PMO OpenIR  > 太阳活动的多波段观测研究团组
Reconstructed 3-D magnetic field structure and hard X-ray two ribbons for 2000 Bastille-day event
Yan, YH; Huang, GL
2003
Source PublicationSPACE SCIENCE REVIEWS
ISSN0038-6308
Volume107Issue:1-2Pages:111-118
AbstractThe Bastille-day event in 2000 produced energetic 3B/X5.6 flare with a halo CME, which had great geo-effects consequently. This event has been studied extensively and it is considered that it follows the two-ribbon flare model. The flare/CME event was triggered by an erupting filament and TRACE observations showed formation of giant arcade structures during the flare process. Hard X-ray (HXR) two ribbons revealed for the first time in this flare event ( Masuda et al., 2001). The reconstruction of 3-D coronal magnetic fields revealed a magnetic flux rope structure, for the first time, from extrapolation of observed photospheric vector magnetogram data and the flux rope structure was co-spatial with portion of the filament and a UV bright lane (Yan et al., 2001a, 2001b). Here we review some recent work related to the flux rope structure and the HXR two ribbons by comparing their locations and the flux temporal profiles during the flare process so as to understand the energy release and particle accelerations. It is proposed that the rope instability may have triggered the flare event, and reconnection may occur during this process. The drifting pulsation structure in the decimetric frequency range is considered to manifest the rope ejection, or the initial phase of the coronal mass ejection. The HXR two ribbons were distributed along the flux rope and the rope foot points coincide with HXR sources. The energy dissipation from IPS observations occurred within about 100 R. is consistent with the estimate for the flux rope system.
KeywordSun : Corona Sun : Flares Sun : Magnetic Fields
Subject AreaAstronomy & Astrophysics
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordSOLAR-FLARE ; JULY 14 ; RADIO-BURSTS ; FINE-STRUCTURES ; RECONNECTION ; YOHKOH ; MODELS ; TARGET ; THICK ; SUN
Indexed BySCI ; ISTP
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000185099000013
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/4620
Collection太阳活动的多波段观测研究团组
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
Recommended Citation
GB/T 7714
Yan, YH,Huang, GL. Reconstructed 3-D magnetic field structure and hard X-ray two ribbons for 2000 Bastille-day event[J]. SPACE SCIENCE REVIEWS,2003,107(1-2):111-118.
APA Yan, YH,&Huang, GL.(2003).Reconstructed 3-D magnetic field structure and hard X-ray two ribbons for 2000 Bastille-day event.SPACE SCIENCE REVIEWS,107(1-2),111-118.
MLA Yan, YH,et al."Reconstructed 3-D magnetic field structure and hard X-ray two ribbons for 2000 Bastille-day event".SPACE SCIENCE REVIEWS 107.1-2(2003):111-118.
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