The ratio of [Eu/α] differentiates accreted/in situ Milky Way stars across metallicities, as indicated by both field stars and globular clusters

S Monty, V Belokurov, JL Sanders… - Monthly Notices of …, 2024 - academic.oup.com
We combine stellar orbits with the abundances of the heavy, r-process element europium
and the light,-element, silicon to separate in situ and accreted populations in the Milky Way …

The S-PLUS Ultra-Short Survey: first data release

HD Perottoni, VM Placco, F Almeida-Fernandes… - Astronomy & …, 2024 - aanda.org
Context. This paper presents the first public data release of the S-PLUS Ultra-Short Survey
(USS), a photometric survey with short exposure times, covering approximately 9300 deg2 …

Disentanglement of the chemodynamical assembly: mapping the Milky Way discs

E Cantelli, R Teixeira - Monthly Notices of the Royal …, 2024 - academic.oup.com
The formation and structure of the Milky Way have a fundamental role in our understanding
of the universe and its evolution, and thanks to the Gaia mission and large spectroscopic …

HRMOS White Paper: Science Motivation

L Magrini, T Bensby, A Brucalassi, S Randich… - arXiv preprint arXiv …, 2023 - arxiv.org
The High-Resolution Multi-Object Spectrograph (HRMOS) is a facility instrument that we
plan to propose for the Very Large Telescope (VLT) of the European Southern Observatory …

Four-hundred Very Metal-poor Stars Studied with LAMOST and Subaru. III. Dynamically Tagged Groups and Chemodynamical Properties

R Zhang, T Matsuno, H Li, W Aoki, XX Xue… - The Astrophysical …, 2024 - iopscience.iop.org
Very metal-poor (VMP) stars record the signatures of early accreted galaxies, making them
essential tools for unraveling the early stages of Galaxy formation. Understanding the origin …

The Rise of the -Process in the Gaia-Sausage/Enceladus Dwarf Galaxy

X Ou, AP Ji, A Frebel, RP Naidu, G Limberg - arXiv preprint arXiv …, 2024 - arxiv.org
Neutron star mergers (NSMs) produce copious amounts of heavy r-process elements after a
time delayed inspiral process. Once NSMs are present in a galaxy, r-process elements, such …

Decifrando a construção quimiodinâmica: um mapeamento do disco da Via-Láctea

EWC Cantelli - 2024 - bdtd.ibict.br
A formação e estrutura da Via Láctea tem um papel fundamental na nossa compreensão do
universo e da sua evolução, e graças à missão espacial Gaia e aos surveys …