The X-ray and extreme ultraviolet radiation of the August 28, 1966 proton flare as deduced from sudden ionospheric disturbance data
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Ionospheric data show that a very large burst of extreme ultraviolet radiation of about 7 ergs cm−2 sec−1 above the earth's atmosphere occurred during the proton flare of August 28, 1966. The time dependence of this burst agrees closely with the 8800 and 10700 MHz solar radio bursts and does not agree with solar radio bursts at frequencies less than 2800 MHz. The soft X-ray enhancement deduced from ionospheric data peaked about 4 min after the EUV burst.
KeywordsRadiation Atmosphere Flare Time Dependence Ultraviolet Radiation
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