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Unusual arrival times of scatter free particles in solar proton event of May 7, 1978
Author(s) -
Kohno Tsuyoshi,
Wada Masami
Publication year - 1979
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl006i005p00421
Subject(s) - geostationary orbit , geostationary operational environmental satellite , satellite , environmental science , proton , event (particle physics) , weather satellite , meteorology , space weather , solar energetic particles , physics , remote sensing , atmospheric sciences , geology , astronomy , coronal mass ejection , astrophysics , solar wind , nuclear physics , plasma
Three typical scatter free arrivals of solar protons were observed by the Space Environment Monitor (SEM) on board the Geostationary Meteorological Satellite (GMS), Japanese weather satellite, during the period February ‐ October, 1978. An unusual energy dependence of arrival times is seen in one of them. Although a conclusive interpretation is not yet obtained, we report the observational results together with tentative explanations.