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Table 2

Parameters of propagation of the type-III bursts according to observations (obs) and ray tracing simulations for fundamental (f) and harmonic (h) emission locations.

Burst f tburst Δsobs sobs vosb Δsf sf vf Δsh sh vh
No. [MHz] [s] [R⊙] [R⊙] [106 m s−1] [R⊙] [R⊙] [106 m s−1] [R⊙] [R⊙] [106 m s−1]
60.5 0.9 0.00 − 0.06 43.5 0.00 − 0.05 36.3 0.00 − 0.08 58.0
55.5 0.0 0.06 0.00 – 0.05 0.00 – 0.08 0.00 –
50.4 0.9 0.04 0.04 30.7 0.04 0.04 27.5 0.06 0.06 42.1
1 45.3 1.9 0.07 0.11 26.3 0.07 0.11 26.2 0.12 0.18 44.8
40.2 2.8 0.04 0.16 10.4 0.03 0.14 7.9 0.06 0.24 15.2
35.2 3.8 0.17 0.33 32.2 0.15 0.29 28.2 0.27 0.51 48.8
30.1 4.7 0.28 0.61 41.4 0.27 0.56 39.3 0.52 1.03 77.3
                       
60.5 1.9 0.00 − 0.10 35.3 0.00 − 0.09 31.4 0.00 − 0.14 50.3
55.5 0.0 0.10 0.00 – 0.09 0.00 – 0.14 0.00 –
50.4 3.8 0.05 0.05 8.7 0.04 0.04 8.1 0.07 0.07 13.5
2 45.3 4.7 0.05 0.10 7.4 0.05 0.09 7.4 0.09 0.16 13.2
40.2 5.7 0.08 0.18 9.6 0.06 0.15 7.2 0.11 0.27 13.3
35.2 6.1 0.21 0.38 23.5 0.20 0.35 22.3 0.39 0.66 43.9
30.1 6.6 0.24 0.62 25.4 0.21 0.56 22.6 0.39 1.05 41.0
                       
60.5 0.9 0.00 − 0.05 40.0 0.00 − 0.05 39.7 0.00 − 0.09 62.7
55.5 0.0 0.05 0.00 – 0.05 0.00 – 0.09 0.00 –
50.4 1.9 0.06 0.06 22.4 0.06 0.06 21.6 0.10 0.10 36.1
3 45.3 3.8 0.05 0.12 10.1 0.04 0.10 8.2 0.07 0.17 12.6
40.2 5.7 0.03 0.15 3.8 0.03 0.13 3.8 0.05 0.22 6.2
35.2 7.5 0.15 0.29 13.6 0.13 0.26 11.8 0.24 0.45 21.8
30.1 8.5 0.26 0.56 21.5 0.24 0.50 19.6 0.48 0.93 39.4

Notes: Columns are image frequency f; propagation time t; propagationdistance between neighboring centroids Δs; total propagation distance s from the start position at 55 MHz; velocity v = Δs∕Δt.

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