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Properties of the Reconnecting Current Sheets in CME/Flare Events
Lin J(林隽)1,2; Li, J3; Ko, YK2,4; Raymond, JC2
Source PublicationAstronomical Society of the Pacific (ASP) Conference Series - SOHO-23: UNDERSTANDING A PECULIAR SOLAR MINIMUM
Author of SourceCranmer, SR; Hoeksema, JT; Kohl, JL
Contribution Rank第1完成单位
Indexed ByCPCI
Conference NameSOHO-23 Workshop on Understanding a Peculiar Solar Minimum
Conference Date2009-09-21
Conference PlaceNE Harbor, ME

Analyzing the data from the UVCS and other instruments on board SOHO, we studied the plasma features of current sheets observed in various temperatures. The results suggest a thick current sheet with small interior structures, which implies the development of plasma instabilities in the sheet. Direct measurements yielded the sheet thickness d between 5.0 x 10(4) and 4.6 x 10(5) km, increasing with both time and altitude. The possibility that large apparent d results from projection effects is examined and rejected. We derive theoretical scaling laws relating d to other observables that corroborate this conclusion and thus help confine both d and the electric resistivity eta(c) to a reasonable range.

Funding ProjectProgram 973[2006-CB806303] ; NSFC[40636031] ; NSFC[10873030] ; CAS[KJCX2-YWT04] ; NASA[NNX07AL72G]
Funding OrganizationProgram 973 ; NSFC ; CAS ; NASA
Subject Area天文学 ; 天体物理学 ; 太阳与太阳系
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeProceedings Paper
Publication Place390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA
WOS IDWOS:000287834900026
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordCoronal Mass Ejections ; Acceleration ; Resistivity ; Thickness
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Corresponding AuthorLin J(林隽)
Affiliation1.Yunnan Astronomical Observatory, P.O. Box 110, Kunming, Yunnan 650011, P. R. China
2.Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
3.Institute for Astronomy, University of Hawaii, Honolulu, HI 96822, USA
4.Space Science Division, Naval Research Laboratory, Washington, DC 20375, USA
Recommended Citation
GB/T 7714
Lin J,Li, J,Ko, YK,et al. Properties of the Reconnecting Current Sheets in CME/Flare Events[C]//Cranmer, SR; Hoeksema, JT; Kohl, JL. 390 ASHTON AVE, SAN FRANCISCO, CA 94112 USA:ASTRONOMICAL SOC PACIFIC,2010:177-180.
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