Future spectral libraries: what we can expect from the Gaia-ESO survey

A. P. Hourihane1*, G. G. Gilmore1, S. Randich2, C. C. Worley1, and The Gaia-ESO Consortium
1Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK
2INAF – Osservatorio Astrofisico di Arcetri, Largo E. Fermi, 5, 50125 Firenze, Italy

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Abstract

Gaia-ESO is a public spectroscopic survey, targeting 105 stars, systematically covering all major components of the MilkyWay, from halo to star-forming regions, providing the first homogeneous overview of the distributions of kinematics and elemental abundances.

Gaia-ESO will produce an extensive library of FLAMES spectra with stellar parameters and chemical abundances for well-defined stellar samples. When combined with Gaia astrometry, the survey will quantify the formation history of the constituent populations of the Galaxy. We present an overview of the observational stellar library being generated by Gaia- ESO - a glimpse of what’s to come.

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Keywords : surveys – Galaxy: kinematics and dynamics – Galaxy: stellar content – stars: abundances – techniques: spectroscopic