Elsevier, Advances in Space Research, 12(32), p. 2517-2520
DOI: 10.1016/s0273-1177(03)90424-8
Elsevier, Advances in Space Research, 12(32), p. 2517-2520
DOI: 10.1016/s0273-1177(03)00893-7
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We report a Nobeyama Radioheliograph (NoRH) microwave observation of a propagating feature of non thermal emission in a solar flare. The flare had a very extended source well resolved by NoRH. In the rising phase of the microwave burst, a non-thermal gyrosynchrotron source was observed by the high-rate (10 images per second) observations to propagate from one end of the loop to the other with a speed of 9 × 104 km s−1. We interpret this non-thermal propagating source is emitted from streaming electrons.