Stellar population in Cassiopeia III and Perseus I

We present results from wide-field imaging of the resolved stellar populations of the dwarf spheroidal galaxies CassiopeiaIII (AndXXXII) and PerseusI (AndXXXIII), two satellites...我们报道了矮球状星系（dwarf spheroidal galaxies）仙王座III（Cassiopeia III，AndXXXII）与英仙座I（Perseus I，AndXXXIII）这两颗卫星星系的已分辨恒星族群（resolved stellar populations）的宽场成像（wide-field imaging）观测结果……