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Yohan Dubois

Morphology of galaxies in the cosmic web

Évènements associés

  • Le jeudi 16 mai 2019 de 11:00 à 12:00 - lieu : Salle 204, bât. Evry Schatzman (18), Meudon

Galaxies form in the cosmic filamentary network from accretion of gas and mergers, which induce specific signatures in galaxy properties. By means of hydrodynamical cosmological simulations, I will show how the morphological properties of galaxies are built through their acquisition of new material. Those simulations can be used to infer alignement properties of galaxies in the cosmic web as well as the distribution of matter on large-scales, two key aspects for future dark energy surveys such as Euclid.