RR Lyrae stars BV photometry in UMa I

We have performed the first study of the variable star population of Ursa Major I (UMa I), an ultra-faint dwarf satellite recently discovered around the Milky Way (MW) by the...我们针对大熊座I（Ursa Major I，UMa I）——一颗近期在银河系（Milky Way，MW）附近被……发现的超暗矮星系卫星（ultra-faint dwarf satellite）——的变星族群开展了首次研究。