A new pathway of saturnian ring-ionosphere coupling via charged nanograins

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题名:	A new pathway of saturnian ring-ionosphere coupling via charged nanograins
作者:	葉永烜;Liu, Chin-Min;Ip, Wing-Huen
贡献者:	理學院天文研究所
关键词:	ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;Cassini mission;Charging;COUPLING;Depletion;Equatorial atmosphere;Equatorial regions;Grains;INJECTION;IONOSPHERE;Joining;MAGNETIC FIELDS;MASS;Nanostructure;NANOSTRUCTURES;PLANETS;SATELLITE ATMOSPHERES;SATELLITES;TRAJECTORIES
日期:	2014-05-01
上传时间:	2026-04-21 14:26:52 (UTC+8)
出版者:	IOP Publishing Ltd.;United States
摘要:	摘要： From a re-examination of the trajectories of small charged grains in the vicinity of the Saturnian rings, it is shown that the orbital motion of positively charged grains with a charge-to-mass ratio on the order of 10 super(-6) e amu super(-1) could allow the injection of water material into the equatorial atmosphere. Thus, a mechanism of ionospheric depletion in the equatorial region is provided, as indicated by the Cassini radio occultation measurements. 出版者： United States 出版日期： 2014-05-01 出處： The Astrophysical journal, 2014-05, Vol.786 (1), p.34-8 資源來源： Institute of Physics Journals 識別號： ISSN: 0004-637X 識別號： ISSN: 1538-4357 識別號： EISSN: 1538-4357 識別號： DOI: 10.1088/0004-637X/786/1/34
显示于类别:	[天文研究所] 期刊論文

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