[alpha/Fe] in the Thin and the Thick Disc: Towards an Automatic Parametrization of Stellar Spectra

Pascal Girard (1) , C. Soubiran (2, 3, 4)

1 LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
2 OASU - Observatoire aquitain des sciences de l'univers
3 L3AB - Laboratoire d'astrodynamique, d'astrophysique et d'aéronomie de bordeaux
4 LAB - Laboratoire d'Astrophysique de Bordeaux [Pessac]

We test an automatic procedure to measure [Fe/H] and [α/Fe] on high resolution spectra. The test sample is the intersection of the ELODIE library and a catalogue of 830 stars having well determined abundances.

Mots clés: Methods data analysis; Stars abundances; Stars fundamental parameters

Domaines: Planétologie et astrophysique de la terre [astro-ph.EP]; Planétologie et astrophysique de la terre [astro-ph.EP]

Pascal Girard, C. Soubiran. [alpha/Fe] in the Thin and the Thick Disc: Towards an Automatic Parametrization of Stellar Spectra. The Three-Dimensional Universe with Gaia" (ESA SP-576), Oct 2004, Paris, France. pp.169. ⟨hal-00403558⟩