April 5 Fri 16:00-17:00
NAOJ Seminar
hybrid; Large Seminar Room in Subaru Building and Zoom
詳細は下記からご覧ください。
=============== April 5 Fri===============
Campus：Mitaka
Seminar：NAOJ Seminar
Regularly Scheduled/Sporadic：Regular
Date and time：April 5, 2024 16:00-17:00
Place：Zoom/Large Seminar Room (hybrid)
Speaker：Dr. Chervin Laporte
Affiliation：The Institute of Cosmos Science
Title：The stellar halo as a window on our Galaxy’s formation and dark matter
Abstract:The Galactic stellar halo consists of about 1-2% of the total stellar mass content of the Milky Way. Yet, it provides important clues on the formation of the Galaxy, properties of high redshift galaxies through the study of their resolved stellar populations as well as the nature of dark matter. In this talk, I will introduce the field of near-field cosmology and its goals. I will show how the Gaia mission has helped consolidate our understanding of the formation of the Milky Way but also the nature of dark matter and how numerical simulations are becoming an important tool to interpret observational data and the expected avalanche of data from upcoming spectroscopic/photometric surveys. I will then discuss some of the work we have carried out in our group on the stellar halo, covering the formation history of the Milky Way, interpretation of newly discovered substructures and the interaction of the LMC with the MW through the lens of numerical simulations.
Facilitator
-Name：Joten Okamoto