| DOI: | 10.1029/2018JA025628
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| Scopus记录号: | 2-s2.0-85052624157
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| 论文题名: | The Meridional Magnetic Field Lines of Saturn |
| 作者: | Carbary J.F.
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| 刊名: | Journal of Geophysical Research: Space Physics
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| ISSN: | 21699380
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| 出版年: | 2018
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| 卷: | 123, 期:8 | | 起始页码: | 6264
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| 结束页码: | 6276
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| 语种: | 英语
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| 英文关键词: | magnetic field lines
; Saturn magnetic field
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| 英文摘要: | The magnetometer data for the Cassini mission (2004–2016) are used to derive a model of Saturn's meridional magnetic field lines. Using a bin map of the Bρ and Bz field components, the field lines can be traced from the equator to high latitudes in the inner magnetosphere. The traces reveal a magnetic field greatly compressed on the dayside and highly elongated on the nightside, which are presumably the effects of solar wind compression and viscous flow around the magnetosphere. A model of the traced field lines can accommodate this day-night asymmetry and offer a way to connect various places in the magnetosphere. This model can be adjusted for magnetodisk warping by using solar latitude. The field line traces can be mapped down to the ionosphere using an offset dipole. The dayside magnetopause (L = 21) is mapped to colatitudes of ~13° in the north and ~16° in the south, while for L > 25 on the nightside, the mapped field lines approach asymptotic limits of ~16° in the north and ~18° in the south. ©2018. American Geophysical Union. All Rights Reserved. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/113451
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| Appears in Collections: | 气候减缓与适应
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作者单位: | Applied Physics Laboratory, The Johns Hopkins University, Laurel, MD, United States
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| Recommended Citation: | |
Carbary J.F.. The Meridional Magnetic Field Lines of Saturn[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(8)
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