Radial velocities in 2006-2014 for HD 89758
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We report that the spectroscopic binary {mu} Ursae Majoris ({mu} UMa) has secondary RV variations of 471.2 days in addition to those of 230.0 days already known. Keplerian orbit...
我们此次报道,分光双星(spectroscopic binary)大熊座μ星(μ Ursae Majoris,简称μ UMa)除了已知的230.0天周期的径向速度(Radial Velocity,RV)变化外,还存在471.2天周期的次级径向速度变化,其轨道符合开普勒轨道(Keplerian orbit)……



