On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini

Autores
Kim, Konstantin; Edberg, Niklas J. T.; Shebanits, Oleg; Wahlund, Jan Erik; Vigren, Erik; Bertucci, Cesar
Año de publicación
2023
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
The Cassini spacecraft made in-situ measurements of Titan's plasma environment during 126 close encounters between 2004 and 2017. Here we report on observations from the Radio and Plasma Waves System/Langmuir probe instrument (RPWS/LP) from which we have observed, primarily on the outbound leg, a localized increase of the electron density by up to 150 cm−3 with respect to the background. This feature, appearing as an electron density spike in the data, is found during 28 of the 126 flybys. The data from RPWS/LP, the electron spectrometer from the Cassini Plasma Spectrometer package, and the magnetometer is used to calculate electron densities and magnetic field characteristics. The location of these structures around Titan with respect to the nominal corotation direction and the sun direction is investigated. We find that the electron density spikes are primarily observed on the dayside and ramside of Titan. We also observe magnetic field signatures that could suggest the presence of current sheets in most cases. The density spikes are extended along the trajectory of the spacecraft with the horizontal scale of ∼537 ± 160 km and vertical scale ∼399 ± 163 km. We suggest that the density spikes are formed as a result of the current sheet formation.
Fil: Kim, Konstantin. No especifíca;
Fil: Edberg, Niklas J. T.. No especifíca;
Fil: Shebanits, Oleg. Imperial College Of Science And Technology; Reino Unido
Fil: Wahlund, Jan Erik. No especifíca;
Fil: Vigren, Erik. No especifíca;
Fil: Bertucci, Cesar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. 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
Materia
CASSINI
CURRENT SHEETS
LANGMUIR PROBE
TITAN
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/228011
Acceder
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network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From CassiniKim, KonstantinEdberg, Niklas J. T.Shebanits, OlegWahlund, Jan ErikVigren, ErikBertucci, CesarCASSINICURRENT SHEETSLANGMUIR PROBETITANhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The Cassini spacecraft made in-situ measurements of Titan's plasma environment during 126 close encounters between 2004 and 2017. Here we report on observations from the Radio and Plasma Waves System/Langmuir probe instrument (RPWS/LP) from which we have observed, primarily on the outbound leg, a localized increase of the electron density by up to 150 cm−3 with respect to the background. This feature, appearing as an electron density spike in the data, is found during 28 of the 126 flybys. The data from RPWS/LP, the electron spectrometer from the Cassini Plasma Spectrometer package, and the magnetometer is used to calculate electron densities and magnetic field characteristics. The location of these structures around Titan with respect to the nominal corotation direction and the sun direction is investigated. We find that the electron density spikes are primarily observed on the dayside and ramside of Titan. We also observe magnetic field signatures that could suggest the presence of current sheets in most cases. The density spikes are extended along the trajectory of the spacecraft with the horizontal scale of ∼537 ± 160 km and vertical scale ∼399 ± 163 km. We suggest that the density spikes are formed as a result of the current sheet formation.Fil: Kim, Konstantin. No especifíca;Fil: Edberg, Niklas J. T.. No especifíca;Fil: Shebanits, Oleg. Imperial College Of Science And Technology; Reino UnidoFil: Wahlund, Jan Erik. No especifíca;Fil: Vigren, Erik. No especifíca;Fil: Bertucci, Cesar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. 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; ArgentinaJohn Wiley & Sons2023-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/228011Kim, Konstantin; Edberg, Niklas J. T.; Shebanits, Oleg; Wahlund, Jan Erik; Vigren, Erik; et al.; On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini; John Wiley & Sons; Journal of Geophysical Research: Space Physics; 128; 3; 2-2023; 1-132169-9402CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022JA031118info:eu-repo/semantics/altIdentifier/doi/10.1029/2022JA031118info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T09:56:57Zoai:ri.conicet.gov.ar:11336/228011instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 09:56:58.188CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
title On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
spellingShingle On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
Kim, Konstantin
CASSINI
CURRENT SHEETS
LANGMUIR PROBE
TITAN
title_short On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
title_full On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
title_fullStr On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
title_full_unstemmed On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
title_sort On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini
dc.creator.none.fl_str_mv Kim, Konstantin
Edberg, Niklas J. T.
