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Microwave diagnostics of magnetic field strengths in solar flaring loops

Tian, Hui; Zhu, Rui; Xu, Yu +5 more

We have performed microwave diagnostics of the magnetic field strengths in solar flare loops based on the theory of gyrosynchrotron emission. From Nobeyama Radioheliograph observations of three flare events at 17 and 34 GHz, we obtained the degree of circular polarization and the spectral index of microwave flux density, which were then used to ma…