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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
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
Volume11Issue:5Pages:563-576
AbstractBased 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.
KeywordTechniques: Radial Velocities Stars: Temperatures Stars: Abundances
Indexed BySCI
Language英语
WOS IDWOS:000290844200006
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8055
Collection光学天文研究部
AffiliationChinese Acad Sci, Natl Astron Observ, Key Lab Opt Astron, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
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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