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dc.contributor.author
Edberg, N. J. T.
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Andrews, D. J.
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Shebanits, O.
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Agren, K.
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Wahlund, J. E.
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Opgenoorth, H. J.
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Roussos, E.
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Garnier, P.
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Cravens, T. E.
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Badman, S. V.
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Modolo, R.
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Bertucci, Cesar
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Dougherty, M. K.
dc.date.available
2017-05-29T19:18:38Z
dc.date.issued
2013-06
dc.identifier.citation
Edberg, N. J. T.; Andrews, D. J.; Shebanits, O.; Agren, K.; Wahlund, J. E.; et al.; Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter; American Geophysical Union; Geophysical Research Letters; 40; 12; 6-2013; 2879-2883
dc.identifier.issn
0094-8276
dc.identifier.uri
http://hdl.handle.net/11336/17089
dc.description.abstract
We present Cassini Langmuir probe measurements of the highest electron number densities ever reported from the ionosphere of Titan. The measured density reached 4310 cm−3 during the T85 Titan flyby. This is at least 500 cm−3 higher than ever observed before and at least 50% above the average density for similar solar zenith angles. The peak of the ionospheric density is not reached on this flyby, making the maximum measured density a lower limit. During this flyby, we also report that an impacting coronal mass ejection (CME) leaves Titan in the magnetosheath of Saturn, where it is exposed to shocked solar wind plasma for at least 2 h 45 min. We suggest that the solar wind plasma in the magnetosheath during the CME conditions significantly modifies Titan's ionosphere by an addition of particle impact ionization by precipitating protons.
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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Cassini
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Ionosphere
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Magnetosheath
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Astronomía
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Extreme densities in Titan's ionosphere during the T85 magnetosheath encounter
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2017-05-23T19:16:50Z
dc.journal.volume
40
dc.journal.number
12
dc.journal.pagination
2879-2883
dc.journal.pais
Estados Unidos
dc.description.fil
Fil: Edberg, N. J. T.. Swedish Institute of Space Physics; Suecia
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Fil: Andrews, D. J.. Swedish Institute of Space Physics; Suecia
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Fil: Shebanits, O.. Swedish Institute of Space Physics; Suecia
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Fil: Agren, K.. Swedish Institute of Space Physics; Suecia
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Fil: Wahlund, J. E.. Swedish Institute of Space Physics; Suecia
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Fil: Opgenoorth, H. J.. Swedish Institute of Space Physics; Suecia
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Fil: Roussos, E.. Max Planck Institute for Solar System Research; Alemania
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Fil: Garnier, P.. University of Toulouse; Francia
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Fil: Cravens, T. E.. University of Kansas; Estados Unidos
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Fil: Badman, S. V.. University of Leicester; Reino Unido
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Fil: Modolo, R.. UVSQ/LATMOS-IPSL/CNRS-INSU; Francia
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: Dougherty, M. K.. Imperial College London; Reino Unido
dc.journal.title
Geophysical Research Letters
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1002/grl.50579
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://onlinelibrary.wiley.com/doi/10.1002/grl.50579/full
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