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Analysis of Intense...
Analysis of Intense Z-Mode Emission Observed During the Cassini Proximal Orbits
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- Menietti, J. D. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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- Averkamp, T. F. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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Ye, S. -Y (author)
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- Sulaiman, A. H. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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- Morooka, Michiko (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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- Persoon, A. M. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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- Hospodarsky, G. B. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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- Kurth, W. S. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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- Gurnett, D. A. (author)
- Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
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- Wahlund, Jan-Erik (author)
- Uppsala universitet,Institutet för rymdfysik, Uppsalaavdelningen
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(creator_code:org_t)
- 2018
- 2018
- English.
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In: Geophysical Research Letters. - 0094-8276 .- 1944-8007. ; 45:14, s. 6766-6772
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- The role of Z-mode emission in the diffusive scattering and resonant acceleration of electrons is believed to be important at Saturn. A survey of the 5kHz component of this emission at Saturn earlier reported strong intensity in the lower density regions where the ratio of plasma frequency to cyclotron frequency, f(p)/f(c)<1. At Saturn this occurs along the inner edge of the Enceladus torus near the equator and at higher latitudes. Using the Cassini Radio and Plasma Wave Science instrument observations during the Cassini proximal orbits, we have now identified these emissions extending down to and within the ionosphere. Wave polarization measurements and unique frequency cutoffs are used to positively identify the wave mode. Analogous to the role of whistler mode chorus at Earth, Saturn Z-mode emissions may interact with electrons contributing to the filling or depleting of Saturn's inner radiation belts.
Subject headings
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Keyword
- Z-mode emission
- Saturn proximal orbits
- wave source region
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Menietti, J. D.
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Averkamp, T. F.
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Ye, S. -Y
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Sulaiman, A. H.
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Morooka, Michiko
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Persoon, A. M.
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show more...
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Hospodarsky, G. ...
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Kurth, W. S.
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Gurnett, D. A.
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Wahlund, Jan-Eri ...
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Fusion Plasma an ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
- Articles in the publication
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Geophysical Rese ...
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Uppsala University