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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...
Le 16 juin 2017 De 10h30 à 12h00 Sue Madden CEA The interstellar medium (ISM) of galaxies harbors the reservoir of metals deposited over the history of star formation of a galaxy and contains the imprint of the astrophysical processes governing a galaxy's evolution....
Le 22 mai 2017 De 14h00 à 15h30 Christian Wolf ANU The SkyMapper Southern Survey is now approaching its first large data release, covering nearly all of the Southern hemisphere in six optical bands. This talk will cover all aspects of the project, from its history and...
Le 19 mai 2017 De 10h30 à 12h00 Ulrich Geppert University of Zielona Góra, Poland For neutron stars to emit radio waves, certain conditions must be met on their polar cap. I will shortly introduce them and present the model of the partially screened gap in which the charges...