MPIA Heidelberg, Allemagne Two members of the M31 satellite population, And XII and And XIV, have extremely high line-of-sight velocities and it has been suggested that they are on their first infall into...
Le 25 janvier 2013 À 10h30 Salle de Cours - Grande Coupole Brandon CARTER LUTH, Observatoire de Paris The original (weak) version of the anthropic principle was about the probability of our situation relative to other alien possibilities. But to understand our Darwinian...
Le 18 janvier 2013 À 10h30 Salle de Cours - Grande Coupole Kostas KOKKOTAS Tübingen, Allemagne Neutron stars are the most compact massive objects in the universe with yet unknown equation of state. During their lifetime they have violent periods during which they are primary...
Le 11 janvier 2013 À 10h30 Salle de Cours - Grande Coupole Marcel PAWLOWSKI AIfA Bonn, Allemagne The Milky Way is surrounded by numerous satellite objects: dwarf galaxies, globular clusters and streams of disrupted systems. I will show that these are part of, and mostly...
Le 14 décembre 2012 À 10h30 Salle de Cours - Grande Coupole Luc DESSART LAM In this talk, I will review the basic properties of supernova light curves and spectra. I will first focus on core-collapse supernovae of Type II, which stem from the explosion of blue- and...
Le 7 décembre 2012 À 10h30 Salle de Cours - Grande Coupole Pavel KROUPA AIfA Bonn, Allemagne The pairing properties of stars and brown dwarfs are used to correct the observed object counts in a number of young populations. Because brown dwarfs are rarely companions to stars,...
Le 30 novembre 2012 À 10h45 Salle de Cours - Grande Coupole Kumiko KOTERA IAP The origin of ultrahigh energy cosmic rays (UHECRs, particles arriving on the Earth with energy 10^17- 10^21 eV) is still a mystery. Candidate sources range from the birth of pulsars to explosions...
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...
Le 16 novembre 2012 À 10h30 Salle de Cours - Grande Coupole Agnès LEBRE & Patrick MAEGHT LUPM Montpellier & IRAP Toulouse Nous avons développé une application dédiée à la spectroscopie stellaire et basée sur l'utilisation - via des protocoles de l'Observatoire...
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...