CORONAL MAGNETIC RECONNECTION DRIVEN BY CME EXPANSION-THE 2011 JUNE 7 EVENT
文献类型：期刊论文
| 作者 | van Driel-Gesztelyi, L1,2,3; Baker, D1; Torok, T4; Pariat, E2; Green, LM1; Williams, DR1; Carlyle, J1,5; Valori, G2; Demoulin, P2; Berhard Kliem1,6,7 |
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2014-06-10 |
| 卷号 | 788期号:1 |
| 关键词 | magnetic reconnection magnetohydrodynamics (MHD) Sun: corona Sun: coronal mass ejections (CMEs) Sun: magnetic fields Sun: UV radiation |
| ISSN号 | 0004-637X |
| 产权排序 | 第七完成单位 |
| 通讯作者 | van Driel-Gesztelyi, L (reprint author), Univ Coll London, Mullard Space Sci Lab, Holmbury St Mary, Dorking RH5 6NT, Surrey, England. |
| 英文摘要 | Coronal mass ejections (CMEs) erupt and expand in a magnetically structured solar corona. Various indirect observational pieces of evidence have shown that the magnetic field of CMEs reconnects with surrounding magnetic fields, forming, e.g., dimming regions distant from the CME source regions. Analyzing Solar Dynamics Observatory (SDO) observations of the eruption from AR 11226 on 2011 June 7, we present the first direct evidence of coronal magnetic reconnection between the fields of two adjacent active regions during a CME. The observations are presented jointly with a data-constrained numerical simulation, demonstrating the formation/intensification of current sheets along a hyperbolic flux tube at the interface between the CME and the neighboring AR 11227. Reconnection resulted in the formation of new magnetic connections between the erupting magnetic structure from AR 11226 and the neighboring active region AR 11227 about 200 Mm from the eruption site. The onset of reconnection first becomes apparent in the SDO/AIA images when filament plasma, originally contained within the erupting flux rope, is redirected toward remote areas in AR 11227, tracing the change of large-scale magnetic connectivity. The location of the coronal reconnection region becomes bright and directly observable at SDO/AIA wavelengths, owing to the presence of down-flowing cool, dense (1010 cm(-3)) filament plasma in its vicinity. The high-density plasma around the reconnection region is heated to coronal temperatures, presumably by slow-mode shocks and Coulomb collisions. These results provide the first direct observational evidence that CMEs reconnect with surrounding magnetic structures, leading to a large-scale reconfiguration of the coronal magnetic field. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | Astronomy & Astrophysics |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | DYNAMICS-OBSERVATORY SDO ; DERIVING PROMINENCE MASS ; HYPERBOLIC FLUX TUBES ; SOLAR-FLARE ; ABSORPTION FEATURES ; RETURNING PLASMA ; EJECTION ; ERUPTION ; MODEL ; WAVE |
| 收录类别 | SCI |
| 原文出处 | http://iopscience.iop.org/article/10.1088/0004-637X/788/1/85/meta |
| 语种 | 英语 |
| WOS记录号 | WOS:000337095200085 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/6250]  |
| 专题 | 云南天文台_太阳物理研究组 |
| 作者单位 | 1.University College London, Mullard Space Science Laboratory, Holmbury St Mary, Dorking, Surrey RH5 6NT, UK 2.Observatoire de Paris, LESIA, UMR 8109 (CNRS), F-92195 Meudon-Principal Cedex, France 3.Konkoly Observatory of the Hungarian Academy of Sciences, Budapest, Hungary 4.Predictive Science Inc., 9990 Mesa Rim Road, Street 170, San Diego, CA 92121, USA 5.Max-Planck Institut für Sonnensystemforschung, D-37191 Katlenburg-Lindau, Germany 6.Institut für Physik und Astronomie, Universität Potsdam, Karl-Liebknecht-Str. 24-25, D-14476 Potsdam, Germany 7.Yunnan Observatory, Chinese Academy of Sciences, Kunming, Yunnan 650011, China |
| 推荐引用方式 GB/T 7714 | van Driel-Gesztelyi, L,Baker, D,Torok, T,et al. CORONAL MAGNETIC RECONNECTION DRIVEN BY CME EXPANSION-THE 2011 JUNE 7 EVENT[J]. ASTROPHYSICAL JOURNAL,2014,788(1). |
| APA | van Driel-Gesztelyi, L.,Baker, D.,Torok, T.,Pariat, E.,Green, LM.,...&Malherbe, JM.(2014).CORONAL MAGNETIC RECONNECTION DRIVEN BY CME EXPANSION-THE 2011 JUNE 7 EVENT.ASTROPHYSICAL JOURNAL,788(1). |
| MLA | van Driel-Gesztelyi, L,et al."CORONAL MAGNETIC RECONNECTION DRIVEN BY CME EXPANSION-THE 2011 JUNE 7 EVENT".ASTROPHYSICAL JOURNAL 788.1(2014). |
入库方式： OAI收割
来源：云南天文台
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。