The M87 globular cluster system

We present the most extensive combined photometric and spectroscopic study to date of the enormous globular cluster (GC) system around M87, the central giant elliptical galaxy...本研究针对环绕M87（中心巨椭圆星系）的庞大球状星团（globular cluster, GC）系统，开展了迄今为止最为全面的测光与光谱联合研究。