Open Access
Table 1.
Time history of the event.
| Time (UT) | Activities | Instruments |
|---|---|---|
| 22:13, 22:18, 22:26 | Start, peak, and end of the precursor C-class flare | GOES |
| Faint brightening of the outer spine, | ||
| 22:13–22:30 | C-class flare brightening below the outer spine | SDO/AIA |
| 22:32, 22:38, 22:44 | Start, peak, and end of the major X-class flare | GOES |
| 22:37:04 | Peak of the He II 304 Å irradiance | SDO/EVE |
| 22:40:24 | Peak of the FeXX/XXIII 133 Å irradiance | SDO/EVE |
| 22:41:54 | Peak of the Fe XVI 335 Å irradiance | SDO/EVE |
| 22:30–22:34 | Slow rise of the filament, slight brightening of the outer spine | SDO/AIA |
| Impulsive acceleration of the filament in a northwest direction, | SDO/EVE, AIA, | |
| blueshifted Doppler (LOS) velocity, | ||
| 22:34–22:37 | appearance of multiple flare ribbons (Rc, Ri, Rr), | STEREO-A/EUVI |
| more prominent outer-spine loops | ||
| Dynamic evolution of the remote ribbon Rr, | ||
| 22:37–22:55 | long current sheet connected with a large-scale cusp structure, | SDO/AIA |
| appearance of late-phase loops in hot passbands | ||
| 22:52–23:50 | Plateau-like warm coronal late-phase emission | SDO/EVE, AIA |
| 23:05–23:55 | Impact of falling filament material on the surface ∼(580″, 320″) | SDO/AIA |
| 00:15(+1)–00:35(+1) | Impact of falling material filament on the surface ∼(460″, 540″) | SDO/AIA |
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