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Le 12 décembre 2014 De 10h30 à 12h00 Chris Done University of Durham, UK Black hole spin is difficult to measure as it leaves an imprint only close to the horizon, but it may be required to produce most dramatic relativistic jets seen in the flat spectrum radio quasars (FRII)...
Le 5 décembre 2014 De 10h30 à 12h00 Jonathan Stern Max-Planck-Institut für Astronomie, Heidelberg Photo-ionization modelling of emission and absorption lines is widely used to derive metal abundances in quasars and star forming regions, constrain quasar and stellar spectra...
Le 28 novembre 2014 De 10h30 à 12h00 David EDEN Observatoire astronomique de Strasbourg The role of spiral arms in the star-formation process is unclear but the production of a quantitative relationship between changes in the star-formation efficiency, and stellar initial mass...
Le 21 novembre 2014 De 10h30 à 12h00 Giacomo MONARI Observatoire astronomique de Strasbourg I present a short summary of Hamiltonian Mechanics and how it can be used to understand the structural and kinematic properties of the Milky Way. I start with the most relevant basic...
Le 20 novembre 2014 De 12h30 à 13h30 Benjamin MOSTER Cambridge University The field of galaxy formation is on the cusp of a tide of new data. To understand these in the context of an evolutionary picture, we need models that interpret the observed trends. Hydrodynamical...
Le 14 novembre 2014 De 10h30 à 12h00 Sacha HONY Institute of Theoretical Astrophysics, ZAH, University of Heidelberg The rate with which interstellar gas is converted into stars, and its dependence on environment, is one of the pillars on which our understanding of the visible...
Le 13 novembre 2014 De 11h00 à 12h00 Francesco KITAURA AIP Potsdam The present-day mass density field contains information about the fundamental pillars of cosmology. It is a mixture and cross-talk between the primordial density fluctuations, the law of gravity and the value...
Le 10 novembre 2014 De 10h00 à 11h00 HongSheng ZHAO University of St Andrews Relativistic effects are generally second order or higher in galaxies and clusters. Here I discuss how modern instrumentation and large data are making such measurements feasible. These measurements...
Le 7 novembre 2014 De 10h30 à 12h00 Adriano FONTANA INAF-Osservatorio Astronomico di Roma In the first part of the talk I will summarize the recent results obtained by the latest ultradeep surveys, like HUDF, CANDELS, HUGS, related to the search and study of very high...
Le 31 octobre 2014 De 10h30 à 12h00 Sascha TRIPPE Seoul National University Intensity interferometry, based on the Hanbury Brown-Twiss effect, is a simple and inexpensive method for optical interferometry at microarcsecond angular resolutions; its use in astronomy was...