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检索条件"主题词=Chemical abundances"
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chemical abundances of three new Ba stars from the Keck/HIRES spectra
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Research in Astronomy and Astrophysics 2021年 第11期21卷 67-78页
作者: Shuai Liu Liang Wang Jian-Rong Shi Zhen-Yu Wu Hong-Liang Yan Qi Gao Chun-Qian Li CAS Key Laboratory of Optical Astronomy National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China School of Astronomy and Space Science University of Chinese Academy of SciencesBeijing 100049China National Astronomical Observatories/Nanjing Institute of Astronomical Optics&Technology Chinese Academy of SciencesNanjing 210042China CAS Key Laboratory of Astronomical Optics&Technology Nanjing Institute of Astronomical Optics&TechnologyChinese Academy of SciencesNanjing 210042China
Based on high resolution,high signal-to-noise(S/N)ratio spectra from Keck/HIRES,we have determined abundances of 20 elements for 18 Ba *** parameter space of these stars is in the range of 4880≤Teff≤6050 K,2.56≤lo... 详细信息
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