Statistical research of the umbral and penumbral oscillations
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- 作者：Xinping Zhou ; HongFei Liang ; lhf@ynao.ac.cn" class="auth_mail" title="E-mail the corresponding author ; QiuHuan Li ; WenJia Zhang ; WenHui OuYang
- 关键词：Sun ; sunspot ; Sun ; oscillation ; Method ; statistics
- 刊名：New Astronomy
- 出版年：2017
- 出版时间：February 2017
- 年：2017
- 卷：51
- 期：Complete
- 页码：86-95
- 全文大小：1488 K
文摘
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Extreme values related to umbral and penumbral oscillations have different distributions.
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The trough values related to umbral oscillations is a normal distribution symmetrical about zero.
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Crest and trough values related to penumbral oscillations are a pair of skewed distribution symmetrical about zero.
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Umbral and penumbral oscillation may be produced by same waves with a period of 312s.