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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21c.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34R/3UTSPSH
Repositóriosid.inpe.br/mtc-m21c/2020/02.12.10.01   (acesso restrito)
Última Atualização2020:02.12.10.01.45 (UTC) simone
Repositório de Metadadossid.inpe.br/mtc-m21c/2020/02.12.10.01.45
Última Atualização dos Metadados2022:01.04.01.34.58 (UTC) administrator
DOI10.1016/j.pss.2019.104761
ISSN0032-0633
Chave de CitaçãoFrancoFräEchBolZha:2020:VEOb
TítuloThe correlation length of ULF waves around Venus: VEX observations
Ano2020
Mêsjan.
Data de Acesso19 abr. 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho7613 KiB
2. Contextualização
Autor1 Franco, Adriane Marques de Souza
2 Fränz, M.
3 Echer, Ezequiel
4 Bolzan, M. J. A.
5 Zhang, T. L.
Identificador de Curriculo1
2
3 8JMKD3MGP5W/3C9JH3D
Grupo1 GES-CEA-SESPG-INPE-MCTIC-GOV-BR
2
3 DIDGE-CGCEA-INPE-MCTIC-GOV-BR
Afiliação1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Max Planck Institute for Solar System Research
3 Instituto Nacional de Pesquisas Espaciais (INPE)
4 Universidade Federal de Jataí
5 Space Research Institute of the Austrian Academy of Sciences
Endereço de e-Mail do Autor1
2
3 ezequiel.echer@inpe.br
RevistaPlanetary and Space Science
Volume180
Páginase104761
Nota SecundáriaA2_INTERDISCIPLINAR A2_GEOCIÊNCIAS B1_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA B1_CIÊNCIAS_BIOLÓGICAS_I B1_BIOTECNOLOGIA B1_BIODIVERSIDADE B1_ASTRONOMIA_/_FÍSICA B2_ENSINO B2_CIÊNCIAS_BIOLÓGICAS_II
Histórico (UTC)2020-02-12 10:01:45 :: simone -> administrator ::
2020-02-12 10:01:45 :: administrator -> simone :: 2020
2020-02-12 10:02:35 :: simone -> administrator :: 2020
2020-02-13 07:41:32 :: administrator -> simone :: 2020
2020-02-14 10:04:27 :: simone -> administrator :: 2020
2022-01-04 01:34:58 :: administrator -> simone :: 2020
3. Conteúdo e estrutura
É a matriz ou uma cópia?é a matriz
Estágio do Conteúdoconcluido
Transferível1
Tipo do ConteúdoExternal Contribution
Tipo de Versãopublisher
Palavras-ChaveVenus induced magnetosphere
ULF waves
Correlation length
ResumoA study of the correlation length of ultra-low frequency (ULF) waves around Venus was developed using electron density and magnetic field data obtained from the Analyzer of Space Plasmas and Energetic Atoms (ASPERA-4) and magnetometer (MAG), respectively, on board of the mission Venus Express (VEX). The analysis was conducted using the whole interval of the mission (2006-2014). The correlation scales have been calculated by the correlation length parameter that is a characteristic distance over which fluctuations in a variable are correlated. We limited the study to the frequency range from 8 to 50 mHz because previous studies have shown that ULF waves produced in the foreshock have the highest power in this range. In this study the correlation length was calculated by an exponential fit employed to the auto-correlation curve. The auto-correlation function was calculated lagged by a time between 0 and 60 s and sliding a window with 120s across the data. This analysis has been also extended to correlation length determinations in spatial scale. In order to obtain the correlation length in a spatial domain, the temporal correlation length must be multiplied by the solar wind velocity. Here, the ASPERA-4/IMA (Ion Mass Analyzer) velocity data was used. It was found that the dominant correlation length in temporal scale varies from 9 to 14 s in electron density and between 7.5 and 11 s in the magnetic field. In spatial scale, correlation length varies between 2.8 x 10(3) and 5 x 10(3) km in electron density data, and between 1.7 x 10(3) -4X10(3) km for the total magnetic field data value in this frequency window. Fluctuations in the magnetosheath and in the MPB may be correlated with fluctuations at the ionosphere, since correlation lengths in those regions are larger than the size of these regions, indicating that local resonant effect of wave trains at the ionopause may enhance the atmospheric ion escape at Venus. Our results also show that pickup heavy ions can interact with discontinuities in the magnetosheath of Venus and can destroy ULF wave trains during periods of low solar wind pressure. The results obtained here are compared with a similar previous analysis in the Mars environment.
ÁreaCEA
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Conteúdo da Pasta docacessar
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4. Condições de acesso e uso
Idiomaen
Arquivo Alvofranco_correlation.pdf
Grupo de Usuáriossimone
Grupo de Leitoresadministrator
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Visibilidadeshown
Política de Arquivamentodenypublisher denyfinaldraft24
Permissão de Leituradeny from all and allow from 150.163
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5. Fontes relacionadas
Unidades Imediatamente Superiores8JMKD3MGPCW/3EU29DP
8JMKD3MGPCW/3F2PBEE
Lista de Itens Citandosid.inpe.br/mtc-m21/2012/07.13.14.45.47 1
DivulgaçãoWEBSCI; PORTALCAPES; MGA; COMPENDEX; SCOPUS.
Acervo Hospedeirourlib.net/www/2017/11.22.19.04
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark mirrorrepository nextedition notes number orcid parameterlist parentrepositories previousedition previouslowerunit progress project rightsholder schedulinginformation secondarydate secondarykey session shorttitle sponsor subject tertiarymark tertiarytype url
7. Controle da descrição
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