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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...
Le 28 octobre 2014 De 14h00 à 15h00 Mariya LYUBENOVA Kapteyn Astronomical Institute, Groningen Observations made over the last few decades have shown that nucleation is a common phenomenon in the centres of all types of galaxies, with a minimum 65% hosting nuclear star...
Le 10 octobre 2014 De 10h30 à 12h00 Daisuke KAWATA Mullard Space Science Laboratory Recently numerical simulation studies, including Grand, Kawata & Cropper (2012ab, 2013), are claiming that the long-lived spiral arms suggested by the classical density wave theory of Lin...
Le 26 septembre 2014 De 10h30 à 12h00 Nicolas LEHNER University of Notre Dame Au cours de ces dernières années, nous avons appris à apprécier l'importance du gaz autour des galaxies pour la formation des galaxies et leur évolution. Je vais brièvement rappeler...
Le 19 septembre 2014 De 10h30 à 12h00 Observatoire astronomique de Strasbourg - Amphithéâtre Grande Coupole Tilmann PIFFL Oxford University There is over-whelming evidence for the presence of a dark matter halos around external galaxies and galaxy clusters. For our own Galaxy...