Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-01-12
Mon.Not.Roy.Astron.Soc. 358 (2005) 49-65
Astronomy and Astrophysics
Astrophysics
19 pages, 22 figures, accepted by M.N.R.A.S., results available at http://www.iaa.csic.es/~rosa (plain ascii table, ready) and
Scientific paper
10.1111/j.1365-2966.2005.08703.x
We present a library of 1654 high-resolution stellar spectra, with a sampling of 0.3 A and covering the wavelength range from 3000 A ~ to 7000 A The library was computed with the latest improvements in stellar atmospheres, incorporating non-LTE line-blanketed models for hot, massive (Teff >= 27500 K) and line-blanketed models for cool (3000 K =< Teff =< 4500 K) stars. The total coverage of the grid is 3000 K =< Teff =< 55000 K and -0.5 =< log g =< 5.5, for four chemical abundance values: twice solar, solar, half solar and 1/10 solar. Evolutionary synthesis models using this library are presented in a companion paper. We tested the general behavior of the library by calculating and comparing equivalent widths of numerous H and HeI lines, and some of the commonly used metallic indices. We also compared the library with the empirical libraries STELIB and Indo-US. The full set of the synthetic stellar spectra is available from our websites (http://www.iaa.csic.es/~rosa and http://www.astro.iag.usp.br/~lucimara/library.html).
Cervino Miguel
Gonzalez Delgado Rosa Maria
Hauschildt Peter. H.
Leitherer Claus
Martins Lucimara P.
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