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Solar Intranetwork Magnetic Elements: Evolution and Lifetime
Zhou, G. P.; Wang, J. X.; Jin, C. L.
2010-11-01
发表期刊SOLAR PHYSICS
卷号267期号:1页码:63-73
摘要Based on Hinode SOT/NFI observations with greatly improved spatial and temporal resolution and polarization sensitivity, the lifestory of the intranetwork (IN) magnetic elements are explored in a solar quiet region. A total of 2282 IN elements are followed from their appearance to disappearance and their fluxes measured. By tracing individual IN elements their lifetimes are obtained, which fall in the range from 1 to 20 min. The average lifetime is 2.9 +/- 2.0 min. The observed lifetime distribution is well represented by an exponential function. Therefore, the e-fold characteristic lifetime is determined by a least-square fitting to the observations, which is 2.1 +/- 0.3 min. The lifetime of IN elements is correlated closely with their flux. The evolution of IN elements is described according to the forms of their birth and disappearance. Based on the lifetime and flux obtained from the new observations, it is estimated that the IN elements have the capacity of heating the corona with a power of 2.1 x 10(28) erg s(-1) for the whole Sun.
关键词Magnetic Fields Photosphere
DOI10.1007/s11207-010-9641-1
收录类别SCI
语种英语
WOS记录号WOS:000284430500002
引用统计
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7746
专题太阳物理研究部
作者单位Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing 100012, Peoples R China
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Zhou, G. P.,Wang, J. X.,Jin, C. L.. Solar Intranetwork Magnetic Elements: Evolution and Lifetime[J]. SOLAR PHYSICS,2010,267(1):63-73.
APA Zhou, G. P.,Wang, J. X.,&Jin, C. L..(2010).Solar Intranetwork Magnetic Elements: Evolution and Lifetime.SOLAR PHYSICS,267(1),63-73.
MLA Zhou, G. P.,et al."Solar Intranetwork Magnetic Elements: Evolution and Lifetime".SOLAR PHYSICS 267.1(2010):63-73.
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