CH(G) index of SDSS evolved stars
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We have measured the CH G band (CH(G)) index for evolved stars in the globular cluster M3 based on the Sloan Digital Sky Survey (SDSS) spectroscopic survey. It is found that...
本研究基于斯隆数字巡天（Sloan Digital Sky Survey, SDSS）光谱巡天，对球状星团M3中的演化恒星的CH G带(CH(G))指数开展了测量。结果发现……
