Table 1.
Basic parameters of radio bursts identified in Figs. 3 to 6.
| Burst | Start | Duration | Range | Type | Frequency drift | Figure |
|---|---|---|---|---|---|---|
| No. | (UT) | (s) | (GHz) | (MHz s−1) | No. | |
| 1 | 13:21:11 | 3.4 | 1.5–1.8 | SPDB | ∼+97 | Fig. 3 |
| 2 | 13:21:30 | 4.2 | 1.5–1.8 | SPDB | ∼+77 | Fig. 3 |
| 3 | 13:21:22 | 27 | 0.8–1.15 | continuum | – | Fig. 3 |
| 4 | 13:22:43 | 13 | 1.0–3.0 | continuum | – | Fig. 4 |
| 5 | 13:22:56 | 10 | 0.8–2.0 | continuum | – | Fig. 4 |
| 6 | 13:23:13 | 17 | 0.8–1.4 | continuum | – | Fig. 4 |
| 7 | 13:23:00 | 3 | 2.7–4.2 | RS | ∼ + 450 | Fig. 4 |
| 8 | 13:23:08 | 11 | 2.3–4.0 | hf-III, RS | ∼−1240, ∼+150, ∼+750 | Fig. 4 |
| 9 | 13:23:30 | 33 | 0.8–1.3 | continuum | – | Fig. 5 |
| 10 | 13:24:04 | 20 | 0.8–1.2 | continuum | – | Fig. 5 |
| 11 | 13:23:49 | 4 | 1.3–1.8 | hf-III | ∼ − 1000 | Fig. 5 |
| 12 | 13:24:06 | 4 | 1.3–1.8 | hf-III | ∼ − 250 | Fig. 5 |
| 13 | 13:23:51 | 4 | 2.7–4.5 | RS | ∼ + 800 | Fig. 5 |
| 14 | 13:23:56 | 18 | 2.5–4.0 | hf-III, RS, complex | −360 to +870 | Fig. 5 |
| 15 | 13:24:18 | 6 | 2.7–3.7 | RS | ∼+350 | Fig. 5 |
| 16 | 13:24:34 | 3 | 2.9–4.2 | U | −2000 to +170 | Fig. 5 |
| 17 | 13:25:05 | 4 | 1.3–2.0 | RS, complex | +100 to +500 | Fig. 6 |
| 18 | 13:25:08 | 6 | 0.8–1.35 | hf-III | ∼ −90 | Fig. 6 |
| 19 | 13:25:22 | 6 | 0.8–1.4 | hf-III | ∼ − 110 | Fig. 6 |
| 20 | 13:25:17 | 20 | 1.6–2.0 | tangle of U bursts | −30 to +60 | Fig. 6 |
| 21 | 13:24:47 | 16 | 2.5–4.3 | group RS | ∼+1000 | Fig. 6 |
| 22 | 13:25:18 | 20 | 2.0–2.8 | tangle of inv-U bursts | −90 to +210 | Fig. 6 |
Notes. hf-III means the high frequency type III burst (negative frequency drift), RS is the type III burst with the positive (reverse) frequency drift and SPDB is the burst with very slow positive drift. U means U-burst and inv-U is the inverted U-burst. The most interesting bursts (1, 2, 17, 18, 20, and 22), shown in bold, are analysed in detail.
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