Seminar

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18 February 2020

Big Data, The Cannon & The Bulge

Le 20 mars 2015 De 14h00 à 15h00 Melissa NESS MPIA, Heidelberg  I will present The Cannon, a method that uses a model built directly from the spectra of only 550 stars, to determine stellar parameters (of Teff, log g, [Fe/H] and [alpha/Fe]) for 150,000 stars in the APOGEE...

18 February 2020

Shedding light on the dark side of our Universe

Le 13 mars 2015 De 10h30 à 12h00 Ippocratis SALTAS Center of Astronomy and Astrophysics, University of Lisbon, PortugalThe main topic of this talk will be the challenges one faces when trying to explain the observed late-time acceleration of our Universe both from a theoretical...

18 February 2020

The MESSIER satellite: unveiling galaxy formation

Le 16 février 2015 De 14h00 à 15h00 David VALLS-GABAUD LERMA, Obs. Paris The MESSIER satellite has been designed to explore the extremely low surface brightness universe at UV and optical wavelengths. The two driving science cases target the mildly- and highly non-linear...

18 February 2020

Data and Analysis Centre for Exoplanets

Le 13 février 2015 De 10h30 à 12h00 Nicolas BUCHSCHACHER Observatoire de Genève The Data Analysis Center for Exoplanets (DACE) is a facility based at the University of Geneva (CH) dedicated to extrasolar planets data visualisation, exchange and analysis. DACE is a platform...

18 February 2020

Shearing and shaping the dwarf galaxies of the Local Group

Le 6 février 2015 De 10h30 à 12h00 Noam LIBESKIND AIP, Potsdam Dwarf galaxies are the smallest yet most most abundant cosmological objects in existence. Yet owing to their low luminosity, they can only be seen in the immediate neighborhood of the Milky Way, a region known...

18 February 2020

The formation of giant planets on snowlines

Le 30 janvier 2015 De 10h30 à 12h00 Mohamad Ali-Dib Observatoire de Besançon   The properties and chemical compositions of giant planets strongly depend on their formation locations. The formation mechanisms of the ice giants Uranus and Neptune, and their elemental and...

18 February 2020

First science with MUSE: an overview

Le 16 janvier 2015 De 10h30 à 12h00 Roland BACON CRAL Lyon Six months after the start of science  operation and just a year after its first light, the 2nd generation VLT panoramic integral field spectrograph MUSE has already produced new science results. After a short...

18 February 2020

Cosmological simulations of structure formation

Le 19 décembre 2014 De 10h30 à 12h00 Benjamin L'HUILLIER Korea Institute for Advanced Study, Seoul Cosmological simulations have become a powerful tool to describe the non-linear regime of structure formation. After reviewing the main aspects of cosmological simulations, I...

18 February 2020

Looking for the identity of the dark matter in our backyard

Le 15 décembre 2014 De 14h00 à 16h00 Carlos FRENK Institute for Computational Cosmology, University of Durham One of the most impressive advances in Physics in the past three decades is the development of the ``standard model of cosmology,'' LCDM (where L stands for...