Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/77855
Type: Artigo de periódico
Title: Time and space distribution of discrete energetic releases in millimeter-wave solar bursts
Author: Raulin, JP
Kaufmann, P
Olivieri, R
Correia, E
Makhmutov, VS
Magun, A
Abstract: Observations of solar bursts using the multiple-beam technique define unambiguously the fast time structures present in the flux time profiles, providing, at the same time, their spatial positions. A method was developed to identify these structures and was used in the analysis of two solar events observed at 48 GHz. The bursts' energy content at different time intervals was found to be directly proportional to the number of structures in the same intervals, confirming earlier findings that the microwave burst emission is quantized in energy. The discrete structures are found to be spatially scattered, exhibiting angular separations of up to 25 '. The results favor models of plasma instabilities that produce multiple discrete elementary energy injections scattered in space and time.
Subject: Sun, flares
Sun, radio radiation
Country: EUA
Editor: Univ Chicago Press
Rights: aberto
Identifier DOI: 10.1086/311327
Date Issue: 1998
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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