The APO-K2 Catalog. I.∼ 7500 Red Giants with Fundamental Stellar Parameters from APOGEE DR17 Spectroscopy and K2-GAP Asteroseismology

J Schonhut-Stasik, JC Zinn, KG Stassun… - The Astronomical …, 2024 - iopscience.iop.org
We present a catalog of fundamental stellar properties for∼ 7500 evolved stars, including
stellar radii and masses, determined from the combination of spectroscopic observations …

Chemodynamical properties and ages of metal-poor stars in S-PLUS

F Almeida-Fernandes, VM Placco… - Monthly Notices of …, 2023 - academic.oup.com
Metal-poor stars are key to our understanding of the early stages of chemical evolution in the
Universe. New multifilter surveys, such as the Southern Photometric Local Universe Survey …

Chemical Cartography of the Sagittarius Stream with Gaia

EC Cunningham, JAS Hunt… - The Astrophysical …, 2024 - iopscience.iop.org
The stellar stream connected to the Sagittarius (Sgr) dwarf galaxy is the most massive tidal
stream that has been mapped in the Galaxy, and is the dominant contributor to the outer …

All-sky Kinematics and Chemistry of Monoceros Stellar Overdensity

L Borbolato, HD Perottoni, S Rossi… - The Astrophysical …, 2023 - iopscience.iop.org
We explore the kinematic and chemical properties of the Monoceros stellar overdensity by
combining data from the Two Micron All Sky Survey, Wide-field Infrared Survey Explorer …

A Dynamically Distinct Stellar Population in the Leading Arm of the Sagittarius Stream

G Kang, YS Lee, YK Kim, TC Beers - The Astrophysical Journal …, 2023 - iopscience.iop.org
We present a chemical and dynamical analysis of the leading arm (LA) and trailing arm (TA)
of the Sagittarius (Sgr) stream, as well as for the Sgr dwarf galaxy core (SC), using red giant …

Extending the chemical reach of the H3 survey: detailed abundances of the dwarf-galaxy stellar stream Wukong/LMS-1

G Limberg, AP Ji, RP Naidu, A Chiti… - Monthly Notices of …, 2024 - academic.oup.com
We present the first detailed chemical-abundance analysis of stars from the dwarf-galaxy
stellar stream Wukong/LMS-1 covering a wide metallicity range (). We find abundance …

Stellar Streams in the Gaia Era

A Bonaca, AM Price-Whelan - arXiv preprint arXiv:2405.19410, 2024 - arxiv.org
The hierarchical model of galaxy formation predicts that the Milky Way halo is populated by
tidal debris of dwarf galaxies and globular clusters. Due to long dynamical times, debris from …

The Pristine Inner Galaxy Survey (PIGS) X. Probing the early chemical evolution of the Sagittarius dwarf galaxy with carbon abundances

F Sestito, A Ardern-Arentsen, S Vitali… - arXiv preprint arXiv …, 2024 - arxiv.org
Carbon abundances, especially at low metallicity, reveal the early chemical evolution of a
system, tracing the supernovae (SNe) that contributed and how much of their ejecta made it …

A Sagittarius-like simulated dwarf spheroidal galaxy from TNG50

EL Łokas - 2024 - aanda.org
ABSTRACT The Sagittarius dwarf spheroidal (Sgr dSph) galaxy provides one of the most
convincing examples of tidal interaction between satellite galaxies and the Milky Way (MW) …