RR Lyrae survey in the Galactic Halo

We present a search for RR Lyrae variable stars from archival observations of the Southern Edgeworth-Kuiper Belt Object survey. The survey covers 1675deg^2^ along the ecliptic...本研究基于南部埃奇沃思-柯伊伯带天体巡天的存档观测数据，开展了天琴座RR型变星（RR Lyrae variable stars）的搜寻工作。该巡天在黄道面覆盖了1675平方度的天区……