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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...
Le 5 septembre 2014 De 10h30 à 12h00 Alan PEYAUD CEAIn order to benefit from the expected high luminosity performance that will be provided by the Phase-I [2018] upgraded LHC, the first station of the ATLAS muon end-cap system (Small Wheel, SW) will need to be replaced. The...
Le 4 juillet 2014 De 10h30 à 12h00 Emanuele NardiniUniversity of Keele, UKAccretion onto supermassive black holes (SMBHs) located in the centre of active galaxies is one of the most significant energy sources in the Universe. Since the X-ray emission of Active Galactic Nuclei...
Le 20 juin 2014 De 10h30 à 12h00 Morgan FOUESNEAU MPIA HeidelbergAfter 4 years, The Panchromatic Hubble Andromeda Treasury (PHAT) program is complete. PHAT can now offer the ability to view the stars and the ISM together in M31, which is essential to understand the complex...
Le 19 juin 2014 De 10h30 à 12h00 Luciano Rezzolla Institute of Theoretical Physics, Frankfurt, Germany The merger of a binary system of compact objects (neutron stars or black holes) is expected to be a strong source of gravitational waves, but will also be accompanied by an...
Le 13 juin 2014 De 10h30 à 12h00 Carsten WEIDNER Instituto de Astrofísica de CanariasRecent evidence based independently on spectral line strengths and dynamical modelling of massive early-type galaxies (ETG) point towards a non-universal stellar initial mass function (IMF),...