Energy Build-up and Triggering Leading to a M1.5 Flare on 1 August 2014
文献类型：期刊论文
| 作者 | Liu, S.1,2; Su, J. T.1,2 |
| 刊名 | SOLAR PHYSICS
 |
| 出版日期 | 2018-12-01 |
| 卷号 | 293期号:12页码:15 |
| 关键词 | Magnetic field Solar flare Trigger Magnetic emergence |
| ISSN号 | 0038-0938 |
| DOI | 10.1007/s11207-018-1362-x |
| 英文摘要 | The energy storage and trigger mechanisms of solar flares are important for understanding solar activity. We analyzed multi-wavelength observations of a M1.5 flare on 1 August 2014, in active region NOAA 12127 (SOL2014-08-01T18:13). There are evident large-scale sunspot rotations in positive magnetic field of the main energy-release region before the eruption; the rotations contain both clockwise and counter-clockwise directions. Injection of magnetic helicity from the photosphere is prior to the flare. The sign of the helicity injection is reversed after the flare. It is found that both persistent larger-scale (approximate to one to two hours) magnetic-flux emergences are associated with the flare. We conclude that larger-scale flux emergence, helicity injection, and sunspot rotation contribute to the energy build up, while the small-scale magnetic-flux emergence plays a crucial role in triggering the flare. |
| WOS关键词 | MAGNETIC RECONNECTION ; ACTIVE-REGION ; EMERGING FLUX ; HELICITY ; MODEL ; CORONA ; FIELD |
| 资助项目 | Strategic Priority Research Program on Space Science, CAS[XDA15052200] ; Strategic Priority Research Program on Space Science, CAS[XDA15320201] ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; [KJCX2-EW-T07] ; [2014FY120300] ; [11203036] ; [11473039] ; [U1531247] ; [11673033] ; [11773038] ; [11703042] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:000454535300001 |
| 出版者 | SPRINGER |
| 资助机构 | Strategic Priority Research Program on Space Science, CAS ; Strategic Priority Research Program on Space Science, CAS ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, CAS ; Strategic Priority Research Program on Space Science, CAS ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, CAS ; Strategic Priority Research Program on Space Science, CAS ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Strategic Priority Research Program on Space Science, CAS ; Strategic Priority Research Program on Space Science, CAS ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences ; Key Laboratory of Solar Activity National Astronomical Observations, Chinese Academy of Sciences |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/24324]  |
| 专题 | 中国科学院国家天文台 |
| 通讯作者 | Liu, S. |
| 作者单位 | 1.Chinese Acad Sci, Natl Astron Observ, Key Lab Solar Act, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, S.,Su, J. T.. Energy Build-up and Triggering Leading to a M1.5 Flare on 1 August 2014[J]. SOLAR PHYSICS,2018,293(12):15. |
| APA | Liu, S.,&Su, J. T..(2018).Energy Build-up and Triggering Leading to a M1.5 Flare on 1 August 2014.SOLAR PHYSICS,293(12),15. |
| MLA | Liu, S.,et al."Energy Build-up and Triggering Leading to a M1.5 Flare on 1 August 2014".SOLAR PHYSICS 293.12(2018):15. |
入库方式： OAI收割
来源：国家天文台
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