globalchange  > 气候减缓与适应
DOI: 10.1029/2017JA025112
Scopus记录号: 2-s2.0-85050296680
论文题名:
Cassini RPWS Dust Observation Near the Janus/Epimetheus Orbit
作者: Ye S.-Y.; Kurth W.S.; Hospodarsky G.B.; Persoon A.M.; Gurnett D.A.; Morooka M.; Wahlund J.-E.; Hsu H.-W.; Seiß M.; Srama R.
刊名: Journal of Geophysical Research: Space Physics
ISSN: 21699380
出版年: 2018
卷: 123, 期:6
起始页码: 4952
结束页码: 4960
语种: 英语
英文关键词: dust ; ring ; Saturn
英文摘要: During the Ring Grazing orbits near the end of Cassini mission, the spacecraft crossed the equatorial plane near the orbit of Janus/Epimetheus (~2.5 Rs). This region is populated with dust particles that can be detected by the Radio and Plasma Wave Science (RPWS) instrument via an electric field antenna signal. Analysis of the voltage waveforms recorded on the RPWS antennas provides estimations of the density and size distribution of the dust particles. Measured RPWS profiles, fitted with Lorentzian functions, are shown to be mostly consistent with the Cosmic Dust Analyzer, the dedicated dust instrument on board Cassini. The thickness of the dusty ring varies between 600 and 1,000 km. The peak location shifts north and south within 100 km of the ring plane, likely a function of the precession phase of Janus orbit. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113800
Appears in Collections:气候减缓与适应

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作者单位: Department of Physics and Astronomy, University of Iowa, Iowa City, IA, United States; IRF-U, Uppsala, Sweden; LASP, University of Colorado Boulder, Boulder, CO, United States; Institute of Physics and Astronomy, University of Potsdam, Potsdam, Germany; Institute of Space Systems, University of Stuttgart, Stuttgart, Germany

Recommended Citation:
Ye S.-Y.,Kurth W.S.,Hospodarsky G.B.,et al. Cassini RPWS Dust Observation Near the Janus/Epimetheus Orbit[J]. Journal of Geophysical Research: Space Physics,2018-01-01,123(6)
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