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Emergence and cancellation of small-scale magnetic flux in a quiet region
Zhang Jun; Jin ChunLan
2009-11-01
发表期刊SCIENCE IN CHINA SERIES G-PHYSICS MECHANICS & ASTRONOMY
卷号52期号:11页码:1691-1695
摘要This 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
关键词Photosphere Magnetic Fields Polarimetric Evolution Emergence
DOI10.1007/s11433-009-0253-4
收录类别SCI ; ISTP
语种英语
WOS记录号WOS:000271718600010
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/7954
专题太阳物理研究部
作者单位Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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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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