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Table 4.
Time lines of the radio, hard X-ray (HXR), and initial relativistic particle emission on 2021 Oct. 28.
| UT interval | Spectral range | Observed feature |
|---|---|---|
| 15:25–15:28 | HXR | Rise of count rates to their peak |
| (Fig. 3; | 18 000–300 MHz | Continuum, broadb. pulsations |
| Sect. 2.3.3) | 650–300 MHz | Reverse-drift bursts |
| 300–144 MHz | Type J bursts | |
| ≤85 MHz | No signal | |
| 15:28–15:32 | HXR | Peak and early decay; |
| (Fig. 5; | hardening spectrum | |
| Sect. 2.3.4) | 18 000–300 MHz | Type IV burst |
| 300–25 MHz | Type II burst | |
| ≤50 MHz | First group of type III bursts | |
| 15:32–15:36 | HXR | Decay |
| (Fig. 6; | SXR | Peak at 15:35 UT |
| Sect. 2.3.5) | 18 000–(< )144 MHz | Type IV burst |
| 200–25 MHz | Forward-/reverse-drift bursts | |
| ≤14 MHz | Second group of type III bursts | |
| 15:37–15:50 | HXR | No signal after 15:40 UT |
| (Fig. 7; | 1000 (?)–25 (?) MHz | Type IV burst |
| Sect. 2.3.6) | 50–25 MHz | Forward-/reverse-drift bursts |
| 14–7 MHz | Continuum, unresolved bursts? | |
| ≤7 MHz | Third group of type III bursts | |
| 15:35–15:46 | Particles | Initial release window |
| (Fig. 1; | (uncertainty) of | |
| Sect. 2.1) | electrons, protons > 0.75c |
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