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Value-added Catalogs of M-type Stars in LAMOST DR5
Zhong,Jing1; Li,Jing1,2,3; Carlin,Jeffrey L.4; Chen,Li1,5; Mendez,Rene A.6; Hou,Jinliang1,5
2019-09-06
Source PublicationThe Astrophysical Journal Supplement Series
ISSN0067-0049
Volume244Issue:1
AbstractAbstract We present new catalogs of M giant and M dwarf stars from the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) data release 5 (DR5). In total, 39,796 M giants and 501,152 M dwarfs are identified from the classification pipeline. The template-fitting results contain M giants with 7 temperature subtypes from M0 to M6, M dwarfs with 18 temperature subtypes from K7.0 to M8.5, and 12 metallicity subclasses from dMr to usdMp. We cross-matched our M-type catalog with the Two Micron All-Sky Survey (2MASS) and Wide-field Infrared Survey Explorer (WISE) catalog to obtain infrared magnitude and colors. Adopting the distances derived from the parallaxes in Gaia DR2, the MG versus (Gbp???Grp)0 diagram shows that there are also early-type stars and white dwarf–M dwarf binaries included in our M-type stars sample, with a contamination rate of about 4.6% for M giants and 0.48% for M dwarfs. We found that CaH spectral indices are an efficient selection criteria for carbon stars. A total of 289 carbon stars were identified from the M giants sample, and further confirmed by LAMOST spectra.
Keywordcatalogs stars: carbon stars: late-type surveys
DOI10.3847/1538-4365/ab3859
Language英语
WOS IDIOP:0067-0049-244-1-ab3859
PublisherThe American Astronomical Society
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/27669
Collection中国科学院国家天文台
Affiliation1.Key Laboratory for Research in Galaxies and Cosmology, Shanghai Astronomical Observatory, Chinese Academy of Sciences, 80 Nandan Road, Shanghai 200030, People's Republic of China; lijing@shao.ac.cn, jzhong@shao.ac.cn
2.Physics and Space Science College, China West Normal University, 1 ShiDa Road, Nanchong 637002, People's Republic of China
3.Chinese Academy of Sciences South America Center for Astronomy, National Astronomical Observatories, CAS, Beijing 100012, People's Republic of China
4.LSST, 950 North Cherry Avenue, Tucson, AZ 85719, USA
5.School of Astronomy and Space Science, University of Chinese Academy of Sciences, No. 19A, Yuquan Road, Beijing 100049, People's Republic of China
6.Departamento de Astronomia, Universidad de Chile, Casilla 36-D, Correo Central, Santiago, Chile
Recommended Citation
GB/T 7714
Zhong,Jing,Li,Jing,Carlin,Jeffrey L.,et al. Value-added Catalogs of M-type Stars in LAMOST DR5[J]. The Astrophysical Journal Supplement Series,2019,244(1).
APA Zhong,Jing,Li,Jing,Carlin,Jeffrey L.,Chen,Li,Mendez,Rene A.,&Hou,Jinliang.(2019).Value-added Catalogs of M-type Stars in LAMOST DR5.The Astrophysical Journal Supplement Series,244(1).
MLA Zhong,Jing,et al."Value-added Catalogs of M-type Stars in LAMOST DR5".The Astrophysical Journal Supplement Series 244.1(2019).
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