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1. Identificação
Tipo de ReferênciaArtigo em Revista Científica (Journal Article)
Sitemtc-m21b.sid.inpe.br
Código do Detentorisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identificador8JMKD3MGP3W34P/3KMH47H
Repositóriosid.inpe.br/mtc-m21b/2015/12.01.14.49
Última Atualização2016:01.05.17.58.35 (UTC) administrator
Repositório de Metadadossid.inpe.br/mtc-m21b/2015/12.01.14.49.15
Última Atualização dos Metadados2021:07.28.22.15.55 (UTC) administrator
DOI10.1002/2015JA021327
ISSN2169-9402
Chave de CitaçãoRemyaTsuRedLakHaj:2015:EMWaCo
TítuloElectromagnetic cyclotron waves in the dayside subsolar outer magnetosphere generated by enhanced solar wind pressure: EMIC wave coherency
Ano2015
MêsSept.
Data de Acesso07 maio 2024
Tipo de Trabalhojournal article
Tipo SecundárioPRE PI
Número de Arquivos1
Tamanho2228 KiB
2. Contextualização
Autor1 Remya, B.
2 Tsurutani, Bruce T.
3 Reddy, V. A.
4 Lakhina, G. S.
5 Hajra, Rajkumar
Grupo1
2
3
4
5 DGE-CEA-INPE-MCTI-GOV-BR
Afiliação1 Indian Institute of Geomagnetism
2 California Institute of Technology
3 Indian Institute of Geomagnetism
4 Indian Institute of Geomagnetism
5 Instituto Nacional de Pesquisas Espaciais (INPE)
Endereço de e-Mail do Autor1
2
3
4
5 rajkumarhajra@yahoo.co.in
RevistaJournal of Geophysical Research: Space Physics
Volume120
Número9
Páginas7536-7551
Histórico (UTC)2015-12-01 14:49:15 :: simone -> administrator ::
2021-07-28 22:15:55 :: administrator -> simone :: 2015
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-Chavecyclotron waves
EMIC
pitch angle scattering
wave coherency
ResumoElectromagnetic ion (proton) cyclotron (EMIC) waves and whistler mode chorus are simultaneously detected in the Earth's dayside subsolar outer magnetosphere. The observations were made near the magnetic equator 3.1-1.5 magnetic latitude at 1300 magnetic local time from L = 9.9 to 7.0. It is hypothesized that the solar wind external pressure caused preexisting energetic 10-100 keV protons and electrons to be energized in the T⊥ component by betatron acceleration and the resultant temperature anisotropy (T⊥>T¥) formed led to the simultaneous generation of both EMIC (ion) and chorus (electron) waves. The EMIC waves had maximum wave amplitudes of 6 nT in a 60 nT ambient field B0. The observed EMIC wave amplitudes were about 10 times higher than the usually observed chorus amplitudes (0.1-0.5 nT). The EMIC waves are found to be coherent to quasi-coherent in nature. Calculations of relativistic 1-2 MeV electron pitch angle transport are made using the measured wave amplitudes and wave packet lengths. Wave coherency was assumed. Calculations show that in a 25-50 ms interaction with an EMIC wave packet, relativistic electron can be transported 27 in pitch. Assuming dipole magnetic field lines for a L = 9 case, the cyclotron resonant interaction is terminated ±20 away from the magnetic equator due to lack of resonance at higher latitudes. It is concluded that relativistic electron anomalous cyclotron resonant interactions with coherent EMIC waves near the equatorial plane is an excellent loss mechanism for these particles. It is also shown that E > 1 MeV electrons cyclotron resonating with coherent chorus is an unlikely mechanism for relativistic microbursts. Temporal structures of 30 keV precipitating protons will be 2-3 s which will be measurable at the top of the ionosphere.
ÁreaCEA
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4. Condições de acesso e uso
URL dos dadoshttp://mtc-m21b.sid.inpe.br/ibi/8JMKD3MGP3W34P/3KMH47H
URL dos dados zipadoshttp://mtc-m21b.sid.inpe.br/zip/8JMKD3MGP3W34P/3KMH47H
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Política de Arquivamentodenypublisher6 allowfinaldraft
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5. Fontes relacionadas
Repositório Espelhourlib.net/www/2011/03.29.20.55
Unidades Imediatamente Superiores8JMKD3MGPCW/3EU29DP
Lista de Itens Citandosid.inpe.br/bibdigital/2013/10.01.22.11 1
DivulgaçãoWEBSCI; COMPENDEX; SCOPUS.
Acervo Hospedeirosid.inpe.br/mtc-m21b/2013/09.26.14.25.20
6. Notas
Campos Vaziosalternatejournal archivist callnumber copyholder copyright creatorhistory descriptionlevel e-mailaddress format isbn label lineage mark nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark session shorttitle sponsor subject targetfile tertiarymark tertiarytype url
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