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Emergence and cancellation of small-scale magnetic flux in a quiet region
Zhang Jun; Jin ChunLan
2009-11-01
Source PublicationSCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
Volume52Issue:11Pages:1691-1695
AbstractThis paper studies the relationship between the development of granules and emergence (cancellation) of magnetic flux at small spatial scales (similar to 1 '') in a quiet region taken with the spectro-polarimeter (SP) of the Solar Optical Telescope (SOT) aboard the Hinode satellite. By examining 6 granular cell events, we have uncovered that a granular structure develops in a regular shape with a size as large as 2-3 '', while the granule is pure, i.e. no magnetic flux emerges in the granule during its development. However, a granular structure develops in an irregular shape while emerging flux accompanies the granular development. Magnetic flux cancellation takes place between new emerging flux and pre-existing one. The transverse magnetic field significantly appears at the place where a tiny bipole emerges and where two opposite polarities cancel each other, but only the transverse field of emerging bipole points from the positive element to the negative element. In some cases, violent Doppler blueshifts at the early emerging stage of the magnetic elements appear. We suggest that the excess of the blue-shifts in the inter-granular lanes are produced by the magnetic reconnection below the photosphere
KeywordPhotosphere Magnetic Fields Polarimetric Evolution Emergence
DOI10.1007/s11433-009-0253-4
Indexed BySCI ; ISTP
Language英语
WOS IDWOS:000271718600010
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/7954
Collection太阳物理研究部
AffiliationChinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Zhang Jun,Jin ChunLan. Emergence and cancellation of small-scale magnetic flux in a quiet region[J]. SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,2009,52(11):1691-1695.
APA Zhang Jun,&Jin ChunLan.(2009).Emergence and cancellation of small-scale magnetic flux in a quiet region.SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY,52(11),1691-1695.
MLA Zhang Jun,et al."Emergence and cancellation of small-scale magnetic flux in a quiet region".SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY 52.11(2009):1691-1695.
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