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Type: Artigo de evento
Title: The Relationship Between Synchrotron And Bremsstrahlung Emission Of Nonthermal Electrons During A Solar Flare. A Detailed Study During The August 30, 2002 X1.5 Event
Author: Gimenez De Castro C.G.
Silva A.V.R.
Trottet G.
Krucker S.
Costa J.E.R.
Kaufmann P.
Correia E.
Luthi T.
Magun A.
Levato H.
Abstract: Synchrotron emission from nonthermal electrons has a strong dependence on the magnetic field of the medium. On the contrary, Bremsstrahlung emission does not depend on the magnetic field. The simultaneous observations of both forms of radiation may give us clues about local magnetic field configuration. In this report we use the optically thin part of the radio spectrum during the microwave maximum of the flare occurred on August 30, 2002, at 1328 UT to determine different mean magnetic field intensities and nonthermal electron density distributions compatible with the observed data. Assuming that the same electrons emit by coulomb interactions, the obtained distributions are used to compute the photon spectrum of the X-Ray emission by Bremsstrahlung and the spectra are compared with observations obtained by instruments on board the RHESSI satellite. We discuss the effects of the trapping on the Bremsstrahlung emitted radiation, giving constraints on both magnetic field intensity and trapping time. © 2005 American Institute of Physics.
Citation: Aip Conference Proceedings. , v. 784, n. , p. 566 - , 2005.
Rights: aberto
Identifier DOI: 10.1063/1.2077219
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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