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Coronal and chromospheric dimmings during a halo-type CME event
Jiang YC(姜云春); Yang LH(杨丽恒); Li KJ(李可军); Ren DB(任冬柏); Jiang, YC (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊ASTROPHYSICAL JOURNAL
2007-06-20
卷号662期号:2页码:L131-L134
DOI10.1086/519490
产权排序第1完成单位
收录类别SCI
关键词Sun : Activity Sun : Coronal Mass Ejections (Cmes) Sun : Filaments Sun : Flares Sun : Magnetic Fields Sun : Uv Radiation
摘要We present complementary solar observations of a filament eruption occurring in association with a halo-type coronal mass ejection ( CME) on 2006 July 6 in AR 10898. This eruption was followed by an M2.5 flare and has led to the formation of a pair of dimmings, observed in H alpha, over network patterns in regions of opposite magnetic polarities located near the ends of the eruptive filament. These dimmings, also clearly visible in He I 10830 angstrom, EUV, and soft X-rays, were preceded by distinct H alpha and EUV brightenings that first mark the dimming sites during the rise phase of the flare and then form bright edges, observable in EUV, around the growing dim regions. These dimmings have been attributed to a magnetic flux rope that is considered the origin of the CME as proposed in recent theories. The brightenings reported here are a new aspect of the CME hydromagnetic process that has not been included in existing theories. The roles and implications of the network patterns, brightenings, and sharp edges in the dimming evolutions are discussed.
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
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归档日期2007-06-18
WOS记录号WOS:000247248800021
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]MASS EJECTION ; FLARE ; IMAGER ; ERUPTION
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被引频次:22[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/114a53/6104
专题太阳物理研究组
通讯作者Jiang, YC (reprint author), Chinese Acad Sci, Yunnan Astron Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位National Astronomical Observatory/Yunnan Astronomical Observatory, Chinese Academy of Sciences, P.O. Box 110, Kunming 650011, China
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GB/T 7714
Jiang YC,Yang LH,Li KJ,et al. Coronal and chromospheric dimmings during a halo-type CME event[J]. ASTROPHYSICAL JOURNAL,2007,662(2):L131-L134.
APA Jiang YC,Yang LH,Li KJ,Ren DB,&Jiang, YC .(2007).Coronal and chromospheric dimmings during a halo-type CME event.ASTROPHYSICAL JOURNAL,662(2),L131-L134.
MLA Jiang YC,et al."Coronal and chromospheric dimmings during a halo-type CME event".ASTROPHYSICAL JOURNAL 662.2(2007):L131-L134.
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