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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.
发表期刊CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2008-06
卷号8期号:3页码:329-336
DOI10.1088/1009-9271/8/3/09
产权排序第1完成单位
收录类别SCI
关键词Sun : Filaments Sun : Chromosphere Sun : Coronal Mass Ejections (Cmes)
摘要By 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.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN1009-9271
URL查看原文
归档日期2008-06-12
WOS记录号WOS:000257222800009
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MASS EJECTIONS ; ACTIVE-REGION ; YOHKOH SXT ; DIMMINGS ; FLARES ; IMAGER ; CME
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6123
专题太阳物理研究组
通讯作者Yang, LH (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位1.National Astronomical Observatories / Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
2.Graduate School of Chinese Academy of Sciences, Beijing 100049, China
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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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