Calcium abundances in 17 globular clusters
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We use abundances of Ca, O, Na, and Al from high-resolution UVES spectra of 200 red giants in 17 globular clusters (GCs) to investigate the correlation found by Lee et al....
我们利用17个球状星团(globular clusters, GCs)中200颗红巨星的高分辨率UVES光谱所测得的钙、氧、钠、铝元素丰度,对Lee等人所发现的相关性展开研究……



