星际形成动力学触发机制的观测与理论
天体物理学
2007-05-23 v1
摘要
星际形成触发机制被综述,包括云和星团的直接压缩、分子云在HII区和超新星边缘的压缩和坍缩、星盘中巨型环和壳的扩张和坍缩、以及两个云之间的碰撞和坍缩。给出坍缩准则。对四种触发类型发现的区域进行了全面的表格化,表明动力学过程能够维持和放大正常星盘中所有自发性星际形成的高比例。
引用
@article{arxiv.astro-ph/9712352,
title = {Observations and Theory of Dynamical Triggers for Star Formation},
author = {B. G. Elmegreen},
journal= {arXiv preprint arXiv:astro-ph/9712352},
year = {2007}
}
备注
34 pages, 5 figures, To be published in the proceedings of the NASA Conference, "Origins of Galaxies, Stars, Planets and Life," ed. C.E. Woodward, H.A. Thronson, & M. Shull, Astronomical Society of the Pacific Conference Series, 1998