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Magnetic flux cancellation associated with the major solar event on 2000 July 14
Zhang, J; Wang, JX; Deng, YY; Wu, DJ
2001-02-10
Source PublicationASTROPHYSICAL JOURNAL
ISSN0004-637X
Volume548Issue:1Pages:L99-L102
AbstractThe major solar event on 2000 July 14 is characterized by the simultaneous occurrence of a giant filament eruption, a great flare, and an extended Earth-directed coronal mass ejection. We examined in detail the magnetic evolution in its source active region, NOAA 9077, and found that the only obvious magnetic change in the course of the event is magnetic flux cancellation at many sites in the vicinity of the filament. Moreover, all the initial disturbance in the filament and the initial brightening around the filament took place at the cancellation sites. It is clearly indicated that the slow magnetic reconnection in the lower atmosphere, which is manifested as observed flux cancellation, is of overwhelming importance in leading to the global instability responsible for the major magnetic activity.
KeywordSun : Coronal Mass Ejections (Cmes) Sun : Filaments Sun : Flares Sun : Magnetic Fields
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordCORONAL MASS EJECTIONS ; ACTIVE REGION ; INITIATION
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000166940500024
Citation statistics
Cited Times:100[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/8175
Collection暗物质和空间天文实验室
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Zhang, J,Wang, JX,Deng, YY,et al. Magnetic flux cancellation associated with the major solar event on 2000 July 14[J]. ASTROPHYSICAL JOURNAL,2001,548(1):L99-L102.
APA Zhang, J,Wang, JX,Deng, YY,&Wu, DJ.(2001).Magnetic flux cancellation associated with the major solar event on 2000 July 14.ASTROPHYSICAL JOURNAL,548(1),L99-L102.
MLA Zhang, J,et al."Magnetic flux cancellation associated with the major solar event on 2000 July 14".ASTROPHYSICAL JOURNAL 548.1(2001):L99-L102.
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