| Issue |
EAS Publications Series
Volume 67-68, 2014
The Milky Way Unravelled by Gaia: GREAT Science from the Gaia Data Releases
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|
|---|---|---|
| Page(s) | 101 - 104 | |
| Section | Planetary Systems: Words Near and Far | |
| DOI | https://doi.org/10.1051/eas/1567017 | |
| Published online | 17 July 2015 | |
N.A. Walton, F. Figueras, L. Balaguer-Núñez and C. Soubiran (eds)
EAS Publications Series, 67–68 (2014) 101-104
Exoplanets: Gaia and the importance of ground based spectroscopy follow-up
1 Instituto de Astrofísica e Ciência do Espaço, Universidade do Porto, Rua das Estrelas, 4150-762 Porto, Portugal
2 Departamento de Física e Astronomia, Faculdade de Ciências, Universidade do Porto, Portugal
3 INAF, Osservatorio Astrofisico di Torino, 10025 Pino Torinese, Italy
e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract
The search for extrasolar planets has developed rapidly and, today, more than 1700 planets have been found orbiting stars. Thanks to Gaia, we will collect high-accuracy astrometric orbits of thousands of new low-mass celestial objects, such as extra-solar planets and brown dwarfs. These measurements in combination with spectroscopy and with present day and future extrasolar planet search programs (like HARPS, ESPRESSO) will have a crucial contribution to several aspects of planetary astrophysics (formation theories, dynamical evolution, etc.). Moreover, Gaia will have a strong contribution on the stellar chemical and kinematic characterisation studies. In this paper we present a short overview of the importance of Gaia in the context of exoplanet research. As preparatory work for Gaia, we will then present a study where we derived stellar parameters for a sample of field giant stars.
© EAS, EDP Sciences, 2015