1989•Acta AstronomicaRequires access

H/HE ratio for the WN 7 star HD 151932.

A. Niedzielski

Abstract

Le rapport H/He, de l'etoile WR HD 151932, est determine a partir d'un spectre a faible dispersion. Les resultats sont compares a ceux obtenus avec des spectres de meilleure dispersion. L'accord entre les differentes determinations montre que les spectres a faible dispersion peuvent etre utilises pour estimer les abondances en hydrogene dans les enveloppes des etoiles WN

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Key concepts: Physics, Astrophysics