矮行星在静止相位期间的低速率星形成活动
天体物理学
2007-05-23 v2
摘要
对静止矮星和低表面亮度星系的观测表明,在矮行星的静止相位之间的持续低速率星形成可能正在发生。因此,我们使用光谱光度模型来再现 IZw 18 中观察到的丰度,假设只有恒定的低星形成速率。我们得出结论,持续的低星形成速率不能被忽视,尤其是在考虑非常金属贫薄天体的化学演化时。
引用
@article{arxiv.astro-ph/9805042,
title = {Low Rate Star Formation Activity During Quiescent Phases in Dwarf Galaxies},
author = {F. Legrand and D. Kunth},
journal= {arXiv preprint arXiv:astro-ph/9805042},
year = {2007}
}
备注
figure 2 modified due to an error in the metallicity used to compute the spectra. 4 pages, 2 postscript figures, To appear in "Dwarf Galaxies and Cosmology" proceedings of the XVIIIth Moriond astrophysics meeting, Les Arcs, March 1998