Article

Solar Physics

, Volume 204, Issue 1, pp 165-177

First online:

ARTEMIS IV Radio Observations of the 14 July 2000 Large Solar Event

  • C. CaroubalosAffiliated withDepartment of Informatics, University of Athens
  • , C.E. AlissandrakisAffiliated withSection of Astro-Geophysics, University of Ioannina
  • , A. HillarisAffiliated withSection of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens
  • , A. NindosAffiliated withSection of Astro-Geophysics, University of Ioannina
  • , P. TsitsipisAffiliated with
  • , X. MoussasAffiliated withSection of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens
  • , J.-L. BougeretAffiliated withDépartement de Recherche Spatial, CNRS UA 264, Observatoire de Paris
  • , K. BouratzisAffiliated withSection of Astro-Geophysics, University of Ioannina
  • , G. DumasAffiliated withDépartement de Recherche Spatial, CNRS UA 264, Observatoire de Paris
    • , G. KanellakisAffiliated withThermopylae, O.T.E Inmarsat
    • , A. KontogeorgosAffiliated withDepartment of Electronics, Technological Education Institute of Lamia
    • , D. MaroulisAffiliated withDepartment of Informatics, University of Athens
    • , N. PatavalisAffiliated withDepartment of Informatics, University of Athens
    • , C. PercheAffiliated withDépartement de Recherche Spatial, CNRS UA 264, Observatoire de Paris
    • , J. PolygiannakisAffiliated withSection of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens
    • , P. Preka-PapademaAffiliated withSection of Astrophysics, Astronomy and Mechanics, Department of Physics, University of Athens

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Abstract

In this report we present a complex metric burst, associated with the 14 July 2000 major solar event, recorded by the ARTEMIS-IV radio spectrograph at Thermopylae. Additional space-borne and Earth-bound observational data are used, in order to identify and analyze the diverse, yet associated, processes during this event. The emission at metric wavelengths consisted of broad-band continua including a moving and a stationary type IV, impulsive bursts and pulsating structures. The principal release of energetic electrons in the corona was 15–20 min after the start of the flare, in a period when the flare emission spread rapidly eastwards and a hard X-ray peak occurred. Backward extrapolation of the CME also puts its origin in the same time interval, however, the uncertainty of the extrapolation does not allow us to associate the CME with any particular radio or X-ray signature. Finally, we present high time and spectral resolution observations of pulsations and fiber bursts, together with a preliminary statistical analysis.