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Waves at the plasma frequency inside magnetic holes: STEREO and Cluster observations

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    SYSNO ASEP0353827
    Document TypeC - Proceedings Paper (int. conf.)
    R&D Document TypeConference Paper
    TitleWaves at the plasma frequency inside magnetic holes: STEREO and Cluster observations
    Author(s) Briand, C. (FR)
    Souček, Jan (UFA-U) RID
    Mangeney, A. (FR)
    Bale, D. (US)
    Goetz, K. (US)
    Source TitleTwelfth International Solar Wind Conference. Proceedings Paper. - New York : Melville, 2010 / Maksimovic M. ; Issautier K. ; Meyer-Vernet N. ; Moncuquet M. ; Pantellini F. - ISSN 0094-243X - ISBN 978-0-7354-0759-6
    Pagess. 271-275
    Number of pages4 s.
    ActionInternational Solar Wind Conference /12./
    Event date21.06.2009-26.06.2009
    VEvent locationSaint-Milo
    CountryFR - France
    Event typeWRD
    Languageeng - English
    CountryUS - United States
    Keywordssolar wind ; Langmuir waves ; magnetic holes ; STEREO ; CLUSTER
    Subject RIVBL - Plasma and Gas Discharge Physics
    CEZAV0Z30420517 - UFA-U, BC-A (2005-2011)
    UT WOS000281438100064
    EID SCOPUS77952050174
    AnnotationMagnetic isolated large amplitude depressions in the interplanetary magnetic field are commonly observed in the solar wind. Some of these magnetic structures are accompanied by bursts of electrostatic waves close to electron plasma frequency. Combining STEREO/WAVES and IMPACT data we are able to accurately localize the waves emission. We show that they also appear inside kinetic holes, themselves situated inside larger holes. We provide, for the first time, the detailed waveform of the waves that reveal their very bursty nature. These results are complemented by CLUSTER data, which allow to resolve the electron distribution and obtain a better description of spatio-temporal variations in Langmuir wave activity. Such observations are confronted to different emission mechanisms.
    WorkplaceInstitute of Atmospheric Physics
    ContactKateřina Adamovičová,, Tel.: 272 016 012 ; Kateřina Potužníková,, Tel.: 272 016 019
    Year of Publishing2011
Number of the records: 1