Do tidal effects determine the spot distribution on active binaries
Do tidal effects determine the spot distribution on active binaries
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DOI：
10.1002/1521-3994(200208)323:3/4
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发表时间：
2002-08
影响因子：
0.9
通讯作者：
V. Holzwarth;M. Schüssler
中科院分区：
文献类型：
--
作者：
V. Holzwarth;M. Schüssler
对活动双星上的光点分布的观测表明，存在着较好的周期，如果系统周期较短，这种周期会更明显。这表明这种效应是由伴星星星的接近引起的。我们探讨是否可以解释的磁通量管，这被认为是在恒星表面出现后引起的星点的动态潮汐效应的首选的paddes。我们发现，在快速旋转的双星流量管爆发在中纬度的情况下，确实表现出相当不均匀的纵向分布。
Observations of spot distributions on active binaries indicate the existence of preferred longitudes, which are more pronounced if the system period is shorter. This suggests that this effect is caused by the proximity of the companion star. We explore whether preferred longitudes can be explained by tidal effects on the dynamics of magnetic flux tubes, which are thought to give rise to starspots upon emergence at the stellar surface. We find that in the case of fast-rotating binaries flux tubes erupting at mid latitudes show indeed a considerably non-uniform longitudinal distribution.