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Study of the size-flux relation of pores and spots
Wei, L; Al, GX; Wang, HN
2002-10-01
Source PublicationSCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY
Volume45Pages:25-29
AbstractUsing the vector magnetic field data from the Huairou Solar Observing Station of National Astronomical Observatories, a statistical study on the size-flux relation of photospheric magnetic features without any assumption is given. The selected data here include mature sunspots, as well as protosunspot (with a partial penumbra) and pore. We studied not only their size-flux relations of pore, protosunspot and mature sunspot, but also that of umbra and penumbra of the mature sunspots. The size-flux relationship of mature sunspots and their umbra and penumbra is found to be in different indexes of power-law. No evident relations are found between size and flux of the pores and protosunspots. We found that there is a threshold of 1X10(12) Wb or (3-4.03) x 10(7) km(2) for the transition from a pore to a protospot. Such results may be useful for understanding the physical conditions and dynamical processes of magnetic flux tubes in solar plasma during sunspot's formation. In addition, their characteristic size is also given.
KeywordSun Sunspots And Pores Size And Flux
Indexed BySCI
Language英语
WOS IDWOS:000179653000005
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/8547
Collection院士
AffiliationChinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Wei, L,Al, GX,Wang, HN. Study of the size-flux relation of pores and spots[J]. SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,2002,45:25-29.
APA Wei, L,Al, GX,&Wang, HN.(2002).Study of the size-flux relation of pores and spots.SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY,45,25-29.
MLA Wei, L,et al."Study of the size-flux relation of pores and spots".SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY 45(2002):25-29.
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