NAOC Open IR
polarplumesobservedatthetotalsolareclipsein2009
Yang Shuhong; Zhang Jun; Zhang Zhiyong; Zhao Zhaowang; Liu Yangbing; Song Qian; Yang Shangbin; Bao Xingming; Li Leping; Chu Zhe; Li Ting
2011
Source Publicationsciencechinaphysicsmechanicsastronomy
ISSN1674-7348
Volume54Issue:10Pages:1906
AbstractDuring the total solar eclipse of July 22, 2009, we carried out a white-light observation in Anji, Zhejiang, China. The aim wasto observe the polar plumes (PPs) with high spatial and temporal resolutions in white-light. With the observational data, weinvestigate the properties and evolution of the PPs and compare them with those of the low-latitude plumes (LPs). We find thatboth the PPs and the LPs have comparable lengths and widths, and the mean length and width are 300 Mm and 16 Mm, re-spectively. The average inclination angle (13 degree) of the PPs is smaller than that (32 degree) of the LPs. Generally, theplumes which are closer to the coronal hole center are more vertical. We trace the PPs and the LPs in the sequence of imagesand find that none of them disappears and no new one is created. Additionally, neither plasma outflow nor transverse oscilla-tion is observed. These imply that the evolution process of plumes is much longer than the timescale of eclipse.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53745
Collection中国科学院国家天文台
Affiliation中国科学院国家天文台
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yang Shuhong,Zhang Jun,Zhang Zhiyong,et al. polarplumesobservedatthetotalsolareclipsein2009[J]. sciencechinaphysicsmechanicsastronomy,2011,54(10):1906.
APA Yang Shuhong.,Zhang Jun.,Zhang Zhiyong.,Zhao Zhaowang.,Liu Yangbing.,...&Li Ting.(2011).polarplumesobservedatthetotalsolareclipsein2009.sciencechinaphysicsmechanicsastronomy,54(10),1906.
MLA Yang Shuhong,et al."polarplumesobservedatthetotalsolareclipsein2009".sciencechinaphysicsmechanicsastronomy 54.10(2011):1906.
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