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Estimation of Stellar Atmospheric Parameters from LAMOST DR8 Low-resolution Spectra with 20 ≤ S/N < 30: 《Research in Astronomy and Astrophysics》2022年第6期204-214,共11页Xiangru Li Zhu Wang Si Zeng Caixiu Liao Bing Du Xiao Kong Haining Li; supported by the National Natural Science Foundation of China(grant Nos.11973022,11973049,and U1811464);the Natural Science Foundation of Guangdong Province(No.2020A1515010710);the Youth Innovation Promotion Association of the CAS(id.Y202017)。; The accuracy of the estimated stellar atmospheric parameter evidently decreases with the decreasing of spectral signal-to-noise ratio(S/N)and there are a huge amount of this kind observations,especially in case of S/N...; 关键词：fundamental parameters of stars-astronomy data modeling-algorithms

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