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| DOI | 10.1029/2020GL088075 |
| Proton Properties in Mercury's Magnetotail: A Statistical Study | |
| Zhao J.-T.; Zong Q.-G.; Slavin J.A.; Sun W.-J.; Zhou X.-Z.; Yue C.; Raines J.M.; Ip W.-H. | |
| 发表日期 | 2020 |
| ISSN | 0094-8276 |
| 卷号 | 47期号:19 |
| 英文摘要 | This study investigates the properties of protons in the magnetotail plasma sheet of Mercury. By superposing 5-year measurements from the MESSENGER spacecraft, we obtain the average energy spectrum of protons in the plasma sheet, which can be fitted nicely by the Gaussian-Kappa model. The proton density, pressure, and energy spectral index κ are found to be higher on the dawnside than on the duskside. The proton temperature shows a clearly outward radial gradient. The field-aligned density profile indicates that the protons in the outer plasma sheet move adiabatically. The pitch angle distribution reveals the reflected fluxes to be always less than the incident fluxes and indicates the loss of protons due to their impact on the planetary surface. ©2020. American Geophysical Union. All Rights Reserved. |
| 英文关键词 | Earth sciences; Geophysics; Density profile; Energy spectral; MESSENGER spacecraft; Pitch angle distribution; Planetary surfaces; Proton temperatures; Radial gradient; Statistical study; Plasma sheaths; magnetotail; Mercury (planet); model; statistical analysis; temperature effect |
| 语种 | 英语 |
| 来源期刊 | Geophysical Research Letters
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/169669 |
| 作者单位 | School of Earth and Space Sciences, Peking University, Beijing, China; Department of Climate and Space Sciences and Engineering, University of Michigan, Ann Arbor, MI, United States; Institute of Astronomy, National Central University, Jhongli, Taiwan; Space Science Institute, Macau University of Science and Technology, Macau |
| 推荐引用方式 GB/T 7714 | Zhao J.-T.,Zong Q.-G.,Slavin J.A.,et al. Proton Properties in Mercury's Magnetotail: A Statistical Study[J],2020,47(19). |
| APA | Zhao J.-T..,Zong Q.-G..,Slavin J.A..,Sun W.-J..,Zhou X.-Z..,...&Ip W.-H..(2020).Proton Properties in Mercury's Magnetotail: A Statistical Study.Geophysical Research Letters,47(19). |
| MLA | Zhao J.-T.,et al."Proton Properties in Mercury's Magnetotail: A Statistical Study".Geophysical Research Letters 47.19(2020). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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