An Interplanetary Type IIIb Radio Burst Observed by Parker Solar Probe and Its Emission Mechanism
文献类型：期刊论文
| 作者 | Chen, Ling8; Ma, Bing7,8; Wu, Dejin8; Zhao, Guoqing6; Tang, Jianfei5 ; Bale, Stuart D.1,2,3,4
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| 刊名 | Astrophysical Journal Letters
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| 出版日期 | 2021-07-01 |
| 卷号 | 915期号:1页码:L22 |
| 关键词 | electron-cyclotron maser fine-structure alfven waves density statistics plume lines Astronomy & Astrophysics |
| ISSN号 | 2041-8205 |
| DOI | 10.3847/2041-8213/ac0b43 |
| 产权排序 | 4 |
| 文献子类 | Article |
| 英文摘要 | Type IIIb radio bursts were identified as a chain of quasi-periodic striae in dynamic spectra, drifting from high to low frequencies in a manner similar to type III bursts, which fine structures may provide a clue to a better understanding of emission mechanisms. The approaching observation of the Parker Solar Probe (PSP) spacecraft provides a new chance of probing type IIIb bursts in the vicinity of the Sun. In this Letter, combining the in situ measurement of PSP and the empirical model of solar atmospheres in open magnetic field regions, we analyze in detail a typical event of interplanetary (IP) type IIIb bursts observed by PSP, which was first reported by Pulupa et al. Our results show that the electron cyclotron maser (ECM) emission can probably play an important role in the excitation mechanism of the IP type IIIb burst and the formation of the fine striae structure may be attributed to the modulation of Alfven waves on the growth rate of the ECM instability. |
| URL标识 | 查看原文 |
| 语种 | 英语 |
| WOS记录号 | WOS:000669653400001 |
| 源URL | [http://ir.xao.ac.cn/handle/45760611-7/4707]  |
| 专题 | 太阳物理研究室_太阳物理研究团组 |
| 通讯作者 | Chen, Ling |
| 作者单位 | 1.School of Physics and Astronomy, Queen Mary University of London, London E1 4NS, UK 2.The Blackett Laboratory, Imperial College London, London SW7 2AZ, UK; 3.Physics Department, University of California, Berkeley, CA 94720-7300, USA; 4.Space Sciences Laboratory, University of California, Berkeley, CA 94720-7450, USA; 5.Xinjiang Astronomical Observatory, Chinese Academy of Sciences, Urumqi 830011, People’s Republic of China; 6.Institute of Space Physics, Luoyang Normal University, Luoyang, People’s Republic of China; 7.School of Astronomy and Space Science, University of Science and Technology of China, Hefei 230026, People’s Republic of China; 8.Key Laboratory of Planetary Sciences, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210023, People’s Republic of China; |
| 推荐引用方式 GB/T 7714 | Chen, Ling,Ma, Bing,Wu, Dejin,et al. An Interplanetary Type IIIb Radio Burst Observed by Parker Solar Probe and Its Emission Mechanism[J]. Astrophysical Journal Letters,2021,915(1):L22. |
| APA | Chen, Ling,Ma, Bing,Wu, Dejin,Zhao, Guoqing,Tang, Jianfei,&Bale, Stuart D..(2021).An Interplanetary Type IIIb Radio Burst Observed by Parker Solar Probe and Its Emission Mechanism.Astrophysical Journal Letters,915(1),L22. |
| MLA | Chen, Ling,et al."An Interplanetary Type IIIb Radio Burst Observed by Parker Solar Probe and Its Emission Mechanism".Astrophysical Journal Letters 915.1(2021):L22. |
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