Hypervelocity stars

WR Brown - Annual Review of Astronomy and Astrophysics, 2015 - annualreviews.org
Hypervelocity stars (HVSs) travel with such extreme velocities that dynamical ejection via
gravitational interaction with a massive black hole (MBH) is their most likely origin …

BANYAN. XI. The BANYAN Σ multivariate Bayesian algorithm to identify members of young associations with 150 pc

J Gagné, EE Mamajek, L Malo, A Riedel… - The Astrophysical …, 2018 - iopscience.iop.org
BANYAN Σ is a new Bayesian algorithm to identify members of young stellar associations
within 150 pc of the Sun. It includes 27 young associations with ages in the range∼ 1–800 …

Chemical element transport in stellar evolution models

M Salaris, S Cassisi - Royal Society Open Science, 2017 - royalsocietypublishing.org
Stellar evolution computations provide the foundation of several methods applied to study
the evolutionary properties of stars and stellar populations, both Galactic and extragalactic …

Gaia FGK benchmark stars: Effective temperatures and surface gravities

U Heiter, P Jofré, B Gustafsson, AJ Korn… - Astronomy & …, 2015 - aanda.org
Context. In the era of large Galactic stellar surveys, carefully calibrating and validating the
data sets has become an important and integral part of the data analysis. Moreover, new …

Astrometric accelerations as dynamical beacons: discovery and characterization of HIP 21152 B, the first T-dwarf companion in the Hyades

K Franson, BP Bowler, M Bonavita… - The Astronomical …, 2023 - iopscience.iop.org
Benchmark brown dwarf companions with well-determined ages and model-independent
masses are powerful tools to test substellar evolutionary models and probe the formation of …

Stellar abundances in the solar neighborhood: the Hypatia Catalog

NR Hinkel, FX Timmes, PA Young… - The Astronomical …, 2014 - iopscience.iop.org
We compile spectroscopic abundance data from 84 literature sources for 50 elements
across 3058 stars in the solar neighborhood, within 150 pc of the Sun, to produce the …

XHIP: An extended hipparcos compilation

E Anderson, C Francis - Astronomy Letters, 2012 - Springer
Abstract We present the Extended Hipparcos Compilation (XHIP), a database of all stars in
the New Reduction of the Hipparcos Catalog extensively cross-referenced with data from a …

Lithium depletion boundary, stellar associations, and Gaia

FJ Galindo-Guil, D Barrado, H Bouy, J Olivares… - Astronomy & …, 2022 - aanda.org
Context. Stellar ages are key to improving our understanding of different astrophysical
phenomena. However, many techniques to estimate stellar ages are highly model …

Impact of the Galactic bar on tidal streams within the Galactic disc-The case of the tidal stream of the Hyades

GF Thomas, B Famaey, G Monari, CFP Laporte… - Astronomy & …, 2023 - aanda.org
Tidal streams of disrupted clusters are powerful probes of the gravitational potential of the
Galaxy and they are routinely detected in the stellar halo of the Milky Way. It was recently …

The Hyades open cluster is chemically inhomogeneous

F Liu, D Yong, M Asplund, I Ramírez… - Monthly Notices of the …, 2016 - academic.oup.com
We present a high-precision differential abundance analysis of 16 solar-type stars in the
Hyades open cluster based on high-resolution, high signal-to-noise ratio (S/N≈ 350–400) …