恒星演化晚期的混合化学现象
Mixed chemistry phenomenon during late stages of stellar evolution
摘要:
我们讨论的O-和C-基材料的演化先进的恒星的环境中同时存在的现象。我们专注于硅酸盐碳星和目前的观察,直接确认他们的二元模型的情况。我们还讨论了一类的C-恒星的OH发射检测,其中一些[WR]行星状星云属于。
英文摘要:
We discuss phenomenon of simultaneous presence of O- and C-based material in surroundings of evolutionary advanced stars. We concentrate on silicate carbon stars and present observations that directly confirm the binary model scenario for them. We discuss also class of C-stars with OH emission detected, to which some [WR] planetary nebulae do belong.
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