HST BVI photometry of M 81 star clusters

In this paper, we present the discovery of 114 compact star clusters in the nearby spiral galaxy M81 from B-, V-, and I-band Hubble Space Telescope Wide Field Planetary Camera 2...本研究中，我们借助哈勃空间望远镜（Hubble Space Telescope）宽视场行星相机2号（Wide Field Planetary Camera 2）的B、V、I波段观测数据，在邻近旋涡星系M81内发现了114个致密星团。