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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.
Source PublicationCHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS
2006
Volume6Issue:3Pages:345-353
DOI10.1088/1009-9271/6/3/10
Contribution Rank第1完成单位
Indexed BySCI
KeywordSun : Activity Sun : Filaments Sun : Coronal Mass Ejections(Cmes) Sun : Magnetic Fields
AbstractWe 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.
Language英语
Subject AreaAstronomy & Astrophysics
SubtypeArticle
ISSN1009-9271
URL查看原文
Archive Date2006-06-21
WOS IDWOS:000238416500010
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordMASS EJECTIONS ; PROMINENCE ERUPTION ; GEOMAGNETIC STORM ; MAGNETIC-FLUX ; FLARES ; EIT ; RECONNECTION ; TELESCOPE ; EVOLUTION ; MISSION
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/6095
Collection太阳物理研究组
Corresponding AuthorJiang, YC (reprint author), Chinese Acad Sci, Natl Astron Observ, Yunnan Observ, Kunming 650011, Peoples R China.
AffiliationNational Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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