2005MNRAS.358...49M -
Mon. Not. R. Astron. Soc., 358, 49-65 (2005/March-3)
A high-resolution stellar library for evolutionary population synthesis.
MARTINS L.P., GONZALEZ-DELGADO R.M., LEITHERER C., CERVINO M. and HAUSCHILDT P.
Abstract (from CDS):
We present a library of 1654 high-resolution stellar spectra, with a sampling of 0.3 Åand covering the wavelength range from 3000 to 7000 Å. The library was computed with the latest improvements in stellar atmospheres, incorporating non-local thermodynamic equilibrium (non-LTE) line-blanketed models for hot, massive (
Teff≥ 27500K) and line-blanketed models for cool (3000 ≤
Teff≤ 4500K) 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 behaviour 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.htm).
Abstract Copyright:
2005 RAS
Journal keyword(s):
stars: atmospheres - stars: evolution
Simbad objects:
7
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