@Article{SimoesCost:2010:GyEmAn,
               author = "Simoes, P. J. A and Costa, J. E. R.",
          affiliation = "CRAAM, BR-01302907 Sao Paulo, Brazi and {Instituto Nacional de 
                         Pesquisas Espaciais (INPE)}",
                title = "Gyrosynchrotron Emission from Anisotropic Pitch-Angle Distribution 
                         of Electrons in 3-D Solar Flare Sources",
              journal = "Solar Physics",
                 year = "2010",
               volume = "266",
               number = "1",
                pages = "109--121",
                month = "Set.",
             keywords = "Flares: models, Flares: relation to magnetic field, Flares: 
                         spectrum, Radio bursts: microwave (mm, cm), TERRESTRIAL KILOMETRIC 
                         RADIATION, MICROWAVE-BURSTS, MAGNETIC-FIELD, LOSS CONE, RAY, 
                         PLASMA, GENERATION, INJECTION, SPECTRA, CORONA.",
             abstract = "We present calculations, made for the first time, of the 
                         gyrosynchrotron emission by mildly relativistic electrons with 
                         anisotropic pitch-angle distribution using a realistic magnetic 
                         loop model in three dimensions. We investigated the intensity, 
                         spectral index of the optically thin region of the spectrum, the 
                         spatial morphology and the dependency on the source position on 
                         the solar disk. The method to describe a three-dimensional source 
                         and the procedure to perform the calculations are presented. We 
                         have modified the Ramaty's gyrosynchrotron code to allow the 
                         evaluation of anisotropic pitch-angle electron distributions, as 
                         described in the complete formalism. We found that anisotropic 
                         electron distributions affect the intensity of the radiation, 
                         spatial morphology and spectrum of spatially resolved sources. 
                         However, the spatially integrated spectrum of the emission seems 
                         to be insensitive to the electron pitch-angle distribution, as the 
                         magnetic field inhomogeneity smooths out the effects of the 
                         anisotropic distribution in the produced radiation, in contrast to 
                         homogeneous sources.",
                  doi = "10.1007/s11207-010-9596-2",
                  url = "http://dx.doi.org/10.1007/s11207-010-9596-2",
                 issn = "0038-0938 and 1573-093X",
             language = "en",
           targetfile = "simoes.pdf",
        urlaccessdate = "20 maio 2024"
}