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Abstract: We study the geoeffectiveness of a sample of complex events; each includes acoronal type II burst, accompanied by a GOES SXR flare and LASCO CME. The radiobursts were recorded by the ARTEMIS-IV radio spectrograph, in the 100-650 MHzrange; the GOES SXR flares and SOHO-LASCO CMEs, were obtained from the SolarGeophysical Data SGD and the LASCO catalogue respectively. These are comparedwith changes of solar wind parameters and geomagnetic indices in order toestablish a relationship between solar energetic events and their effects ongeomagnetic activity.



Author: Marina Laskari, Panagiota Preka-Papadema, Constantine Caroubalos, George Pothitakis, Xenophon Moussas, Eleftheria Mitsakou, A. Hi

Source: https://arxiv.org/







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