Free access article



A&A 402, 433-442 (2003)
DOI: 10.1051/0004-6361:20030243

STELIB: A library of stellar spectra at

J.-F. Le Borgne¹, G. Bruzual², R. Pelló¹, A. Lançon³, B. Rocca-Volmerange⁴, B. Sanahuja⁵, D. Schaerer¹, C. Soubiran⁶ and R. Vílchez-Gómez<sup>7

1</sup>  Laboratoire d'Astrophysique, UMR 5572, Observatoire Midi-Pyrénées, 14 Avenue E. Belin, 31400 Toulouse, France
²  Centro de Investigaciones de Astronomía, AP 264, 5101-A Mérida, Venezuela
³  Observatoire de Strasbourg, UMR 7550, 11 rue de l'Université, 67000 Strasbourg, France
⁴  Institut d'Astrophysique de Paris, UMR 7095, 98 bis Boulevard Arago, 75014 Paris, France
⁵  Departament d'Astronomia i Meteorologia, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
⁶  Observatoire de Bordeaux, UMR 5804, BP 89, 33270 Floirac, France
⁷  Departamento de Física, Universidad de Extremadura, Avda. de la Universidad, s/n 10071 Cáceres, Spain

(Received 11 September 2002 / Accepted 14 February 2003 )

Abstract
We present STELIB, a new spectroscopic stellar library, available at http://webast.ast.obs-mip.fr/stelib. STELIB consists of an homogeneous library of 249 stellar spectra in the visible range (3200 to 9500 Å), with an intermediate spectral resolution ( 3 Å) and sampling (1 Å). This library includes stars of various spectral types and luminosity classes, spanning a relatively wide range in metallicity. The spectral resolution, wavelength and spectral type coverage of this library represents a substantial improvement over previous libraries used in population synthesis models. The overall absolute photometric uncertainty is 3%.

Key words: atlases -- stars: fundamental parameters -- galaxies: stellar content.

Offprint request: J.-F. Le Borgne, leborgne@ast.obs-mip.fr

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