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DOI | 10.1029/2018GL078141 |
Mapping Saturn's Nightside Plasma Sheet Using Cassini's Proximal Orbits | |
Sergis, N.1,2; Achilleos, N.3; Guio, P.3; Arridge, C. S.4; Sorba, A. M.3; Roussos, E.5; Krimigis, S. M.1,6; Paranicas, C.6; Hamilton, D. C.7; Krupp, N.5; Mitchell, D. G.6; Dougherty, M. K.8; Balasis, G.2; Giannakis, O.2 | |
2018-07-28 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2018 |
卷号 | 45期号:14页码:6798-6804 |
文章类型 | Article |
语种 | 英语 |
国家 | Greece; England; Germany; USA |
英文摘要 | Between April and the end of its mission on 15 September, Cassini executed a series of 22 very similar 6.5-day-period proximal orbits, covering the mid-latitude region of the nightside magnetosphere. These passes provided us with the opportunity to examine the variability of the nightside plasma sheet within this time scale for the first time. We use Cassini particle and magnetic field data to quantify the magnetospheric dynamics along these orbits, as reflected in the variability of certain relevant plasma parameters, including the energetic ion pressure and partial (hot) plasma beta. We use the University College London/Achilleos-Guio-Arridge magnetodisk model to map these quantities to the conjugate magnetospheric equator, thus providing an equivalent equatorial radial profile for these parameters. By quantifying the variation in the plasma parameters, we further identify the different states of the nightside ring current (quiescent and disturbed) in order to confirm and add to the context previously established by analogous studies based on long-term, near-equatorial measurements. |
英文关键词 | magnetospheres Saturn Cassini |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000442582100006 |
WOS关键词 | MAGNETOSPHERE ; MODEL ; IONS ; MAGNETODISC ; PRESSURE ; FORCE |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/25836 |
专题 | 气候变化 |
作者单位 | 1.Acad Athens, Off Space Res & Technol, Athens, Greece; 2.Natl Observ Athens, Inst Astron Astrophys Space Applicat & Remote Sen, Athens, Greece; 3.UCL, Ctr Planetary Sci, Dept Phys & Astron, London, England; 4.Univ Lancaster, Dept Phys, Lancaster, England; 5.Max Planck Inst Solar Syst Res, Gottingen, Germany; 6.Johns Hopkins Univ, Appl Phys Lab, Laurel, MD USA; 7.Univ Maryland, Dept Phys, College Pk, MD 20742 USA; 8.Imperial Coll London, Blackett Lab, London, England |
推荐引用方式 GB/T 7714 | Sergis, N.,Achilleos, N.,Guio, P.,et al. Mapping Saturn's Nightside Plasma Sheet Using Cassini's Proximal Orbits[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(14):6798-6804. |
APA | Sergis, N..,Achilleos, N..,Guio, P..,Arridge, C. S..,Sorba, A. M..,...&Giannakis, O..(2018).Mapping Saturn's Nightside Plasma Sheet Using Cassini's Proximal Orbits.GEOPHYSICAL RESEARCH LETTERS,45(14),6798-6804. |
MLA | Sergis, N.,et al."Mapping Saturn's Nightside Plasma Sheet Using Cassini's Proximal Orbits".GEOPHYSICAL RESEARCH LETTERS 45.14(2018):6798-6804. |
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