The Gaia FGK benchmark stars version 2.1
Paula Jofre, Ulrike Heiter, Marcelo Tucci Maia, Caroline Soubiran, C., Clare Worley, Keith Hawkins, Sergi Blanco-Cuaresma, Carlos Rodrigo
TL;DR
This paper updates the list of Gaia FGK benchmark stars, providing a carefully selected reference sample with consistent parameters for calibrating spectroscopic surveys.
Contribution
It presents an updated, homogeneous set of benchmark stars with recommended parameters for survey validation and calibration.
Findings
Updated list of benchmark stars provided
Parameters are derived consistently and homogeneously
Data available at CDS for community use
Abstract
The Gaia FGK benchmark stars are among the preferred samples of reference stars to test parametrisation pipelines of spectroscopic surveys. They consist of a small but carefully selected sample whose parameters are derived consistently and homogeneously. Here we summarise this work and provide our current list of stars with associated parameters which are recommended for validation and calibration purposes for stellar surveys. Data available at CDS as catalog III/281.
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