Mid-eclipse times of DV UMa
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DV UMa is an eclipsing dwarf nova with an orbital period of ~2.06hr, which lies just at the bottom edge of the period gap. To detect its orbital period changes, we present 12...
大熊座DV（DV UMa）是一颗食矮新星（eclipsing dwarf nova），其轨道周期约为2.06小时，恰好处于周期间隙（period gap）的下限边缘。为探测其轨道周期变化，我们呈现了12……
