O. Kiyaeva, I. Izmailov, N. Narizhnaya, L. G. Romanenko
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引用次数: 0
摘要
Star ADS 9173=WDS 14135+5147=Hip 69483是一个复杂的系统。B组分有一个光谱伴星，其轨道周期为4.9年，自1986年以来就已为人所知。盖亚望远镜在距离明亮的AB星系100英寸远的地方发现了一对微弱的AB星系。在我们的文章中，我们基于普尔科沃天文台26英寸折射望远镜的长期观测，研究了明亮对中的运动。用视运动参数(AMP)法计算了周期为6306年的AB对轨道。根据截至2023年的26英寸折射望远镜均匀CCD观测的残差，确定了B分量的天体测量轨道。它与光谱学上的一致。剩余的二次残差显示一个周期约为20年的波，并讨论了其原因。
Dynamical investigation of the multiple star ADS 9173 AB
Star ADS 9173=WDS 14135+5147=Hip 69483 is a complex system. The B component has a spectroscopic companion, whose orbit with a period of 4.9 years has been known since 1986. The Gaia telescope has detected a distant faint pair over 100" away from the bright AB pair. In our article, we study the movement in a bright pair based on long-term observations with the 26-inch refractor of the Pulkovo Observatory. The AB pair orbit with a period of 6306 years was calculated using the apparent motion parameters (AMP) method. The astrometric orbit of the component B was determined on the basis of the residuals of the homogeneous CCD observations up to 2023 with the 26-inch refractor. It is in agreement with the spectroscopic one. The remaining secondary residuals show a wave with a period of approximately 20 years, the reasons for which are discussed.
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