Solar Flare Prediction Using Magnetic Field Diagnostics above the Photosphere
文献类型：期刊论文
| 作者 | Korsós,M. B.6,7; Georgoulis,M. K.8,9; Gyenge,N.10; Bisoi,S. K.11; Yu,S.1,11; Poedts,S.2,3; Nelson,C. J.4; Liu,J.5; Yan,Y.11; Erdélyi,R.5,7 |
| 刊名 | The Astrophysical Journal
 |
| 出版日期 | 2020-06-01 |
| 卷号 | 896期号:2 |
| 关键词 | The Sun Space weather Solar corona Solar flares Solar activity Solar photosphere Solar chromosphere Solar magnetic fields Solar active regions Sunspots Delta sunspots Solar active region magnetic fields |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/ab8fa2 |
| 英文摘要 | Abstract In this article, we present the application of the weighted horizontal gradient of magnetic field (WGM) flare prediction method to three-dimensional (3D) extrapolated magnetic configurations of 13 flaring solar active regions (ARs). The main aim is to identify an optimal height range, if any, in the interface region between the photosphere and lower corona, where the flare onset time prediction capability of WGM is best exploited. The optimal height is where flare prediction, by means of the WGM method, is achieved earlier than at the photospheric level. 3D magnetic structures, based on potential and nonlinear force-free field extrapolations, are constructed to study a vertical range from the photosphere up to the low corona with a 45 km step size. The WGM method is applied as a function of height to all 13 flaring AR cases that are subject to certain selection criteria. We found that applying the WGM method between 1000 and 1800 km above the solar surface would improve the prediction of the flare onset time by around 2–8 hr. Certain caveats and an outlook for future work along these lines are also discussed. |
| 语种 | 英语 |
| WOS记录号 | IOP:0004-637X-896-2-AB8FA2 |
| 出版者 | The American Astronomical Society |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/63558]  |
| 专题 | 中国科学院国家天文台 |
| 作者单位 | 1.New Jersey Institute of Technology, Center for Solar-Terrestrial Research, 323 Martin Luther King Blvd., Newark, NJ 07102, USA 2.Institute of Physics, University of Maria Curie-Sk?odowska, Lublin, Poland 3.Dept. Mathematics/Centre for Mathematical Plasma Astrophysics, KU Leuven, Celestijnenlaan 200B, B-3001 Leuven, Belgium 4.Astrophysics Research Centre (ARC), School of Mathematics and Physics, Queen’s University, Belfast, BT7 1NN, NI, UK 5.Solar Physics & Space Plasma Research Center (SP2RC), School of Mathematics and Statistics, University of Sheffield, Hounsfield Road, Sheffield, S3 7RH, UK 6.Department of Physics, Aberystwyth University, Ceredigion, Cymru, SY23 3BZ, UK 7.Department of Astronomy, E?tv?s Loránd University, Pázmány Péter sétány 1/A, H-1112 Budapest, Hungary; robertus@sheffield.ac.uk 8.Department of Physics & Astronomy, Georgia State University, Atlanta, GA 30303, USA 9.RCAAM of the Academy of Athens, 11527 Athens, Greece 10.Research Computing Support, IT services, The University of Sheffield, 10-12 Brunswick Street, Sheffield, S10 2FN, UK |
| 推荐引用方式 GB/T 7714 | Korsós,M. B.,Georgoulis,M. K.,Gyenge,N.,et al. Solar Flare Prediction Using Magnetic Field Diagnostics above the Photosphere[J]. The Astrophysical Journal,2020,896(2). |
| APA | Korsós,M. B..,Georgoulis,M. K..,Gyenge,N..,Bisoi,S. K..,Yu,S..,...&Erdélyi,R..(2020).Solar Flare Prediction Using Magnetic Field Diagnostics above the Photosphere.The Astrophysical Journal,896(2). |
| MLA | Korsós,M. B.,et al."Solar Flare Prediction Using Magnetic Field Diagnostics above the Photosphere".The Astrophysical Journal 896.2(2020). |
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