Spectroscopy in NGC 2360, NGC 3680, and NGC 5822
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Binary stars in open clusters are very useful targets in constraining the nucleosynthesis process. The luminosities of the stars are known because the distances of the clusters...
疏散星团中的双星系统是约束核合成过程的极具价值的观测靶标。由于星团的距离已知，因此该类恒星的光度可被准确获知……
