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来自维基百科,自由的百科全书
天节二,即金牛座ρ(ρ Tau,ρ Tauri)是一个位于金牛座的恒星,它是毕宿星团的成员,距离地球约152光年。
天节二是一颗白色A-型主序星,视星等为+4.65。它也是一颗盾牌座δ型变星,光变范围为0.01等,光变周期为1.61小时。
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