Table 3.
Magnetic parameters of CMEs.
| Event | Helicity | Axial field | Reconnection | Reconnection | Average |
|---|---|---|---|---|---|
| no. | sign | direction | flux from post | flux from | reconnection |
| eruption arcade | flare ribbons | flux (poloidal) | |||
| (poloidal) | (poloidal) | [×1021 Mx] | |||
| [×1021 Mx] | [×1021 Mx] | ||||
| 1 | 1 | Southward | 0.2 | – | 0.2 |
| 2 | −1 | Northward | 1.7 | 1.1 | 1.4 |
| 3 | −1 | Southward | – | – | 9.4 ( * ) |
| 4 | −1 | Southward | – | – | 11.2 ( * ) |
| 5 | 1 | Southward | 11.1 | 10.9 | 11.0 |
| 6 | −1 | North-Eastward | – | – | 6.8 ( * ) |
| 7 | 1 | Southward | 1.2 | – | 1.2 |
| 8 | 1 | Southward | 14 | 5.3 | 9.7 |
| 9 | −1 | Northward | 1.3 | 1.1 ( ⋆ ) | 1.2 |
| 10 | −1 | Southward | 3.8 | – | 3.8 |
| 11 | −1 | Northward | 2.3 | 1.9 | 2.1 |
| 12 | −1 | Northward | 5.0 | 3.2 ( † ) | 4.1 |
| 13 | 1 | Southward | 6.5 | 5.8 ( ⋆ ) | 6.1 |
| 14 | −1 | Northward | 6.8 | 5.3 | 6.1 |
| 15 | −1 | Westward | 0.8 | 8.7 (⋄) | 4.8 |
| 16 | −1 | Westward | 3.9 (⋄) | 10 (⋄) | 7.0 |
Notes. Column 1: event number; column 2: helicity sign; column 3: axial field firection; columns 4 and 5: reconnection flux estimated from post-eruption arcade and from flare ribbons, respectively, where ‘–’ denotes inapplicable methods; column 6: average reconnection flux. ( * )The empirical relation between soft X-ray peak flux and reconnection flux is used (Tschernitz et al. 2018; Scolini et al. 2020). ( ⋆ )Method from Kazachenko et al. (2017). ( † )Method from Cliver et al. (2019). (⋄)Method from Scolini et al. (2020).
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