Chemical abundances in early B-type stars. II - Line identification and atomic data for high resolution spectra

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Abundance, B Stars, Early Stars, Line Spectra, Stellar Spectra, Astronomical Catalogs, High Resolution, Spectrum Analysis, Early B-Stars, Stellar Spectra, Line Identification.

Scientific paper

An atlas of spectral lines observed in early type B-stars has been derived from high resolution spectra in the wavelength range from 4060 Å to 5060 Å. In total about 470 transitions of C, N, O, Ne, Mg, Al, Si, S, Ar and Fe have been identified that give rise to some 270 individual lines or line blends in the spectra examined. For each of these transitions oscillator strengths and damping constants are presented, most of which have been derived from the literature. Results of approximate calculations are given where no other data were available.

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