Le 15 septembre 2017
De 10h30 à 12h00

Sebastien Guillot Pontificia Universidad Católica de Chile   Neutron stars are fantastic cosmic...

Le 6 octobre 2017
De 10h30 à 12h00

Giulia Migliori CEA

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Accueil   >   Recherche   >   Séminaires et réunions   >   Séminaires hebdomadaires : The LEGA-C Spectroscopic Survey of z ~ 1 Galaxies

The LEGA-C Spectroscopic Survey of z ~ 1 Galaxies

Le 24 mars 2017
De 10h30 à 12h00

Arjen van der Wel

MPIA Heidelberg

We have precise constraints on the evolution of the cosmic stellar mass density and how stars are distributed over galaxies with different masses, sizes and morphologies. The next challenge is to decipher the observed evolution of the population and infer the evolution of individual galaxies. This requires high-quality spectroscopic data of galaxies at large lookback time, which is provided by LEGA-C, a Public Spectroscopic Survey at the VLT. These new data enable us to measure for the first time for distant galaxies their stellar populations and kinematics. I will present the first set of results from LEGA-C for z~1 galaxies: 1) directly measured star-formation histories; 2) a tight relationship between star-formation activity and dynamical structure; 3) stellar rotation curves.




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