Turbulence and Heating in the Flank and Wake Regions of a Coronal Mass Ejection
文献类型：期刊论文
| 作者 | Fan, Siteng1; He, Jiansen1; Yan, Limei2; Tomczyk, Steven3; Tian, Hui1; Song, Hongqiang4; Wang, Linghua1; Zhang, Lei5 |
| 刊名 | SOLAR PHYSICS
 |
| 出版日期 | 2018 |
| 卷号 | 293期号:1 |
| ISSN号 | 0038-0938 |
| 关键词 | Turbulence Coronal Mass Ejections Heating Low Coronal Signatures Coronal |
| DOI | 10.1007/s11207-017-1221-1 |
| 文献子类 | Article |
| 英文摘要 | As a coronal mass ejection (CME) passes, the flank and wake regions are typically strongly disturbed. Various instruments, including the Large Angle and Spectroscopic Coronagraph (LASCO), the Atmospheric Imaging Assembly (AIA), and the Coronal Multi-channel Polarimeter (CoMP), observed a CME close to the east limb on 26 October 2013. A hot (approximate to 10 MK) rising blob was detected on the east limb, with an initial ejection flow speed of approximate to 330 kms(-1). The magnetic structures on both sides and in the wake of the CME were strongly distorted, showing initiation of turbulent motions with Doppler-shift oscillations enhanced from approximate to +/- 3 kms(-1) to approximate to +/- 15 kms(-1) and effective thermal velocities from approximate to 30 kms(-1) to approximate to 60 kms(-1), according to the CoMP observations at the Fe XIII line. The CoMP Doppler-shift maps suggest that the turbulence behaved differently at various heights; it showed clear wave-like torsional oscillations at lower altitudes, which are interpreted as the antiphase oscillation of an alternating red/blue Doppler shift across the strands at the flank. The turbulence seems to appear differently in the channels of different temperatures. Its turnover time was approximate to 1000 seconds for the Fe 171 A channel, while it was approximate to 500 seconds for the Fe 193 A channel. Mainly horizontal swaying rotations were observed in the Fe 171 A channel, while more vertical vortices were seen in the Fe 193 A channel. The differential-emission-measure profiles in the flank and wake regions have two components that evolve differently: the cool component decreased over time, evidently indicating a drop-out of cool materials due to ejection, while the hot component increased dramatically, probably because of the heating process, which is suspected to be a result of magnetic reconnection and turbulence dissipation. These results suggest a new turbulence-heating scenario of the solar corona and solar wind. |
| WOS关键词 | MAGNETIC RECONNECTION ; SOLAR CORONA ; WAVES ; FLARES ; CMES ; OSCILLATIONS ; HELIOSPHERE ; EXCITATION ; COLLISION ; CATALOG |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| 出版者 | SPRINGER |
| WOS记录号 | WOS:000423067600003 |
| 资助机构 | NSFC(41574168 ; NSFC(41574168 ; National Young Talent Support Program of China ; National Young Talent Support Program of China ; National Science Foundation ; National Science Foundation ; National Postdoctoral Program for Innovative Talents(BX201600159) ; National Postdoctoral Program for Innovative Talents(BX201600159) ; Recruitment Program of Global Experts of China ; Recruitment Program of Global Experts of China ; 41231069 ; 41231069 ; 41474148 ; 41474148 ; 41774183 ; 41774183 ; 41421003 ; 41421003 ; 41574166) ; 41574166) ; NSFC(41574168 ; NSFC(41574168 ; National Young Talent Support Program of China ; National Young Talent Support Program of China ; National Science Foundation ; National Science Foundation ; National Postdoctoral Program for Innovative Talents(BX201600159) ; National Postdoctoral Program for Innovative Talents(BX201600159) ; Recruitment Program of Global Experts of China ; Recruitment Program of Global Experts of China ; 41231069 ; 41231069 ; 41474148 ; 41474148 ; 41774183 ; 41774183 ; 41421003 ; 41421003 ; 41574166) ; 41574166) ; NSFC(41574168 ; NSFC(41574168 ; National Young Talent Support Program of China ; National Young Talent Support Program of China ; National Science Foundation ; National Science Foundation ; National Postdoctoral Program for Innovative Talents(BX201600159) ; National Postdoctoral Program for Innovative Talents(BX201600159) ; Recruitment Program of Global Experts of China ; Recruitment Program of Global Experts of China ; 41231069 ; 41231069 ; 41474148 ; 41474148 ; 41774183 ; 41774183 ; 41421003 ; 41421003 ; 41574166) ; 41574166) ; NSFC(41574168 ; NSFC(41574168 ; National Young Talent Support Program of China ; National Young Talent Support Program of China ; National Science Foundation ; National Science Foundation ; National Postdoctoral Program for Innovative Talents(BX201600159) ; National Postdoctoral Program for Innovative Talents(BX201600159) ; Recruitment Program of Global Experts of China ; Recruitment Program of Global Experts of China ; 41231069 ; 41231069 ; 41474148 ; 41474148 ; 41774183 ; 41774183 ; 41421003 ; 41421003 ; 41574166) ; 41574166) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/82581]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | He, Jiansen |
| 作者单位 | 1.Peking Univ, Sch Earth & Space Sci, Beijing 100871, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Earth & Planetary Phys, Beijing 100029, Peoples R China 3.Natl Ctr Atmospher Res, High Altitude Observ, Pob 3000, Boulder, CO 80307 USA 4.Shandong Univ, Sch Space Sci & Phys, Weihai 264209, Peoples R China 5.Chinese Acad Sci, State Key Lab Space Weather, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Fan, Siteng,He, Jiansen,Yan, Limei,et al. Turbulence and Heating in the Flank and Wake Regions of a Coronal Mass Ejection[J]. SOLAR PHYSICS,2018,293(1). |
| APA | Fan, Siteng.,He, Jiansen.,Yan, Limei.,Tomczyk, Steven.,Tian, Hui.,...&Zhang, Lei.(2018).Turbulence and Heating in the Flank and Wake Regions of a Coronal Mass Ejection.SOLAR PHYSICS,293(1). |
| MLA | Fan, Siteng,et al."Turbulence and Heating in the Flank and Wake Regions of a Coronal Mass Ejection".SOLAR PHYSICS 293.1(2018). |
入库方式： OAI收割
来源：地质与地球物理研究所
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