Abstract

APART from the observation of radio flares from M type red dwarf stars, only four stars, all binary systems, have been detected at radio wavelengths. Of these β Persei (Algol) seemed to be of particular interest following a report by R. M. Hjellming and C. M. Wade (private communication) that it had been seen to undergo violent flare activity at radio wavelengths. In this communication we shall describe the results of observations obtained at 2.8 cm using the 46 m telescope at the Algonquin Radio Observatory during the period of the flare, January 21/22, 1972, and combine them with the observations by Hjellming, Wade and Webster1 at 3.7 cm and 11.1 cm. This is believed to be the first occasion on which details of the decay of a stellar flare have been observed simultaneously at these frequencies.

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