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The Origin of Solar Filament Plasma Inferred from In Situ Observations of Elemental Abundances
Song, H. Q.1,2,3; Chen, Y.1,2; Li, B.1,2; Li, L. P.3; Zhao, L.4; He, J. S.5; Duan, D.5; Cheng, X.6; Zhang, J.7
2017-02-10
发表期刊ASTROPHYSICAL JOURNAL LETTERS
卷号836期号:1
摘要Solar filaments/prominences are one of the most common features in the corona, which may lead to energetic coronal mass ejections (CMEs) and flares when they erupt. Filaments are about 100 times cooler and denser than the coronal material, and physical understanding of their material origin remains controversial. Two types of scenarios have been proposed: one argues that the filament plasma is brought into the corona from photosphere or chromosphere through a siphon or evaporation/injection process, while the other suggests that the material condenses from the surrounding coronal plasma due to thermal instability. The elemental abundance analysis is a reasonable clue to constrain the models, as the siphon or evaporation/injection model would predict that the filament material abundances are close to the photospheric or chromospheric ones, while the condensation model should have coronal abundances. In this Letter, we analyze the elemental abundances of a magnetic cloud that contains the ejected filament material. The corresponding filament eruption occurred on 1998 April 29, accompanying an M6.8 class soft X-ray flare located at the heliographic coordinates S18E20 (NOAA 08210) and a fast halo CME with the linear velocity of 1374 km s(-1) near the Sun. We find that the abundance ratios of elements with low and high first ionization potential such as Fe/O, Mg/O, and Si/O are 0.150, 0.050, and 0.070, respectively, approaching their corresponding photospheric values 0.065, 0.081, and 0.066, which does not support the coronal origin of the filament plasma.
文章类型Article
关键词Sun: Abundances Sun: Coronal Mass Ejections (Cmes) Sun: Filaments Prominences
WOS标题词Science & Technology ; Physical Sciences
资助者NSFC(41274177 ; NSFC(41274177 ; US NSF(AGS-1249270) ; US NSF(AGS-1249270) ; NSF(AGS-1156120 ; NSF(AGS-1156120 ; open research program of CAS Key Laboratory of Solar Activity ; open research program of CAS Key Laboratory of Solar Activity ; 41274175 ; 41274175 ; AGS-1344835 ; AGS-1344835 ; 41331068) ; 41331068) ; AGS-1621686) ; AGS-1621686) ; NSFC(41274177 ; NSFC(41274177 ; US NSF(AGS-1249270) ; US NSF(AGS-1249270) ; NSF(AGS-1156120 ; NSF(AGS-1156120 ; open research program of CAS Key Laboratory of Solar Activity ; open research program of CAS Key Laboratory of Solar Activity ; 41274175 ; 41274175 ; AGS-1344835 ; AGS-1344835 ; 41331068) ; 41331068) ; AGS-1621686) ; AGS-1621686)
DOI10.3847/2041-8213/aa5d54
关键词[WOS]CORONAL MASS EJECTIONS ; CYCLE 23 ; WIND ; ACE ; REGION ; DISTRIBUTIONS ; SPACECRAFT ; PROTONS ; MISSION ; SWICS
收录类别SCI
语种英语
资助者NSFC(41274177 ; NSFC(41274177 ; US NSF(AGS-1249270) ; US NSF(AGS-1249270) ; NSF(AGS-1156120 ; NSF(AGS-1156120 ; open research program of CAS Key Laboratory of Solar Activity ; open research program of CAS Key Laboratory of Solar Activity ; 41274175 ; 41274175 ; AGS-1344835 ; AGS-1344835 ; 41331068) ; 41331068) ; AGS-1621686) ; AGS-1621686) ; NSFC(41274177 ; NSFC(41274177 ; US NSF(AGS-1249270) ; US NSF(AGS-1249270) ; NSF(AGS-1156120 ; NSF(AGS-1156120 ; open research program of CAS Key Laboratory of Solar Activity ; open research program of CAS Key Laboratory of Solar Activity ; 41274175 ; 41274175 ; AGS-1344835 ; AGS-1344835 ; 41331068) ; 41331068) ; AGS-1621686) ; AGS-1621686)
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
WOS记录号WOS:000402913600001
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/8809
专题太阳物理研究部
作者单位1.Shandong Univ, Shandong Prov Key Lab Opt Astron & Solar Terr Env, Weihai 264209, Shandong, Peoples R China
2.Shandong Univ, Inst Space Sci, Weihai 264209, Shandong, Peoples R China
3.Chinese Acad Sci, Key Lab Solar Act, Natl Astron Observ, Beijing 100012, Peoples R China
4.Univ Michigan, Dept Climate & Space Sci & Engn, Ann Arbor, MI 48105 USA
5.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China
6.Nanjing Univ, Sch Astron & Space Sci, Nanjing 210093, Jiangsu, Peoples R China
7.George Mason Univ, Dept Phys & Astron, Fairfax, VA 22030 USA
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Song, H. Q.,Chen, Y.,Li, B.,et al. The Origin of Solar Filament Plasma Inferred from In Situ Observations of Elemental Abundances[J]. ASTROPHYSICAL JOURNAL LETTERS,2017,836(1).
APA Song, H. Q..,Chen, Y..,Li, B..,Li, L. P..,Zhao, L..,...&Zhang, J..(2017).The Origin of Solar Filament Plasma Inferred from In Situ Observations of Elemental Abundances.ASTROPHYSICAL JOURNAL LETTERS,836(1).
MLA Song, H. Q.,et al."The Origin of Solar Filament Plasma Inferred from In Situ Observations of Elemental Abundances".ASTROPHYSICAL JOURNAL LETTERS 836.1(2017).
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