A large sample of metallic-line star candidates from LAMOST Data Release 1
A large sample of metallic-line star candidates from LAMOST Data Release 1
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LAMOST 数据发布 1 中的大量金属线恒星候选者样本
DOI:
10.1093/mnras/stv176
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发表时间:
2015-01
影响因子:
4.8
通讯作者:
Liu Xiaowei
中科院分区:
文献类型:
--
作者:
Bai Zhaongrui;Zhang Yong;Hou Yonghui;Liu Xiaowei
We present a sample of metallic-line star (Am) candidates from the Large sky Area Multi-Object ber Spectroscopic Telescope Data Release one (LAMOST DR1). According to the characteristic of under-abundance of calcium and overabundance of iron element of Am stars, we propose an empirical separation curve derived from line indices of Ca II K{line and iron lines we choose for low resolution spectra. 3537 Am candidates are ultimately selected from more than 30,000 stars which are classied as A{type or early{F stars by both LAMOST pipeline and visual inspection. Then we make some analysis on this sample and nally provide a list of these Am candidates with 10 relevant parameters. Comparing with other catalogues, Am candidates selected from LAMOST DR1 are much fainter on the whole. Obviously, our list is an important complementary to already known bright Am catalogues, and it oers valuable material for the research on this type of chemically peculiar stars.
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DOI:
10.1086/150459
发表时间:
1970
期刊:
The Astrophysical Journal
影响因子:
--
作者:
G. Michaud
通讯作者:
G. Michaud
影响因子:
1.8
作者:
A. Luo;Hao Zhang;Yongheng Zhao;Gang Zhao;X. Cui;Guo-ping Li;Y. Chu;Jian-rong Shi;Gang Wang-
通讯作者:
A. Luo;Hao Zhang;Yongheng Zhao;Gang Zhao;X. Cui;Guo-ping Li;Y. Chu;Jian-rong Shi;Gang Wang-
影响因子:
1.9
作者:
Keith C. Smith
通讯作者:
Keith C. Smith
影响因子:
4.8
作者:
B. Guthrie
通讯作者:
B. Guthrie
DOI:
10.1088/0004-6256/136/5/2022
发表时间:
2007-10
期刊:
The Astronomical Journal
影响因子:
--
作者:
Y. S. Lee;T. Beers;T. Sivarani;C. Allende Prieto;L. Koesterke;R. Wilhelm;P. Fiorentin;C. Bailer-Jones-C.-Bai
通讯作者:
Y. S. Lee;T. Beers;T. Sivarani;C. Allende Prieto;L. Koesterke;R. Wilhelm;P. Fiorentin;C. Bailer-Jones-C.-Bai