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Filament activity and photospheric magnetic evolution related to flares
Jiang YC(姜云春)1,2; Wang, J1; Jiang, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing Astron Observ, Beijing 100012, Peoples R China.
Source PublicationASTRONOMY & ASTROPHYSICS
2001-03
Volume367Issue:3Pages:1022-1032
DOI10.1051/0004-6361:20000551
Contribution Rank第2完成单位
Indexed BySCI
KeywordSun : Prominences Sun : Filaments Sun : Activity Sun : Flares Sun : Magnetic Fields
AbstractThree succcssive activations of all active-region filament were observed over a period of eight hours. Each disturbance showed distinctive characteristics and was followed by a flare of different properties. The filament had one end rooted in strong delta -sunspots. During the first activation, the filament rose up at the rooting end and detached from the delta -sunspots while its main body remained in place and separated into two twisted threads. During the second activation, only one thread a as disturbed and finally disappeared; twisted threads, however, appeared during the third activation. The evolution of photospheric magnetic fields, associated with the filament disturbances. Was characterized by squeezing and shearing of delta -sunspots, flux cancellation and emergence beneath the two ends of the filaments. Our data suggests that magnetic reconnection in the photospheric layer is the likely cause of filament destabilisation. cause of filament destabilisation.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN0004-6361
URL查看原文
Archive Date2001-04-25
WOS IDWOS:000167938200033
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordFIELD CHANGES ; PROMINENCES ; ERUPTION ; FLUX ; ACTIVATION ; SUNSPOTS ; PATTERNS ; CORONA ; REGION ; SHEAR
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6046
Collection太阳物理研究组
Corresponding AuthorJiang, Y (reprint author), Chinese Acad Sci, Natl Astron Observ, Beijing Astron Observ, Beijing 100012, Peoples R China.
Affiliation1.Beijing Astronomical Observatory, National Astronomical Observatories, Chinese Academy of Science, Beijing 100012, PR China
2.Yunnan Astronomical Observatory, Chinese Academy of Science, Kunming 650011, PR China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Jiang YC,Wang, J,Jiang, Y . Filament activity and photospheric magnetic evolution related to flares[J]. ASTRONOMY & ASTROPHYSICS,2001,367(3):1022-1032.
APA Jiang YC,Wang, J,&Jiang, Y .(2001).Filament activity and photospheric magnetic evolution related to flares.ASTRONOMY & ASTROPHYSICS,367(3),1022-1032.
MLA Jiang YC,et al."Filament activity and photospheric magnetic evolution related to flares".ASTRONOMY & ASTROPHYSICS 367.3(2001):1022-1032.
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