On the inconsistency of [C/Fe] abundances and the fractions of carbon-enhanced metal-poor stars among various stellar surveys

A Arentsen, VM Placco, YS Lee… - Monthly Notices of …, 2022 - academic.oup.com
Carbon-enhanced metal-poor (CEMP) stars are a unique resource for Galactic archaeology
because they probe the properties of the First Stars, early chemical evolution, and binary …

Beyond spectroscopy. I. Metallicities, distances, and age estimates for over 20 million stars from SMSS DR2 and Gaia EDR3

Y Huang, TC Beers, C Wolf, YS Lee… - The Astrophysical …, 2022 - iopscience.iop.org
Accurate determinations of stellar parameters and distances for large complete samples of
stars are keys for conducting detailed studies of the formation and evolution of our Galaxy …

Dynamically tagged groups of metal-poor stars from the best and brightest survey

D Shank, TC Beers, VM Placco, G Limberg… - The Astrophysical …, 2022 - iopscience.iop.org
Orbital characteristics based on Gaia Early Data Release 3 astrometric parameters are
analyzed for∼ 4000 metal-poor stars ([Fe/H]≤− 0.8) compiled from the Best and Brightest …

The R-Process Alliance: Chemodynamically Tagged Groups. II. An Extended Sample of Halo r-process-enhanced Stars

D Shank, TC Beers, VM Placco, D Gudin… - The Astrophysical …, 2023 - iopscience.iop.org
Orbital characteristics based on Gaia Early Data Release 3 astrometric parameters are
analyzed for∼ 1700 r-process-enhanced (RPE;[Eu/Fe]>+ 0.3) metal-poor stars ([Fe/H]≤ …

200 000 candidate very metal-poor stars in Gaia DR3 XP spectra

Y Yao, AP Ji, SE Koposov… - Monthly Notices of the …, 2024 - academic.oup.com
Very metal-poor stars () in the Milky Way are fossil records of early chemical evolution and
the assembly and structure of the Galaxy. However, they are rare and hard to find. Gaia DR3 …

The Pristine Inner Galaxy Survey (PIGS) III: carbon-enhanced metal-poor stars in the bulge

A Arentsen, E Starkenburg, DS Aguado… - Monthly Notices of …, 2021 - academic.oup.com
The most metal-deficient stars hold important clues about the early buildup and chemical
evolution of the Milky Way, and carbon-enhanced metal-poor (CEMP) stars are of special …

Abundance Patterns of α and Neutron-capture Elements in the Helmi Stream

G Limberg, RM Santucci, S Rossi… - The Astrophysical …, 2021 - iopscience.iop.org
We identified eight additional stars as members of the Helmi stream (HStr) in the combined
GALAH+ DR3 and Gaia EDR3 catalog. By consistently reevaluating claimed members from …

Dynamics of stellar disc tilting from satellite mergers

BC Dodge, O Slone, M Lisanti… - Monthly Notices of the …, 2023 - academic.oup.com
ABSTRACT The Milky Way's stellar disc can tilt in response to torques that result from
infalling satellite galaxies and their associated tidal debris. In this work, we explore the …

[HTML][HTML] Phase-space Properties and Chemistry of the Sagittarius Stellar Stream Down to the Extremely Metal-poor ([Fe/H]≲− 3) Regime

G Limberg, ABA Queiroz, HD Perottoni… - The Astrophysical …, 2023 - iopscience.iop.org
In this work, we study the phase-space and chemical properties of the Sagittarius (Sgr)
stream, the tidal tails produced by the ongoing destruction of the Sgr dwarf spheroidal …

Dynamically Tagged Groups of Metal-poor Stars. II. The Radial Velocity Experiment Data Release 6

D Shank, D Komater, TC Beers… - The Astrophysical …, 2022 - iopscience.iop.org
Orbital characteristics based on Gaia Early Data Release 3 astrometric parameters are
analyzed for∼ 8000 metal-poor stars ([Fe/H]≤− 0.8) compiled from the Radial Velocity …