具有 6D 天体测量和动力学参数的 VMP 候选者
Shuai Xu ; Haibo Yuan
基于黄博文等人(2025)发布的Gaia XP合成测光系统测得的测光金属丰度数据,我们应用了一系列筛选标准,包括消光和光度质量截断、潜在双星污染过滤以及基于等时线的截断。最终获得了12,000颗G波段亮于15等的VMP恒星样本(1604颗矮星和10,396颗巨星)。与LAMOST DR10的交叉匹配表明,超过90%的样本为真正的VMP恒星,其中99%的[Fe/H] < -1.5。
文件
论文信息
论文标题:
Additional Evidence for the Existence of a Primordial Disk System
发表期刊:
ApJ
标识符
CSTR:
11379.11.101639
DOI:
10.12149/101639
VO Identifier:
ivo://China-VO/paperdata/101639
发布时间:
2025-07-16
使用统计
总下载量
207
引用
Shuai Xu et al. 2025. VMP Candidates with 6D Astrometry and Kinematics. 版本 1.0. https://doi.org/10.12149/101639
@misc{10.12149/101639,
doi = {10.12149/101639},
url = {https://doi.org/10.12149/101639},
author = {Shuai Xu},
title = {VMP Candidates with 6D Astrometry and Kinematics},
version = {1.0},
publisher = {Nataional Astronomical Data Center of China},
year= {2025}
}
doi = {10.12149/101639},
url = {https://doi.org/10.12149/101639},
author = {Shuai Xu},
title = {VMP Candidates with 6D Astrometry and Kinematics},
version = {1.0},
publisher = {Nataional Astronomical Data Center of China},
year= {2025}
}
版本