Abstract
Proton events accompanied by hectometric radio bursts have been analyzed on the basis of the PROGNOZ-8 satellite measurements. Proton fluxes with energies E>100 MeV andE > 500 MeV were recorded in April and May 1981 from the powerful flares developed in large sunspot groups which existed on the Sun during two solar revolutions.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 39, Nos. 11–12, pp. 1479–1482, November–December, 1996.
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Volodichev, N.N., Grigor'yeva, V.P. & Prokudina, V.S. Analysis of proton events from long-lived active regions accompanied by hectometric radio bursts. Radiophys Quantum Electron 39, 988–989 (1996). https://doi.org/10.1007/BF02250978
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DOI: https://doi.org/10.1007/BF02250978