THE ASYMMETRICAL DISTRIBUTION OF THE X-RAY FLARES WITH Imp≥M1.0 AT THE MAXIMUM PERIOD OF THE 22nd SOLAR CYCLE
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摘要: 本文对第22太阳周极大时期Imp≥M1.0X射线耀斑的空间分布进行了统计分析.结果表明,该事件存在南北半球分布的不对称性,且不对称性在极大年或其后一年改变符号.文中还对不对称性与太阳活动的相关关系也进行了探讨.Abstract: The data of the X-ray flare events with importance≥M1.0 at the maximum period of the 22nd solar cycle are used to investigate the feature of their spatial distribution. The results show that there is a north-south asymmetry in their spatial distribution and the sign of asymmetry may be changed at the maximum year or one year before or after. Although one solar hemisphere totally dominates in a solar cycle, the other may dominates in the maximum year of the solar cycle or one year before or after. Correlation between asymmetry and solar activities are discussed too.
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Key words:
- Solar flares /
- Solar activities /
- Asymmetry
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