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Le 23 mai 2014 De 10h30 à 12h00 Filippo FRATERNALI University of Bologna - University of GroningenGas accretion is required to feed the star formation in disc galaxies throughout cosmic time. However, observational evidence for infalling gas clouds is rather scant. Cosmology...
Le 16 mai 2014 De 10h30 à 12h00 Bernhard ARINGER University of ViennaSome of the most important issues affecting models and spectra of cool stellar objects will be discussed. Special emphasis will be given to the role of molecular and dust opacities and to the problems...
Le 11 avril 2014 De 10h30 à 12h00 Glenn VAN DE VEN MPIA - HeidelbergThe Calar Alto Legacy Integral Field Area (CALIFA) survey is the first ongoing integral-field spectroscopic survey of a diameter-selected (45" < D_25 < 80") sample of up to 600 galaxies in the local...
Le 27 mars 2014 Pierre BrunCEA Saclay, Irfu L'astronomie gamma au sol est entrée dans une phase mûre avec le succès des réseaux de télescopes Tcherenkov au sol HESS, MAGIC et VERITAS. Les grandes sensibilités de ces instruments permettent à présent d'utiliser l'univers à...
Le 21 mars 2014 J.G. Kirk Max-Planck-Institut für Kernphysik, Heidelberg, Germany Pulsar winds are made up of low density, magnetized, relativistic plasmas. When they impact the interstellar medium, they form a shock front which accelerates the particles responsible for Pulsar...
Le 14 mars 2014 De 10h30 à 12h00 Martin FEIX Technion - HaifaPeculiar motion introduces systematic variations in the observed luminosity distribution of galaxies. This allows one to measure cosmological bulk flows and to reconstruct the peculiar velocity field from large...
Le 7 mars 2014 De 10h30 à 12h00 Ylva SCHUBERTH BonnGiant elliptical galaxies are surrounded by very populous Globular Cluster (GC) systems. With the advent of 8-m Class telescopes, it has become possible to obtain spectra of GCs at Virgo and Fornax Cluster distances,...
Le 28 février 2014 De 10h30 à 12h00 Jean-Philippe BRUNETON LUTH, Observatoire de ParisStandard cosmology is based on the Cosmological Principle which states that the Universe is homogeneous and isotropic. In order to go beyond that approximation, one shall take into account...
Le 21 février 2014 De 10h30 à 12h00 Aurélien HEES JPL, CaltechI will briefly review the principles upon which General Relativity (GR) is built. I will also review the main effects produced by GR in the Solar System. Motivations for considering alternative theories of...
Le 14 février 2014 De 10h30 à 12h00 Georges KORDOPATIS University of Cambridge, UK Galactic archaeology aims to unravel the sequence of events that have taken place during the history of the Milky Way, in order to understand how our Galaxy evolved. The investigation is done...