Electron sources in Saturn's magnetosphere
نویسندگان
چکیده
منابع مشابه
Electron sources in Saturn’s magnetosphere
[1] We investigate the sources of two different electron components in Saturn’s inner magnetosphere (5 < L < 12 Rs) by performing phase space density (f(v)) analyses of electron measurements made by the Cassini CAPS instrument (1 eV to 28 keV). Because pitch angle distributions indicate that the traditional single particle invariants of gyration and bounce are not appropriate, we use a formulat...
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[1] Observations of the electron density ne based on measurement of the upper hybrid resonance frequency by the Polar spacecraft Plasma Wave Instrument (PWI) are available for March 1996 to September 1997, during which time the Polar orbit sampled all MLT values three times. In a previous study, we modeled the electron density dependence along field lines as ne = ne0(Rmax/R) , where ne0 is the ...
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a The Johns Hopkins University Applied Physics Laboratory, MS MP3-E128, 11100 Johns Hopkins Rd., Laurel, MD 20723, USA b Department of Physics, University of Maryland, College Park, MD 20742, USA c Max-Planck-Institut fuer Sonnensystemforschung, 37191 Katlenburg-Lindau, Germany d MSSL, University College London, Holmbury St. Mary, Dorking, Surrey RH5 6NT, UK e Centre for Planetary Sciences, Uni...
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[1] Cassini fields and particles observations show clear evidence of periodic phenomena in Saturn’s magnetosphere. Periodicities have been observed in kilometric radio emissions, total electron density (in the inner magnetosphere), magnetic fields, and energetic particles (in the outer magnetosphere). In this letter the first analysis of periodicities in thermal electron densities in Saturn’s o...
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ژورنال
عنوان ژورنال: Journal of Geophysical Research: Space Physics
سال: 2007
ISSN: 0148-0227
DOI: 10.1029/2006ja012017