Séminaires

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18 février 2020

The road to the first galaxies: challenges and discoveries

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...

18 février 2020

How To Resolve O-Stars in the Magellanic Clouds

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...

18 février 2020

How do nuclear star clusters in early-type galaxies form?

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...

18 février 2020

Spiral Arms in Numerical Simulations of Disc Galaxies

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...

18 février 2020

Gaz et métaux dans les halos des galaxies

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...

18 février 2020

Dark Matter in the Galaxy

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...

18 février 2020

ATLAS-NSW – A Micromegas perspective

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...

18 février 2020

High energy processes around supermassive black holes: an X-ray view

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...

18 février 2020

Star formation from a photometric end point

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...

18 février 2020

Merging binaries of compact objects in full general relativity

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...