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Le 19 juin 2018 De 12h45 à 13h45 Karina Voggel (Utah Uni.)"The hunt for super-massive black holes in UCDs - Stripped nuclei as tracers of the assembly history of a Galaxy Cluster”Abstract: Central super-massive BHs (SMBHS) have been discovered in five high mass ultra-compact...
Le 15 juin 2018 De 10h30 à 12h00 Paul-Antoine Hervieux & Giovanni Manfredi Université de Strasbourg Depuis son lancement en 2010, notre équipe fait partie du projet international GBAR (Gravitational Behavior of Antihydrogen at Rest, http://gbar.web.cern.ch/) qui vise à mesurer...
Le 12 juin 2018 De 12h45 à 13h45 Frederic Marin (ObAS)An exceptional disclosure of the hidden AGN in NGC 1068 thanks to 50 years of broadband polarimetric observationIn this contribution, I present the first broadband polarization spectrum of an active galactic nuclei (AGN) by...
Le 5 juin 2018 De 12h45 à 13h45 Paolo Bianchini (McMaster University/ObAS)A three-dimensional view of the internal rotation of globular clustersGlobular clusters (GCs) are old stellar systems for long considered spherical and non-rotating. However, in recent years, an...
Le 1 juin 2018 De 10h30 à 12h00 Wim de Boer Karlsruhe Institute of Technology The so-called Fermi-excess in the diffuse Galactic gamma-ray sky is observed as a shift of the maximum in the E^2 weighted gamma-ray spectrum from 0.7 GeV to around 2 GeV. Such a shift can be...
Le 29 mai 2018 De 12h45 à 13h45 François-Xavier Pineau (ObAS) Results of probabilistic cross-matches taking into account photometric parameters. After a brief introduction to the statistical basis and practical limitations of multi-catalogue positional cross-matches, we...
Le 25 mai 2018 De 10h30 à 12h00 Maria Bergemann MPIA Heidelberg The evolution of our Galaxy has been a subject of extensive studies over the past decades. A qualitative understanding of its major building blocks is now in place. Yet, the detailed history of the Milky Way...
Le 18 mai 2018 De 10h30 à 12h00 Nikolay Kacharov MPIA Heidelberg In this talk I will introduce some of the open questions in the field of globular clusters and nuclear star clusters. As one part of the colloquium, I will talk about the multiple populations phenomenon in...
Le 15 mai 2018 De 12h45 à 13h45 Kim Venn (University of Victoria) Analyses of Metal-Poor stars in the CFHT Pristine SurveyThe Pristine Survey is a narrow-band photometric survey focused on the metallicity-sensitive Ca H & K lines and conducted in the...
Le 4 mai 2018 De 11h15 à 12h30 Ortwin Gerhard MPE Garching The central few kpc of our Galaxy, the Milky Way, are dominated by the gravitational field of the Galactic bar. This talk describes dynamical models of the bar and box/peanut bulge, and what we have learnt from...