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Wolf-Rayet stars and relativistic objects

机译:Wolf-Rayet星和相对论天体

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Wolf-Rayet (WR) stars, identified by strong broad mission lines of helium, nitrogen, carbon, and oxygen at different ionization states, were discovered by French astronomers M Wolf and G Rayet in 1867 [1]. We shall consider only massive (m = 5-50M_⊙) WR stars of the galactic type I population, which concentrate on average towards the galactic plane. Low-mass hot stars observed as nuclei of planetary nebulae also exhibit WR signatures; we shall not consider them in the present paper.
机译:Wolf-Rayet(WR)恒星是由天文学家M Wolf和G Rayet于1867年发现的,在不同电离状态下氦,氮,碳和氧具有很强的广泛任务线[1]。我们将仅考虑I型银河种群的大型(m =5-50M_⊙)WR恒星,这些恒星平均集中在银河平面上。被观测为行星状星云核的低质量热星也显示出WR特征。我们将不在本文中考虑它们。

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