par admin-osu | Fév 21, 2025 | Séminaires
Understanding metal enrichment in the earlyUniverse through quasar spectroscopy Speaker : Valentina D’Odorico Abstract : Chemical elements heavier than helium – commonly referred to as “metals”in astrophysics – are synthesized by stars and distributed in...
par admin-osu | Fév 14, 2025 | Séminaires
Understanding the first galaxies Speaker : Séminaire Joe Lewis Institut Astrophysique de Paris Abstract : The James Webb Space Telescope has ushered in a new era for the studyof the first galaxies. However, large gaps persist in our knowledge. Indeedthe most...
par admin-osu | Fév 7, 2025 | Séminaires
Detecting Earth-analogs with radialvelocities and photometry Speaker : Nathan Hara (LAM, Marseille) Abstract : Understanding how planets form and searching for life beyond Earth aretwo key goals in exoplanet research. To make progress on both fronts, it iscrucial...
par admin-osu | Jan 31, 2025 | Séminaires
New tools from wave topology for asteroseismology Speaker : Armand Leclerc (ENS Lyon) Abstract : Asteroseismology studies waves in stars and uses them to infer what their internal structure is. Today, hundreds of stars of every kind show oscillations which...
par admin-osu | Déc 20, 2024 | Séminaires
Galaxy-halo connection in cosmology with wide spectroscopicsurveys Speaker : Antoine Rocher EPFL, Switzerland Abstract : Since the early 2000s, wide spectroscopic surveys, in particular multi-fibreexperiments, have provided significant insights into the...