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Le 3 novembre 2017 De 10h30 à 12h00 Chervin Laporte MPA/Victoria I will present self-consistent N-body models of the interaction between Sgr and the Milky Way and show how these relate to various observations of the Galactic Anticenter. In particular, I will show that the...
Le 20 octobre 2017 De 10h30 à 12h00 Hans-Walter Rix MPIA Heidelberg SDSS V will be an unprecedented all-sky, multi-epoch spectroscopic survey of over six million objects. It is designed to decode the history of the Milky Way galaxy, trace the emergence of the chemical...
Le 13 octobre 2017 De 10h30 à 12h00 Daniel Cordier Université de Reims Les planètes du système solaire ont presque toutes un cortège satellitaire. Parmi tous ces satellites, Titan, le plus massif de Saturne, est le seul possédant une atmosphère dite « dense », cette...
Le 6 octobre 2017 De 10h30 à 12h00 Giulia Migliori CEA Relativistic jets are associated with black hole (BH) activity spanning several orders of magnitudes in the BH mass scale, from galactic X-ray binaries to active galactic nuclei (AGNs). Their emission is a tracer of...
Le 29 septembre 2017 De 10h30 à 12h00 Maurizio OTTAVIANI Institut des Recherches sur la Fusion Magnétique, CEA Cadarache This seminar gives an overview of various aspects of plasma theory in the context of magnetic fusion research. After a general introduction on magnetic...
Le 22 septembre 2017 De 10h30 à 12h00 Oliver Müller University of Basel Dwarf galaxies are tracers of the fine-structure of the large-scale structure of the universe, but their predicted distribution from simulations is in serious conflict with observations in the Local...
Le 15 septembre 2017 De 10h30 à 12h00 Sebastien GuillotPontificia Universidad Católica de Chile Neutron stars are fantastic cosmic laboratories to study the most extreme physics. Their intense gravitational fields can provide tests of general relativity and other theories of...
Le 8 septembre 2017 De 10h30 à 12h00 Paul de Fromont Observatoire de Paris Cosmic voids are a prominent feature of the cosmic web and fill the very large majority of our Universe. These last years, these structures have been deeply studied with the aim of constraining...
Le 7 juillet 2017 De 10h30 à 12h00 George Younes George Washington University Magnetars represent the most extreme manifestation of the neutron star population. Their seconds-long rotational periods and large spindown rates imply surface dipole magnetic fields up to 7.0E14 G,...
Le 30 juin 2017 De 10h30 à 12h00 Martin FEIX IAP Spatial modulations in the observed galaxy luminosity distribution (derived from redshifts as distance proxies) trace the radial peculiar velocity field. Using spectroscopic redshift surveys, this signal can be statistically...