基于 Gaia XP 光谱的 2000 万颗巨星的金属丰度
Lin Yang ; Haibo Yuan
基于Gaia XP光谱数据，我们为约2000万颗巨星估计出可靠而精确的金属丰度。该数据集包含约36万颗极贫金属恒星（VMP；[Fe/H]≤−2.0）和5万颗超贫金属恒星（EMP；[Fe/H]≤−3.0）。研究结果证实了低分辨率光谱在测定恒星金属丰度方面的有效性，为研究银河系形成历史与化学动力学演化提供了宝贵的数据资源。
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论文信息
论文标题:
Metallicities of 20 Million Giant Stars Based on Gaia XP spectra
发表期刊:
Astrophysical Journal Supplement Series
标识符
CSTR:
11379.11.101605
DOI:
10.12149/101605
VO Identifier:
ivo://China-VO/paperdata/101605
发布时间:
2024-05-07
使用统计
总下载量
346
引用
Lin Yang et al. 2024. Metallicities of 20 Million Giant Stars Based on Gaia XP spectra. 版本 1.0. https://doi.org/10.12149/101605
@misc{10.12149/101605,
doi = {10.12149/101605},
url = {https://doi.org/10.12149/101605},
author = {Lin Yang},
title = {Metallicities of 20 Million Giant Stars Based on Gaia XP spectra},
version = {1.0},
publisher = {Nataional Astronomical Data Center of China},
year= {2024}
}
doi = {10.12149/101605},
url = {https://doi.org/10.12149/101605},
author = {Lin Yang},
title = {Metallicities of 20 Million Giant Stars Based on Gaia XP spectra},
version = {1.0},
publisher = {Nataional Astronomical Data Center of China},
year= {2024}
}
版本