金属丰富矮星的铁离子平衡
天体物理学
2007-05-23 v1
摘要
我们分析了 25 个靠近的金属丰富 G 和晚 F 型矮星，以验证铁线的光谱平衡（LTE）是否满足由红外通量法（角度直径）和 Hipparcos 距离立方提供的观测约束。假设 LTE 并采用 1D Kurucz 模型大气， 从铁线推导的大气参数无法同时满足这两个观测约束，这可能是因为经典建模未能再现 FeI 线的详细线形成。
引用
@article{arxiv.astro-ph/0409347,
title = {Spectroscopic Equilibrium of Iron in Metal-Rich Dwarfs},
author = {Jorge Melendez and Ivan Ramirez},
journal= {arXiv preprint arXiv:astro-ph/0409347},
year = {2007}
}
备注
Proceedings, Cosmic Abundances as Records of Stellar Evolution and Nucleosynthesis, in honor of Dr. David Lambert's 65th birthday, June 17-19, 2004. ASP Conference Series. Edited by F. N. Bash & T. G. Barnes