ATTENUATION OF CORONAL MAGNETIC FIELDS IN SOLAR MICROWAVE BURSTS
文献类型：期刊论文
| 作者 | Huang, Guangli1,2; Li, Jianping1,2,3 ; Song, Qiwu1,2,4; Tan, Baolin4,5; Huang, Yu1,2; Wu, Zhao6,7
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| 刊名 | ASTROPHYSICAL JOURNAL
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| 出版日期 | 2015-06-10 |
| 卷号 | 806期号:1页码:12 |
| 关键词 | Sun: corona Sun: flares Sun: magnetic fields Sun: radio radiation |
| 英文摘要 | Based on the observed data by the Nobeyama Radio Observatory and the nonthermal gyrosynchrotron theory, the calculated magnetic field in a loop-like radio source of the 2001 October 23 flare attenuates from hundreds to tens of Gauss,. except in the region with very weak magnetic fields. Meanwhile, the viewing angle between the magnetic field and line of sight has a similar attenuation from tens to around ten degrees, implying that the transverse magnetic component attenuates much faster than the longitudinal one. All of these results can be understood by the magnetic energy release process in solar flares. Moreover, the column density of nonthermal electrons decreases from 109-10 to 107-8 cm(-2) during the flare, except in the region with very weak magnetic fields, where its value is larger than that with strong magnetic fields due to the mirroring effect. The calculated error and harmonic number of gyrofrequency better suit the region with strong magnetic fields. |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 学科主题 | 天文和天体物理 |
| 类目[WOS] | Astronomy & Astrophysics |
| 研究领域[WOS] | Astronomy & Astrophysics |
| 关键词[WOS] | 2011 FEBRUARY 15 ; GYROSYNCHROTRON EMISSION ; THERMAL ELECTRONS ; FLARE ; ENERGY ; SIGNATURE ; RADIATION ; I. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000356810300012 |
| 源URL | [http://libir.pmo.ac.cn/handle/332002/14916]  |
| 专题 | 紫金山天文台_太阳活动的多波段观测研究团组 |
| 作者单位 | 1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China 2.Chinese Acad Sci, Key Lab Space Astron & Dark Matter, Nanjing 210008, Jiangsu, Peoples R China 3.Nanjing Univ, Key Lab Modern Astron & Astrophys, Minist Educ, Nanjing 210093, Jiangsu, Peoples R China 4.Chinese Acad Sci, Key Lab Solar Act, Beijing 100012, Peoples R China 5.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China 6.Shandong Univ, Inst Space Sci, Weihai 264209, Peoples R China 7.Shandong Univ, Sch Space Sci & Phys, Weihai 264209, Peoples R China |
| 推荐引用方式 GB/T 7714 | Huang, Guangli,Li, Jianping,Song, Qiwu,et al. ATTENUATION OF CORONAL MAGNETIC FIELDS IN SOLAR MICROWAVE BURSTS[J]. ASTROPHYSICAL JOURNAL,2015,806(1):12. |
| APA | Huang, Guangli,Li, Jianping,Song, Qiwu,Tan, Baolin,Huang, Yu,&Wu, Zhao.(2015).ATTENUATION OF CORONAL MAGNETIC FIELDS IN SOLAR MICROWAVE BURSTS.ASTROPHYSICAL JOURNAL,806(1),12. |
| MLA | Huang, Guangli,et al."ATTENUATION OF CORONAL MAGNETIC FIELDS IN SOLAR MICROWAVE BURSTS".ASTROPHYSICAL JOURNAL 806.1(2015):12. |
入库方式： OAI收割
来源：紫金山天文台
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