认识 COG 成员
天体物理学
2007-11-13 v1
摘要
与其他方法相比,运动学与详细元素丰度相结合提供了利用尽可能多的可用信息来分析恒星种群的方法。在此,我们将该技术应用于本地 HBA 恒星,这是一项正在进行的计划,旨在在这些天体中寻找 omega Centauri 的碎片,这导致我们发现了一组具有非常相似运动学和丰度的恒星,即彗星轨道群(Cometary Orbit Group, COG)。我们还评论了此类工作在 Gaia 时代的前景。
引用
@article{arxiv.0711.1755,
title = {Meet the COG's},
author = {Martin Altmann and Marcio Catelan and Manuela Zoccali},
journal= {arXiv preprint arXiv:0711.1755},
year = {2007}
}
评论
8 pages, 4 figures, to apear in ASP-Conference Series
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