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The filament eruption of 1999 March 21 and its associated coronal dimmings and CME
Jiang YC(姜云春); Li LP(李乐平); Yang LH(杨丽恒); Jiang, YC (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
2006
卷号6期号:3页码:345-353
DOI10.1088/1009-9271/6/3/10
产权排序第1完成单位
收录类别SCI
关键词Sun : Activity Sun : Filaments Sun : Coronal Mass Ejections(Cmes) Sun : Magnetic Fields
摘要We report a filament eruption near the center of the solar disk on 1999 March 21, in multi-wavelength observations by the Yohkoh Soft X-Ray Telescope (SXT), the Extreme-ultraviolet Images Telescope (EIT) and the Michelson Doppler Imager (MDI) on the Solar and Heliospheric Observatory (SOHO). The eruption involved in the disappearance of an H alpha filament can be clearly identified in EIT 195 angstrom difference images. Two flare-like EUV ribbons and two obvious coronal dimming regions were formed. The two dimming regions had a similar appearance in lines formed in temperature range 6 x 10(4) K to several 10(6) K. They were located in regions of opposite magnetic polarities near the two ends of the eruptive filament. No significant X-ray or H alpha flare was recorded associated with the eruption and no obvious photospheric magnetic activity was detected around the eruptive region, and particularly below the coronal dimming regions. The above surface activities were closely associated with a partial halo-type coronal mass ejection (CME) observed by the Large Angle and Spectrometric Coronagraphs (LASCO) on the SOHO. In terms of the magnetic flux rope model of CMEs, we explained these multiple observations as an integral process of large-scale rearrangement of coronal magnetic field initiated by the filament eruption, in which the dimming regions marked the evacuated 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2006-06-21
WOS记录号WOS:000238416500010
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MASS EJECTIONS ; PROMINENCE ERUPTION ; GEOMAGNETIC STORM ; MAGNETIC-FLUX ; FLARES ; EIT ; RECONNECTION ; TELESCOPE ; EVOLUTION ; MISSION
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/6095
专题太阳物理研究组
通讯作者Jiang, YC (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
作者单位National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
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Jiang YC,Li LP,Yang LH,et al. The filament eruption of 1999 March 21 and its associated coronal dimmings and CME[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2006,6(3):345-353.
APA Jiang YC,Li LP,Yang LH,&Jiang, YC .(2006).The filament eruption of 1999 March 21 and its associated coronal dimmings and CME.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,6(3),345-353.
MLA Jiang YC,et al."The filament eruption of 1999 March 21 and its associated coronal dimmings and CME".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 6.3(2006):345-353.
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