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Survey of Poynting flux of whistler mode chorus in the outer zone

  1. 1.
    0357513 - UFA-U 2011 RIV US eng J - Článek v odborném periodiku
    Santolík, Ondřej - Pickett, J. S. - Gurnett, D. A. - Menietti, J. D. - Tsurutani, B. T. - Verkhoglyadova, O.
    Survey of Poynting flux of whistler mode chorus in the outer zone.
    Journal of Geophysical Research. Roč. 115, - (2010), A00F13/1-A00F13/13 ISSN 0148-0227
    Grant CEP: GA AV ČR IAA301120601; GA ČR GA205/09/1253
    Grant ostatní: MŠMT(CZ) MSM0021620860; GA MŠk(CZ) ME 842
    Výzkumný záměr: CEZ:AV0Z30420517
    Klíčová slova: chorus * Polar spacecraft * Poynting flux
    Kód oboru RIV: BL - Fyzika plazmatu a výboje v plynech
    Impakt faktor: 3.303, rok: 2010

    We present a survey of whistler mode chorus emissions based on high-telemetry rate data of the Plasma Wave Instrument on board the Polar spacecraft. Using simultaneous measurements of full vectors of the electric field and the magnetic field we calculate the Poynting vectors of chorus, and we parameterize the observations by their L* coordinate. Our new analysis of the angle between the direction of the Poynting vector and the magnetic field line confirms previous results on propagation of the main chorus band away from the equator. Our systematic results also prove the existence of the magnetospherically reflected component of chorus found previously by case studies.
    Trvalý link: http://hdl.handle.net/11104/0195774
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