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Le 29 janvier 2016 De 10h30 à 12h00 Mirel BIRLAN IMCCE, Observatoire de Paris M4AST (Modelling for asteroids) is a tool devoted to model and interpret spectra data in the visible and near-infrared of asteroids. It is composed by an asteroid spectral database and a set of...
Le 11 décembre 2015 De 10h30 à 12h00 Ulrich BASTIAN ARI, Heidelberg According to the official plan, the first astrometric data releases from Gaia are expected by mid 2016 (positions only) and mid 2017 (incl. parallaxes and proper motions). This is the time needed to collect...
Le 27 novembre 2015 De 10h30 à 12h00 Hervé DOLE Institut d'Astrophysique Spatiale, Orsay Le satellite Planck, pierre angulaire de l’ESA dédiée à la cosmologie et lancé en 2009, a observé la totalité du ciel pendant près de 2 ans et demi, et mesuré le fond diffus...
Le 18 novembre 2015 De 14h00 à 15h00 Anaïs GONNEAU Instituto de Astrofisica de Canarias The X-shooter Spectral Library (XSL) is a state-of-art stellar spectral library, which will be a benchmark library for stellar population studies in the era of James Webb Space Telescope...
Le 13 novembre 2015 De 10h30 à 12h00 Coralie NEINER Observatoire de Paris I will present the latest observational results obtained on the magnetic fields of massive stars thanks mainly to large spectropolarimetric programs. I will discuss the origin of these magnetic fields,...
Le 6 novembre 2015 De 10h30 à 12h00 Else STARKENBURG AIP Potsdam Resolved stellar spectroscopy presents us with "archaeological" evidence about chemical enrichment processes back to the earliest times. In this talk I will review the very early (chemical) evolution of the...
Le 30 octobre 2015De 10h30 à 12h00 Eddie SCHLAFLY MPIA Heidelberg The dust extinction curve is an important diagnostic of the physics of the interstellar medium, as well as a critical element to many observational programs. Detailed studies of the extinction curve and...
Le 23 octobre 2015De 10h30 à 12h00 Antonino Di Piazza Max-Planck-Institut fur Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany Classical electrodynamics (CED) and quantum electrodynamics (QED) are well established physical theories and their predictions have been conrmed...
Le 16 octobre 2015 De 10h30 à 12h00 Henri BOFFIN ESO, Paranal Most stars are born and live in binary systems, and will often interact in one way or another. The study of binary stars is therefore critical to apprehend many of the most interesting classes of stars. Moreover,...
Le 9 octobre 2015 De 10h30 à 12h00 Eline TOLSTOY Kapteyn Astronomical Institute, Groningen I will talk about how resolved stellar populations in the nearby Local Group dwarf galaxies have been used to study the detailed chemical, kinematic and star formation history of...