最亮碳星
天体物理学
2007-05-23 v1
摘要
目前认为，中等质量的渐进巨星分支(AGB)星中的底热燃烧(HBB)会防止C星的形成。尽管如此，本文 presenting of一些详细演化计算显示，即使存在HBB，仍可在AGB上达到最高亮度时获得C星。这是由于质量损失导致外壳质量减轻，使HBB停止而坠积仍继续。高质量损失率在星体到达C/O>1之前产生类星体质的风，这与van Loon等人(1997a,b)的最新结果一致，他们发现在银河系云系中亮度可达M_{bol}=-6.8的遮蔽C星。
引用
@article{arxiv.astro-ph/9710054,
title = {The Brightest Carbon Stars},
author = {Cheryl Frost and Robert Cannon and John Lattanzio and Peter Wood and Manuel Forestini},
journal= {arXiv preprint arXiv:astro-ph/9710054},
year = {2007}
}
备注
4 pages, 2 figures included. Note that these are quality-reduced figures for net transmission. If you want best quality figures, these are available from http://www.maths.monash.edu.au/~johnl/preprints/preprints.html