HST/ACS observations and SFH of Antlia B

A census of the satellite population around dwarf galaxy primary hosts in environments outside the Local Group is essential to understanding {Lambda} cold dark matter galaxy...对本星系群（Local Group）以外天体环境中矮星系主宿主周围的卫星星系群开展巡天普查，对于理解Λ冷暗物质（Lambda Cold Dark Matter）星系相关内容至关重要。