Spectra of HB stars in 3 globular clusters
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The metal-rich ([M/H]=-0.48) bulge globular cluster NGC 6388 displays a blue horizontal branch (HB). Helium enrichment, which is correlated with changes seen among other light...
位于银河系核球的富金属([M/H]=-0.48)球状星团(globular cluster)NGC 6388呈现出蓝水平支(blue horizontal branch, HB)。氦增丰现象与其他轻元素观测到的变化存在关联……



