no code implementations • 2 Dec 2020 • David S. Aguado, Vasily Belokurov, G. C. Myeong, N. Wyn Evans, Chiaki Kobayashi, Luca Sbordone, Julio Chanamé, Camila Navarrete, Sergey E. Koposov
The Gaia Sausage (GS) and the Sequoia represent the major accretion events that formed the stellar halo of the Milky Way.
Astrophysics of Galaxies
no code implementations • 8 Sep 2020 • Madeline Lucey, Keith Hawkins, Melissa Ness, Victor P. Debattista, Alice Luna, Martin Asplund, Thomas Bensby, Luca Casagrande, Sofia Feltzing, Kenneth C. Freeman, Chiaki Kobayashi, Anna F. Marino
Currently, it is unclear if the metal-poor stars in the bulge ([Fe/H] < -1 dex) are merely halo interlopers, a unique accreted population, part of the boxy/peanut-shaped (B/P) bulge or a classical bulge population.
Astrophysics of Galaxies
