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A time series of filament eruptions observed by three eyes from space: from failed to successful eruptions
Shen YD(申远灯)1,2; Liu Y(刘煜)1; Liu, R3; Shen, YD (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
2011-05
Volume11Issue:5Pages:594-606
DOI10.1088/1674-4527/11/5/009
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun: Filaments Sun: Corona Sun: Magnetic Fields Sun: Flares Sun: Coronal Mass Ejections (Cmes)
AbstractWe present stereoscopic observations of six sequential eruptions of a filament in the active region NOAA 11045 on 2010 Feb 8, with the advantage of the STEREO twin viewpoints in combination with Earth's viewpoint from SOHO instruments and ground-based telescopes. The last one of the six eruptions is a coronal mass ejection, but the others are not. The flare in this successful one is more intense than in the others. Moreover, the velocity of filament material in the successful one is also the largest among them. Interestingly, all the filament velocities are found to be proportional to the power of their flares. We calculate magnetic field intensity at low altitude, the decay indexes of the external field above the filament, and the asymmetry properties of the overlying fields before and after the failed eruptions and find little difference between them, indicating the same coronal confinement exists for both the failed and successful eruptions. The results suggest that, besides the confinement of the coronal magnetic field, the energy released in the low corona should be another crucial element affecting a failed or successful filament eruption. That is, a coronal mass ejection can only be launched if the energy released exceeds some critical value, given the same initial corona! conditions.
Funding OrganizationChinese foundations MOST [2011CB811400] ; National Natural Science Foundation of China [10933003, 11078004, 11073050]
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1674-4527
URL查看原文
Archive Date2011-09-06
WOS IDWOS:000290844200009
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCORONAL MASS EJECTIONS ; MAGNETIC-FIELD ; SOLAR ERUPTIONS ; FLUX ROPES ; FLARE ; PROMINENCES ; TELESCOPE ; MISSION ; ENERGY ; IMAGER
Citation statistics
Cited Times:44[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7177
Collection选址与日冕观测组
Corresponding AuthorShen, YD (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Graduate University of Chinese Academy of Sciences, Beijing 100049, China
3.Space Weather Research Laboratory, New Jersey Institute of Technology, University Heights, Newark, NJ 07102–1982, USA
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shen YD,Liu Y,Liu, R,et al. A time series of filament eruptions observed by three eyes from space: from failed to successful eruptions[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2011,11(5):594-606.
APA Shen YD,Liu Y,Liu, R,&Shen, YD .(2011).A time series of filament eruptions observed by three eyes from space: from failed to successful eruptions.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,11(5),594-606.
MLA Shen YD,et al."A time series of filament eruptions observed by three eyes from space: from failed to successful eruptions".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 11.5(2011):594-606.
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