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dc.contributor.author
Richard, M. S.
dc.contributor.author
Cravens, T. E.
dc.contributor.author
Wylie, C.
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Webb, D.
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Chediak, Q.
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Mandt, K.
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Waite Jr, J. H.
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Rymer, A.
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Bertucci, Cesar
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Wellbrock, A.
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Windsor, A.
dc.contributor.author
Coates, A. J.
dc.date.available
2017-05-29T14:50:55Z
dc.date.issued
2015-02
dc.identifier.citation
Richard, M. S.; Cravens, T. E.; Wylie, C.; Webb, D.; Chediak, Q.; et al.; An empirical approach to modeling ion production rates in Titan's ionosphere II: Ion production rates on the nightside; American Geophysical Union; Journal Of Geophysical Research; 120; 2; 2-2015; 1281-1298
dc.identifier.issn
0148-0227
dc.identifier.uri
http://hdl.handle.net/11336/17049
dc.description.abstract
onization of neutrals by precipitating electrons and ions is the main source of Titan's nightside ionosphere. This paper has two goals: (1) characterization of the role of electron impact ionization on the nightside ionosphere for different magnetospheric conditions and (2) presentation of empirical ion production rates determined using densities measured by the Cassini Ion and Neutral Mass Spectrometer on the nightside. The ionosphere between 1000 and 1400 km is emphasized. We adopt electron fluxes measured by the Cassini Plasma Spectrometer-Electron Spectrometer and the Magnetospheric Imaging Instrument as classified by Rymer et al. (2009). The current paper follows an earlier paper (Paper I), in which we investigated sources of Titan's dayside ionosphere and demonstrated that the photoionization process is well understood. The current paper (Paper II) demonstrates that modeled and empirical ionization rates on the nightside are in agreement with an electron precipitation source above 1100 km. Ion production rate profiles appropriate for different Saturnian magnetospheric conditions, as outlined by Rymer et al., are constructed for various magnetic field topologies. Empirical production rate profiles are generated for deep nightside flybys of Titan. The results also suggest that at lower altitudes (below 1100 km) another source, such as ion precipitation, is probably needed.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
American Geophysical Union
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Titan
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Electron Precipitation
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Ionosphere
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Magnetosphere
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Ionization
dc.subject.classification
Astronomía
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Ciencias Físicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
An empirical approach to modeling ion production rates in Titan's ionosphere II: Ion production rates on the nightside
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-05-18T15:36:12Z
dc.journal.volume
120
dc.journal.number
2
dc.journal.pagination
1281-1298
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Richard, M. S.. University of Kansas; Estados Unidos. Benedictine College; Estados Unidos
dc.description.fil
Fil: Cravens, T. E.. University of Kansas; Estados Unidos
dc.description.fil
Fil: Wylie, C.. University of Kansas; Estados Unidos
dc.description.fil
Fil: Webb, D.. University of Kansas; Estados Unidos
dc.description.fil
Fil: Chediak, Q.. University of Kansas; Estados Unidos
dc.description.fil
Fil: Mandt, K.. Southwest Research Institute; Estados Unidos
dc.description.fil
Fil: Waite Jr, J. H.. Southwest Research Institute; Estados Unidos
dc.description.fil
Fil: Rymer, A.. University Johns Hopkins; Estados Unidos
dc.description.fil
Fil: Bertucci, Cesar. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina
dc.description.fil
Fil: Wellbrock, A.. University College London; Reino Unido
dc.description.fil
Fil: Windsor, A.. Benedictine College. Department of Physics and Astronomy; Estados Unidos
dc.description.fil
Fil: Coates, A. J.. University College London; Reino Unido
dc.journal.title
Journal Of Geophysical Research
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/2014JA020343
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/2014JA020343/abstract
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