中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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浏览/检索结果: 共165条,第1-10条 帮助

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XGboost for Predicting Chemical Abundances of Open Clusters in LAMOST DR11 LRS 期刊论文  OAI收割
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2025, 卷号: 25, 期号: 3
作者:  
Zhang RY(张汝媛);  Chen, Jianxing;  Wu CY(吴程远);  Wang LQ(王璐茜);  Cha S(查帅)
  |  收藏  |  浏览/下载:20/0  |  提交时间:2025/04/07
Non-local thermodynamic equilibrium (NLTE) abundances of europium (Eu) for a sample of metal-poor stars in the galactic halo and metal-poor disk with 1D and ⟨3D⟩ models 期刊论文  OAI收割
ASTRONOMY & ASTROPHYSICS, 2025, 卷号: 693, 页码: 8
作者:  
Guo YJ(郭彦君);  Storm, Nicholas;  Bergemann, Maria;  Lian, Jianhui;  Alexeeva, Sofya
  |  收藏  |  浏览/下载:5/0  |  提交时间:2025/02/24
Analysis of metallicities of open clusters in the Galactic disc 期刊论文  OAI收割
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2023, 卷号: 521, 期号: 4, 页码: 6284-6292
作者:  
Deng YY(邓阳阳);  Li, Zhongmu
  |  收藏  |  浏览/下载:16/0  |  提交时间:2023/06/19
Searching for Multiple Populations in Star Clusters Using the China Space Station Telescope 期刊论文  OAI收割
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2022, 卷号: 22, 期号: 9
作者:  
Li, Chengyuan;  Zheng, Zhenya;  Li, Xiaodong;  Pang, Xiaoying;  Tang, Baitian
  |  收藏  |  浏览/下载:50/0  |  提交时间:2022/08/22
Element Abundance Analysis of the Metal-rich Stellar Halo and High-velocity Thick Disk in the Galaxy 期刊论文  OAI收割
The Astrophysical Journal, 2021, 卷号: 915, 期号: 1
作者:  
Zhu,Haifan;  Du,Cuihua;  Yan,Yepeng;  Shi,Jianrong;  Ma,Jun
  |  收藏  |  浏览/下载:55/0  |  提交时间:2021/12/06
Mapping the Galactic Disk with the LAMOST and Gaia Red Clump Sample. VII. The Stellar Disk Structure Revealed by the Mono-abundance Populations 期刊论文  OAI收割
The Astrophysical Journal, 2021, 卷号: 912, 期号: 2
作者:  
Yu,Zheng;  Li,Ji;  Chen,Bingqiu;  Huang,Yang;  Jia,Shuhua
  |  收藏  |  浏览/下载:75/0  |  提交时间:2021/12/06
Discovery of a Candidate Hypervelocity Star Originating from the Sagittarius Dwarf Spheroidal Galaxy 期刊论文  OAI收割
ASTROPHYSICAL JOURNAL LETTERS, 2021, 卷号: 907, 期号: 2, 页码: 6
作者:  
Huang, Yang;  Li QZ(李清政);  Zhang, Huawei;  Li, Xinyi;  Sun, Weixiang
  |  收藏  |  浏览/下载:39/0  |  提交时间:2021/03/08
Discovery of a Candidate Hypervelocity Star Originating from the Sagittarius Dwarf Spheroidal Galaxy 期刊论文  OAI收割
The Astrophysical Journal Letters, 2021, 卷号: 907, 期号: 2
作者:  
Huang,Yang;  Li,Qingzheng;  Zhang,Huawei;  Li,Xinyi;  Sun,Weixiang
  |  收藏  |  浏览/下载:25/0  |  提交时间:2021/12/06
Mapping the Galactic Disk with the LAMOST and Gaia Red Clump Sample. V. On the Origin of the "Young" [alpha/Fe]-enhanced Stars 期刊论文  OAI收割
ASTROPHYSICAL JOURNAL, 2020, 卷号: 903, 期号: 1, 页码: 10
作者:  
Sun, W. -X.;  Huang, Y.;  Wang, H. -F.;  Wang, C.;  Zhang, M.
  |  收藏  |  浏览/下载:37/0  |  提交时间:2020/12/07
Cosmological Insights into the Early Accretion of r-process-enhanced Stars. I. A Comprehensive Chemodynamical Analysis of LAMOST J1109+0754 期刊论文  OAI收割
The Astrophysical Journal, 2020, 卷号: 903, 期号: 2
作者:  
Mardini,Mohammad K.
  |  收藏  |  浏览/下载:45/0  |  提交时间:2021/12/06