双线光谱二元星α Andromedae：轨道元素与元素丰度
天体物理学
2007-05-23 v1
摘要
我们对α And的双线光谱二元星进行了光谱研究。对次级径向速度的测量结果改进了轨道元素。次级显示出典型金属线星的丰度特征：Ca缺乏，铁峰元素有小幅超丰度，Sr和Ba的丰度超过1.0 dex。
引用
@article{arxiv.astro-ph/9805205,
title = {The double-lined spectroscopic binary alpha Andromedae: orbital elements and elemental abundances},
author = {T. Ryabchikova and V. Malanushenko and S. J. Adelman},
journal= {arXiv preprint arXiv:astro-ph/9805205},
year = {2007}
}
备注
3 pages, 1 figure, to appear in: Proc. of the 26th workshop of the European Working Group on CP stars, eds. P. North, A. Schnell and J. Ziznovsky, Contrib. Astr. Obs. Skalnate Pleso Vol. 27, No 3