7 mai 2019
Astrophysics Departement-CEA Saclay
Fuseau horaire Europe/Paris

Measuring Large-Scale Inhomogeneities of Metals

7 mai 2019, 14:00
20m
Astrophysics Departement-CEA Saclay

Astrophysics Departement-CEA Saclay

Orme des Merisiers, Batiment 709 91191 Gif sur Yvette Salle Cassini

Orateur

Sean Morrison (LAM)

Description

We are measuring the large scale of inhomogeneity of metals, which are expected to be associated with large scale proximity to quasars. These inhomogeneities are currently traced by combining oxygen, helium and hydrogen absorption, which exhibit variations on scales of ~10 cMpc and scales >200 cMpc. We are now exploring the association with directly observed quasar positions.

Auteur principal

Sean Morrison (LAM)

Co-auteurs

Matthew Pieri (Laboratoire d'Astrophysique de Marseille) David Syphers Tae-Sun Kim

Documents de présentation