Abundances of M22 subgiants

We present an abundance analysis of 101 subgiant branch (SGB) stars in the globular cluster M22. Using low-resolution FLAMES/GIRAFFE spectra we have determined abundances of the...我们对球状星团M22中的101颗亚巨星支（subgiant branch, SGB）恒星开展了丰度分析。借助低分辨率FLAMES/GIRAFFE光谱，我们已测定了……的元素丰度。