Old globular clusters in dwarf irregular galaxies

We have performed a search for old globular clusters (GCs) using archival F606W and F814W Hubble Space Telescope/Advanced Camera for Surveys images of 19 Magellanic-type dwarf...本研究针对老年球状星团（globular clusters，GCs）开展搜寻工作，所用数据为19个麦哲伦型矮星系的存档F606W与F814W波段哈勃空间望远镜（Hubble Space Telescope）/巡天高级相机（Advanced Camera for Surveys）成像数据。