M-subdwarf research. I. LAMOST DR4 spectra obs.
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We propose a revision of the system developed by Lepine+ (2007ApJ...669.1235L) for spectroscopic M-subdwarf classification. Based on an analysis of subdwarf spectra and...
我们提出了对Lepine等人(2007ApJ...669.1235L)所开发的光谱M亚矮星分类系统的修订方案。基于对亚矮星光谱的分析及……



