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arXiv 0802.0907astro-ph
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纬向速度带与太阳活动周期

Zonal Velocity Bands and the Solar Activity Cycle

K. R. Sivaraman, H. M. Antia, S. M. Chitre, V. V. Makarova

摘要:

我们比较了太阳次表层的纬向流模式与太阳黑子和极地光斑等表面磁特征的分布。我们证明,在活动带,蝴蝶图案的太阳黑子与快速流的纬向流相吻合,虽然部分的太阳黑子分布溢出到慢流。在高纬度地区,极斑和纬向流带在时空上有相似的分布。

英文摘要:

We compare the zonal flow pattern in subsurface layers of the Sun with the distribution of surface magnetic features like sunspots and polar faculae. We demonstrate that in the activity belt, the butterfly pattern of sunspots coincides with the fast stream of zonal flows, although part of the sunspot distribution does spill over to the slow stream. At high latitudes, the polar faculae and zonal flow bands have similar distributions in the spatial and temporal domains.

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