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arXiv 0902.1555astro-ph.SR
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太阳活动周不同阶段模态频率与活动近点的相关分析

Correlation Analysis of Mode Frequencies with Activity Proxies at Different Phases of the Solar Cycle

Kiran Jain, S. C. Tripathy, F. Hill

摘要:

我们分析了GONG和MDI/SOHO测量的一个完整的太阳周期的中间度p和f模本征频率,研究它们与太阳活动的相关性。我们表明,频率随活动线性变化,但相关程度不同,从阶段到阶段的周期。在上升和下降阶段,模式频率与活动代理强烈相关,而在低和高活动期间,频率与这里考虑的所有活动代理的相关性显着降低。

英文摘要:

We analyze intermediate degree p- and f-mode eigenfrequencies measured by GONG and MDI/SOHO for a complete solar cycle to study their correlation with solar activity. We demonstrate that the frequencies do vary linearly with the activity, however the degree of correlation differs from phase to phase of the cycle. During the rising and the declining phases, the mode frequencies are strongly correlated with the activity proxies whereas during the low- and high-activity periods, the frequencies have significantly lower correlation with all the activity proxies considered here.

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