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Metallicity calibration for solar type stars based on red spectra
Zhao, Jing-Kun; Zhao, Gang; Chen, Yu-Qin; Luo, A-Li
2011-05-01
发表期刊RESEARCH IN ASTRONOMY AND ASTROPHYSICS
卷号11期号:5页码:563-576
摘要Based on a high resolution and high signal-to-noise ratio (SIN) spectral analysis of 90 solar-type stars, we have established several new metallicity calibrations in the T-eff range [5600, 6500] K based on red spectra with the wavelength range of 560-880 nm. The new metallicity calibrations are applied to determine the metallicity of solar analogs selected from Sloan Digital Sky Survey (SDSS) spectra. There is a good consistent result with the adopted value presented in SDSS-DR7 and a small scatter of 0.26 dex for stars with S/N > 50 being obtained. This study provides a new reliable way to derive the metallicity for solar-like stars with low resolution spectra. In particular, our calibrations are useful for finding metal-rich stars, which are missing in the SEGUE Stellar Parameter Pipeline.
关键词Techniques: Radial Velocities Stars: Temperatures Stars: Abundances
收录类别SCI
语种英语
WOS记录号WOS:000290844200006
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文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8055
专题光学天文研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
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Zhao, Jing-Kun,Zhao, Gang,Chen, Yu-Qin,et al. Metallicity calibration for solar type stars based on red spectra[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2011,11(5):563-576.
APA Zhao, Jing-Kun,Zhao, Gang,Chen, Yu-Qin,&Luo, A-Li.(2011).Metallicity calibration for solar type stars based on red spectra.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,11(5),563-576.
MLA Zhao, Jing-Kun,et al."Metallicity calibration for solar type stars based on red spectra".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 11.5(2011):563-576.
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