New insights in high-resolution spectroscopy: a wide theoretical library of R=500000 stellar spectra

Details New insights in high-resolution spectroscopy: a wide theoretical library of R=500000 stellar spectra New insights in high-resolution spectroscopy: a wide theoretical library of R=500000 stellar spectra

2002-09-09

arxiv.org/abs/astro-ph/0209169v1

Astronomy and Astrophysics

Astrophysics

6 pages, 5 color figures; proceedings of the IAU Symposium No. 210 "Modelling of Stellar Atmospheres", Eds. N. Piskunov, W.W.

Scientific paper

We present an extended theoretical library of over 800 synthetic stellar spectra, covering energy distribution in the optical range (lambda = 3500-7000 angstrom), at inverse resolution R=500000. The library, based on the ATLAS9 model atmospheres, has been computed with the SYNTHE code developed by R.L. Kurucz. The grid spans a large volume in the fundamental parameter space (i.e. effective temperature, surface gravity, metallicity), and can be profitably applied to different research fields dealing both with the study of single stars and stellar aggregates, through population synthesis models. A complementary project, in progress, will extend the wavelength range to the ultraviolet, down to 850 angstrom, at an inverse resolution of R=50000.

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