Origin of the polar magnetic field reversals

被引：18
|
作者：
Benevolenskaya, EE
机构：
[1] Pulkovo Observatory, St. Petersburg
来源：
SOLAR PHYSICS | 1996年 / 167卷 / 1-2期
关键词：
D O I：
10.1007/BF00146327
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The polar magnetic field on the Sun changes its sign during the maximum of solar cycles. It is known that the phenomenon of three-fold reversal of the polar magnetic field occurred in solar cycle 20. Using the magnetograph data of the Mount Wilson Observatory from 1967 to 1993, we confirm a previously suggested topological model of the three-fold magnetic-field reversal (Benevolenskaya, 1991). From the data set we have found that cycles with three-fold polar magnetic field reversals are characterized by a pronounced high-frequency component of the magnetic field compared with cycles with single polar magnetic-field reversals.
引用
收藏
页码：47 / 55
页数：9
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