Table 1.
CMEs responsible for the great geomagnetic storm on 10 May 2024.
| Events | Date, Time | Flare/ | Source | Time (UT) | Height (R⊙) | Longitude | Latitude | Aspect | Tilt | Half | Max Speed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| (UT) | filament | region | Initial-Final | Initial-Final | (deg) | (deg) | Ratio | Angle | Angle | (km s−1) | |
| (deg) | (deg) | ||||||||||
| CME1 | 8, 5:36 | X1.0 | S18W10 | 05:48–10:18 | 5.8–26.9 | 16±3 | −8±2 | 0.27±0.1 | 84±6 | 24±3 | 967 |
| CME2 | 8, 12:24 | M8.7 | S19W11 | 12:36–15:54 | 5.4–22.4 | 13±2 | −16±4 | 0.34±0.1 | 27±5 | 23±6 | 1142 |
| CME3 | 8, 19:12 | Filament | N25E14 | 19:36–23:42 | 5.2–24.7 | −27±5 | 4±6 | 0.24±0.1 | 79±2 | 15 ±5 | 991 |
| CME4 | 8, 22:36 | X1.02 | S20W14 | 23:06–25:54 | 8.9–28.3 | 6±7 | −18±3 | 0.26±0.12 | 15±10 | 18 ±7 | 1406 |
| CME5 | 8, 22:36 | M9.87 | S19W28 | 23:06–26:42 | 4.6–22.5 | 38±6 | −15±3 | 0.15±0.4 | −83±8 | 16±8 | 1103 |
| CME6 | 9, 9:24 | X2.2 | S20W22 | 09:24–12:06 | 3.9–25.4 | 27±3 | −14±2 | 0.28±0.1 | −77±4 | 23±3 | 1746 |
Notes. The second column shows the date and time for the first appearance of each CME in the SOHO/LASC0-C2 field of view. The GCS-model-fitted parameters for the CMEs are shown in Cols. 5 to 12. Columns 4 and 5 show the time and height range for which the GCS model fit was done. The last column shows the estimates of the maximum LE speed (v) of each CME during our observation duration in the coronagraphic field of view.
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