StarHorse results for spectroscopic surveys and Gaia DR3: Chrono-chemical populations in the solar vicinity, the genuine thick disk, and young alpha-rich stars

ABA Queiroz, F Anders, C Chiappini… - Astronomy & …, 2023 - aanda.org
The Gaia mission has provided an invaluable wealth of astrometric data for more than a
billion stars in our Galaxy. The synergy between Gaia astrometry, photometry, and …

[HTML][HTML] Reconstructing the Disrupted Dwarf Galaxy Gaia-Sausage/Enceladus Using Its Stars and Globular Clusters

G Limberg, SO Souza, A Pérez-Villegas… - The Astrophysical …, 2022 - iopscience.iop.org
We combine spectroscopic, photometric, and astrometric information from APOGEE data
release 17 and Gaia early data release 3 to perform a self-consistent characterization of …

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 …

Chemodynamically Tagged Groups of CEMP Stars in the Halo of the Milky Way. I. Untangling the Origins of CEMP-s and CEMP-no Stars

J Zepeda, TC Beers, VM Placco, D Shank… - The Astrophysical …, 2023 - iopscience.iop.org
We construct a sample of 644 carbon-enhanced metal-poor (CEMP) stars with abundance
analyses based on moderate-to high-resolution spectroscopic studies. Dynamical …

Galactic ArchaeoLogIcaL ExcavatiOns (GALILEO)-I. An updated census of APOGEE N-rich giants across the Milky Way

JG Fernández-Trincado, TC Beers, B Barbuy… - Astronomy & …, 2022 - aanda.org
We use the 17th data release of the second phase of the Apache Point Observatory Galactic
Evolution Experiment (APOGEE-2) to provide a homogenous census of N-rich red giant …

Origin of highly r-process-enhanced stars in a cosmological zoom-in simulation of a Milky Way-like galaxy

Y Hirai, TC Beers, M Chiba, W Aoki… - Monthly Notices of …, 2022 - academic.oup.com
The r-process-enhanced (RPE) stars provide fossil records of the assembly history of the
Milky Way (MW) and the nucleosynthesis of the heaviest elements. Observations by the R …

Beyond Spectroscopy. II. Stellar Parameters for over 20 Million Stars in the Northern Sky from SAGES DR1 and Gaia DR3

Y Huang, TC Beers, H Yuan, KF Tan… - The Astrophysical …, 2023 - iopscience.iop.org
We present precise photometric estimates of stellar parameters, including effective
temperature, metallicity, luminosity classification, distance, and stellar age, for nearly 26 …

[HTML][HTML] Probing the Galactic halo with RR Lyrae stars–V. Chemistry, kinematics, and dynamically tagged groups

J Cabrera Garcia, TC Beers, Y Huang… - Monthly Notices of …, 2024 - academic.oup.com
We employ a sample of 135 873 RR Lyrae stars (RRLs) with precise photometric-metallicity
and distance estimates from the newly calibrated P–ϕ31–R 21–[Fe/H] and Gaia G band P–R …

The Complexity of the Cetus Stream Unveiled from the Fusion of STREAMFINDER and StarGO

Z Yuan, K Malhan, F Sestito, RA Ibata… - The Astrophysical …, 2022 - iopscience.iop.org
We combine the power of two stream-searching tools, STREAMFINDER and StarGO applied
to the Gaia EDR3 data, to detect stellar debris belonging to the Cetus stream system that …

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]≤ …