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Title:
New high resolution synthetic stellar libraries for the Gaia mission .
Authors:
Sordo, R.; Vallenari, A.; Bouret, J.-C.; Brott, I.; Edvardsson, B.; Frémat, Y.; Heber, U.; Josselin, E.; Kochukhov, O.; Korn, A.; Lanzafame, A.; Martins, F.; Schweitzer, A.; Thévenin, F.; Zorec, J.
Affiliation:
AA( INAF-Osservatorio Astronomico, Vic. dell'Osservatorio 5 I-35122 Padova, Italy ), AB( INAF-Osservatorio Astronomico, Vic. dell'Osservatorio 5 I-35122 Padova, Italy ), AC(Laboratoire d'Astrophysique de Marseille, CNRS-Université de Provence, BP 8, 13376 Marseille Cedex 12, France), AD(Sterrenkundig Instituut, Princetonplein 5, NL-3584 CC Utrecht, The Netherlands), AE(Department of Natural Sciences, Mid Sweden University, S-851 70 Sundsvall, Sweden), AF(Royal Observatory of Belgium, 3 Avenue Circulaire, 1180 Brussels, Belgium), AG(Dr. Remeis-Sternwarte, Astronomisches Institut der Universität Erlangen-Nürnberg, Sternwartstr. 7, 96049 Bamberg, Germany), AH(GRAAL, UniversitèMontpellier II - ISTEEM, CNRS, Place Eugene Bataillon, 34095 Montpellier Cedex, France), AI(Department of Physics and Astronomy, Uppsala University, 75120 Uppsala, Sweden), AJ(Department of Physics and Astronomy, Uppsala University, 75120 Uppsala, Sweden), AK(Dip. di Fisica e Astronomia, Universitàdi Catania, Via S. Sofia 78, 95123 Catania, Italy), AL(GRAAL, UniversitèMontpellier II - ISTEEM, CNRS, Place Eugene Bataillon, 34095 Montpellier Cedex, France), AM(Hamburger Sternwarte, Gojenbergsweg 112, 21029 Hamburg, Germany), AN(O.C.A., UMR 6202, BP 4229, F-06304, Nice Cedex 4, France), AO(Institut d'Astrophysique de Paris, UMR7095 CNRS, Université Pierre & Marie Curie, 98 bd. Arago, 75014 Paris, France)
Publication:
Memorie della Societa Astronomica Italiana, v.80, p.103 (2009)
Publication Date:
00/2009
Origin:
MmSAI
Keywords:
Stars: synthetic spectra, Stars: atmospheres
Bibliographic Code:
2009MmSAI..80..103S

Abstract

High resolution synthetic stellar libraries are of fundamental importance for the preparation of the Gaia Mission. We present new sets of spectral stellar libraries covering two spectral ranges: 300/1100 nm at 0.1 nm resolution, and 840/890 nm at 0.001 nm resolution. These libraries span a wide atmospheric parameters range, from super-metal-rich to very metal-poor (-5.0 <[Fe/H]<+1.0), from cool to hot (T_{eff }=3000-50000 K) stars, including peculiar abundance variations. Thanks to their spectral resolution, spectral type coverage and number of models, they represent a substantial improvement over previous libraries used in population synthesis models and in atmospheric analysis.
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