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Formation of transient coronal holes during the eruption of a quiescent filament and its overlying sigmoid
Yang LH(杨丽恒)1,2; Jiang YC(姜云春)1; Ren DB(任冬柏)1,2; Yang, LH (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2008-06
Volume8Issue:3Pages:329-336
DOI10.1088/1009-9271/8/3/09
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun : Filaments Sun : Chromosphere Sun : Coronal Mass Ejections (Cmes)
AbstractBy using Ha, He 110830, EUV and soft X-ray (SXR) data, we examined a filament eruption that occurred on a quiet-sun region near the center of the solar disk on 2006 January 12, which disturbed a sigmoid overlying the filament channel observed by the GOES-12 SXR Imager (SXI), and led to the eruption of the sigmoid. The event was associated with a partial halo coronal mass ejection (CME) observed by the Large Angle and Spectrometric Coronagraphs (LASCO) on board the Solar and Heliospheric Observatory (SOHO), and resulted in the formation of two flare-like ribbons, post-eruption coronal loops, and two transient coronal holes (TCHs), but there were no significantly recorded GOES or Ha flares corresponding to the eruption. The two TCHs were dominated by opposite magnetic polarities and were located on the two ends of the eruptive sigmoid. They showed similar locations and shapes in He I 10830, EUV and SXR observations. During the early eruption phase, brightenings first appeared on the locations of the two subsequent TCHs, which could be clearly identified on He I 10830, EUV and SXR images. This eruption could be explained by the magnetic flux rope model, and the two TCHs were likely to be the feet of the flux rope.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1009-9271
URL查看原文
Archive Date2008-06-12
WOS IDWOS:000257222800009
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordMASS EJECTIONS ; ACTIVE-REGION ; YOHKOH SXT ; DIMMINGS ; FLARES ; IMAGER ; CME
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6123
Collection太阳物理研究组
Corresponding AuthorYang, LH (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
Affiliation1.National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Graduate School of Chinese Academy of Sciences, Beijing 100049, China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Yang LH,Jiang YC,Ren DB,et al. Formation of transient coronal holes during the eruption of a quiescent filament and its overlying sigmoid[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2008,8(3):329-336.
APA Yang LH,Jiang YC,Ren DB,&Yang, LH .(2008).Formation of transient coronal holes during the eruption of a quiescent filament and its overlying sigmoid.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,8(3),329-336.
MLA Yang LH,et al."Formation of transient coronal holes during the eruption of a quiescent filament and its overlying sigmoid".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 8.3(2008):329-336.
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