金属缺失红巨星的质量损失
天体物理学
2011-05-23 v2
摘要
我们探讨了金属缺失（MD）H燃烧红巨星在各种质量损失假设下的最终命运。采用金属度Z=10^{-8}的模型，沿从主序阶段到He闪灼 ignition 或作为He白矿星最终冷却的演化轨迹，根据质量损失的不同情况进行跟踪。我们指出，MD红巨星需要特殊的富H包裹层来支撑H壳燃烧并允许He最终点燃，从而倾向于发生He退化矿星，无论是作为单星演化还是MD双星系统的结果。我们简要讨论了沿He燃烧阶段或作为冷却白矿星的演化。
引用
@article{arxiv.astro-ph/9506007,
title = {Mass loss in metal deficient Red Giants},
author = {V. Castellani and M. Romaniello},
journal= {arXiv preprint arXiv:astro-ph/9506007},
year = {2011}
}
备注
uuencoded gziped Postscript file including 5 figures and 2 tables. This is the final version of the paper that will appear in Astronomy and Astrophysics. Please report any problem to: [email protected]