Table 1.
Properties of the 9 April 2022 solar particle event.
| Ions | t0 | Δt0 [MM:SS] | s [au] | Δs [au] | ndet | α at 18:00 |
|---|---|---|---|---|---|---|
| Sun, p | 11:14:29 | 05:50 | 2.103 | 0.03 | 12 | 67 |
| Sun, 4He | 11:35:02 | 14:32 | 1.986 | 0.075 | 12 | 67 |
| North, p1 | 11:45:16 | 02:58 | 1.374 | 0.011 | 16 | 29 |
| North, p2 | 12:06:53 | 05:16 | 1.678 | 0.021 | 11 | 29 |
| North, 4He | 11:31:38 | 04:14 | 1.523 | 0.022 | 9 | 29 |
| North 3He | 11:40:59 | 05:08 | 1.675 | 0.03 | 12 | 29 |
| Electrons | α at 12:00 | |||||
| North, e1 | 11:25:14 | 00:33 | 1.231 | 0.038 | 9 | 25 |
| North, e2 | 11:34:29 | 00:28 | 1.456 | 0.028 | 9 | 25 |
Notes. Times are given in UT. See the main text for a discussion. Individual columns are: t0 inferred solar release times, s path lengths, α central pitch angle of the Sun and north telescopes at 18:00 and 12:00. Results for ions are shown in the upper half, results for electrons in the lower half.
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