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Le 24 mai 2019 De 10h30 à 12h00 Dipanjan Mitra National Centre for Radio Astrophysics, Tata Institute of Fundamental Research Collective plasma emissions in astrophysics are referred to as coherent emission. Radio emission from pulsars are coherent in nature,and observations...
Le 17 mai 2019 De 10h30 à 12h00 Giuseppina Battaglia Instituto de Astrofísica de Canarias The dwarf galaxies inhabiting the Local Group (LG) can be studied from a currently unique perspective, that of resolved stellar populations. It is for these systems that with present-day...
Le 26 avril 2019 De 10h30 à 12h00 Françoise Genova ObAS Le Ministère de l'Enseignement Supérieur, de la Recherche et de l'Innovation a publié en juillet 2018 son "Plan National pour la Science Ouverte". C'est un sujet "chaud" au niveau politique depuis plusieurs années,...
Le 12 avril 2019 De 10h30 à 12h00 Sébastien Derrière ObAS Besides its well-known services like SIMBAD and VizieR, a number of new services haveemerged in the recent years, like the cross-match service and CDS portal, but also morerecent ones which people might not be aware...
Le 5 avril 2019 De 10h30 à 12h00 Christian Fendt MPIA Heidelberg I will present MHD simulations investigating the launching of astrophysical jets. The simulations treat the time-dependent evolution of the accretion-ejection structure and the subsequent collimation of the disk...
Le 22 mars 2019 De 10h30 à 12h00 Maxime Trebitsch IAP Cosmic reionization is one of the last major milestones in the evolution of the Universe. In roughly one billion years, the bulk of the hydrogen in the Universe is fully ionized by the radiation produced by early galaxies...
Le 15 mars 2019 De 10h30 à 12h00 Luc Dessart Observatoire de la Côte d'Azur Nearly all stars above 8Msun eventually form a degenerate metal-rich core and collapse. This collapse may be followed by a powerful, neutrino-driven, explosion ejecting several solar masses of...
Le 8 mars 2019 De 10h30 à 12h00 Simona Vegetti (MPA) The nature of dark matter is one of the most important unsolved problems of modern astrophysics, and strong gravitational lensing is a very promising tool to tackle this issue because the physics of dark matter strongly...
Le 1 mars 2019 De 10h30 à 12h00 Christophe Pichon...
Le 22 février 2019 De 10h30 à 12h00 Fabien Louvet (Universidad de Chile) Star formation is a key astrophysical process. At a small scale, it governs the settling of planetary systems, and the complex chemistry allowing the emergence of life. At large scale, star formation...