Deep, wide-field g,i imaging of And XXXI

We present results from WIYN pODI imaging of Lacerta I (And XXXI), a satellite dwarf galaxy discovered in the outskirts of the Andromeda galaxy (M31) in Pan-STARRS1 survey data....本工作报道了蝎虎座I（仙女座XXXI）的WIYN pODI成像观测结果，该卫星矮星系是在泛星计划1号（Pan-STARRS1）巡天数据中于仙女座星系（M31）的外围区域被发现的。