Shebanits, Oleg
Wahlund, Jan Erik
Vigren, Erik
Bertucci, Cesar
author Kim, Konstantin
author_facet Kim, Konstantin
Edberg, Niklas J. T.
Shebanits, Oleg
Wahlund, Jan Erik
Vigren, Erik
Bertucci, Cesar
author_role author
author2 Edberg, Niklas J. T.
Shebanits, Oleg
Wahlund, Jan Erik
Vigren, Erik
Bertucci, Cesar
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv CASSINI
CURRENT SHEETS
LANGMUIR PROBE
TITAN
topic CASSINI
CURRENT SHEETS
LANGMUIR PROBE
TITAN
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv The Cassini spacecraft made in-situ measurements of Titan's plasma environment during 126 close encounters between 2004 and 2017. Here we report on observations from the Radio and Plasma Waves System/Langmuir probe instrument (RPWS/LP) from which we have observed, primarily on the outbound leg, a localized increase of the electron density by up to 150 cm−3 with respect to the background. This feature, appearing as an electron density spike in the data, is found during 28 of the 126 flybys. The data from RPWS/LP, the electron spectrometer from the Cassini Plasma Spectrometer package, and the magnetometer is used to calculate electron densities and magnetic field characteristics. The location of these structures around Titan with respect to the nominal corotation direction and the sun direction is investigated. We find that the electron density spikes are primarily observed on the dayside and ramside of Titan. We also observe magnetic field signatures that could suggest the presence of current sheets in most cases. The density spikes are extended along the trajectory of the spacecraft with the horizontal scale of ∼537 ± 160 km and vertical scale ∼399 ± 163 km. We suggest that the density spikes are formed as a result of the current sheet formation.
Fil: Kim, Konstantin. No especifíca;
Fil: Edberg, Niklas J. T.. No especifíca;
Fil: Shebanits, Oleg. Imperial College Of Science And Technology; Reino Unido
Fil: Wahlund, Jan Erik. No especifíca;
Fil: Vigren, Erik. No especifíca;
Fil: Bertucci, Cesar. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Física; Argentina. 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
description The Cassini spacecraft made in-situ measurements of Titan's plasma environment during 126 close encounters between 2004 and 2017. Here we report on observations from the Radio and Plasma Waves System/Langmuir probe instrument (RPWS/LP) from which we have observed, primarily on the outbound leg, a localized increase of the electron density by up to 150 cm−3 with respect to the background. This feature, appearing as an electron density spike in the data, is found during 28 of the 126 flybys. The data from RPWS/LP, the electron spectrometer from the Cassini Plasma Spectrometer package, and the magnetometer is used to calculate electron densities and magnetic field characteristics. The location of these structures around Titan with respect to the nominal corotation direction and the sun direction is investigated. We find that the electron density spikes are primarily observed on the dayside and ramside of Titan. We also observe magnetic field signatures that could suggest the presence of current sheets in most cases. The density spikes are extended along the trajectory of the spacecraft with the horizontal scale of ∼537 ± 160 km and vertical scale ∼399 ± 163 km. We suggest that the density spikes are formed as a result of the current sheet formation.
publishDate 2023
dc.date.none.fl_str_mv 2023-02
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/228011
Kim, Konstantin; Edberg, Niklas J. T.; Shebanits, Oleg; Wahlund, Jan Erik; Vigren, Erik; et al.; On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini; John Wiley & Sons; Journal of Geophysical Research: Space Physics; 128; 3; 2-2023; 1-13
2169-9402
CONICET Digital
CONICET
url http://hdl.handle.net/11336/228011
identifier_str_mv Kim, Konstantin; Edberg, Niklas J. T.; Shebanits, Oleg; Wahlund, Jan Erik; Vigren, Erik; et al.; On Current Sheets and Associated Density Spikes in Titan’s Ionosphere as Seen From Cassini; John Wiley & Sons; Journal of Geophysical Research: Space Physics; 128; 3; 2-2023; 1-13
2169-9402
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022JA031118
info:eu-repo/semantics/altIdentifier/doi/10.1029/2022JA031118
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv John Wiley & Sons
publisher.none.fl_str_mv John Wiley & Sons
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1844613707846385664
score 13.069144

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