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Radio echo and sporadic radiation scattering in the solar corona

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Abstract

Some properties of solar radio bursts observed at the Earth are mainly due to propagation effects in the corona. A radio echo of short-time narrow-band bursts is observed by a decameter radioheliograph on the basis of UTR-2 antenna. Propagation effects are manifested in the marked regular change of the burst intensity-time profile at 25 MHz during a half-rotation of the Sun. A displacement of limb diffuse bursts deep into the solar atmosphere of 1.5 ∼- 2R has been also found during the burst lifetime.

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Abranin, E.P., Bazelyan, L.L., Zaitsev, V.V. et al. Radio echo and sporadic radiation scattering in the solar corona. Sol Phys 78, 179–186 (1982). https://doi.org/10.1007/BF00151152

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  • DOI: https://doi.org/10.1007/BF00151152

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