The building blocks of the Milky Way halo using APOGEE and Gaia or Is the Galaxy a typical galaxy?
Abstract
We summarise recent results from analysis of APOGEE/Gaia data for stellar populations in the Galactic halo, disk, and bulge, leading to constraints on the contribution of dwarf galaxies and globular clusters to the stellar content of the Milky Way halo. Intepretation of the extant data in light of cosmological numerical simulations suggests that the Milky Way has been subject to an unusually intense accretion history at z ≳ 1.5.
- Publication:
-
Star Clusters: From the Milky Way to the Early Universe
- Pub Date:
- 2020
- DOI:
- arXiv:
- arXiv:2002.08380
- Bibcode:
- 2020IAUS..351..170S
- Keywords:
-
- Galaxy: halo;
- Galaxy: abundances;
- Galaxy: stellar content;
- Galaxy: globular clusters: general;
- Galaxy: formation;
- Galaxy: evolution;
- Astrophysics - Astrophysics of Galaxies
- E-Print:
- To Appear in "Star Clusters: From the Milky Way to the Early Universe ", Proceedings of IAU Symposium No. 351, 2019, A. Bragaglia, M.B. Davies, A. Sills &