Astro lunch 13.02.2018
Le 13 février 2018 De 12h45 à 13h45 Sebastien Derriere (ObAS) Don't fear the media : making press releases and dealing with journalists Fichiers : AstroLunch2018_SD_01.pdf (1.5...
18 février 2020
18 février 2020
Magnetic Fields and Cosmic Ray Transport in Edge-on Spiral Galaxies from the CHANG-ES Sample
Le 9 février 2018 De 10h30 à 12h00 Yelena Stein Observatoire astronomique de Strasbourg The main topic of this talk are magnetic fields and the transport processes of cosmic ray particles. This is investigated in the three edge-on galaxies NGC 4666, NGC 4013 and NGC 4217...
18 février 2020
The evolution of Galactic globular clusters: inspirals and mergers
Le 2 février 2018 De 10h30 à 12h00 Alessandra Mastrobuono-Battisti MPIA Globular clusters (GCs), for long considered single stellar populations, recently revealed their real complex nature. Most of them, if not all, indeed host multiple stellar populations and few very...
18 février 2020
The quantum vacuum from the point of view of non linear electrodynamics
Le 26 janvier 2018 De 10h30 à 12h00 Carlo Rizzo Université Toulouse III Paul Sabatier Laboratoire National des Champs Magnétiques Intenses CNRS UPR 3228 I will first give the description of a quantum vacuum in the framework of non linear electrodynamics. I will further...
18 février 2020
The Characterization of Exoplanet Atmospheres: Major Developments underway
Le 19 janvier 2018 De 10h30 à 12h00 Pierre-Olivier Lagage CEA The last twenty years have witnessed an exceptionally fast development in the field of the extra solar planets. The known exoplanets, almost 4000 to date, show how diverse the planets in our galaxy can be. While the...
18 février 2020
Star Formation History of galaxies as probed by their Spectral Energy Distributions
Le 12 janvier 2018 De 10h30 à 12h00 Laure Ciesla CEA Galaxies follow a bimodality in both color and morphology. They are seperated in star-forming and passive galaxies. Although observational evidences suggest that the mass and the environnement of a galaxy play a key role...
18 février 2020
A short tour through the Lyman-α Universe
Le 22 décembre 2017 De 10h30 à 12h00 Max Gronke UC Santa Barbara The Lyman-alpha (Lya) of neutral hydrogen is the most prominent emission line in the Universe, and since its it provides a unique window into the high redshift Universe. I will discuss some examples of how...
18 février 2020
The impact of energetic phenomena on evolving galaxies — what can we learn from cosmological simulations?
Le 15 décembre 2017 De 10h30 à 12h00 Michaela Hirschmann IAP I give a review over the success and limitations of models for stellar and AGN feedback adopted in modern cosmological simulations, highlighting the need for feedback to predict realistic galaxy and black hole...
18 février 2020
Modeling of the Galactic subhalos and phase space for particle dark matter searches
Le 8 décembre 2017 De 10h30 à 12h00 Martin Stref Montpellier The particle dark matter scenario is currently being probed by direct and indirect searches experiments. Making prediction for these experiments requires a knowledge of the Galactic dark matter phase space...
18 février 2020
Planet 9 in the Solar System? Why is it necessary, and how could we discover it?
Le 4 décembre 2017 De 10h00 à 12h00 Hervé Beust IPAG In a now famous paper, Batygin & Brown (2016) claimed that the orbital configuration of the outermost scattered Kuiper belt objects (KBOs) discovered so far imply the presence of an additional, external ~10 Earth...