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Table A.1

Spectral parameters for GLE fluences of SCs 23 and 24.

GLE Date J0 [cm-2] γ1 γ2 R0 [GV]

55 1997-Nov.-06 (8.15 ± 0.85) × 108 0.28 ± 0.09 5.38 ± 0.09 0.116 ± 0.004
56 1998-May-02 (8.98 ± 0.76) × 106 1.31 ± 0.07 6.51 ± 0.55 0.196 ± 0.008
57 1998-May-06 (1.64 ± 0.04) × 106 1.92 ± 0.02 7.46 ± 0.41 0.202 ± 0.003
58 1998-Aug.-24 (2.10 ± 0.05) × 105 2.98 ± 0.02 5.27 ± 0.34 0.677 ± 0.034
58 esp 1998-Aug.-24 (1.63 ± 0.04) × 104 5.26 ± 0.03 7.74 ± 0.34 0.983 ± 0.060
59 2000-Jul.-14 (2.94 ± 0.30) × 109 0.51 ± 0.10 7.46 ± 0.14 0.123 ± 0.003
59 esp 2000-Jul.-14 (6.01 ± 0.18) × 107 3.24 ± 0.05 7.85 ± 0.29 0.226 ± 0.005
60 2001-Apr.-15 (5.22 ± 0.54) × 107 1.39 ± 0.09 5.69 ± 0.08 0.260 ± 0.012
61 2001-Apr.-18 (8.39 ± 0.75) × 106 1.85 ± 0.07 5.02 ± 0.14 0.237 ± 0.012
62 2001-Nov.-04 (2.14 ± 0.19) × 109 0.24 ± 0.07 6.67 ± 0.31 0.093 ± 0.003
62 esp 2001-Nov.-04 (4.78 ± 0.11) × 108 2.36 ± 0.04 11.2 ± 0.3 0.129 ± 0.002
63 2001-Dec.-26 (2.17 ± 0.19) × 107 1.81 ± 0.07 7.86 ± 0.34 0.180 ± 0.006
64 2002-Aug.-24 (5.06 ± 0.46) × 106 2.36 ± 0.08 6.70 ± 0.33 0.225 ± 0.010
65 2003-Oct.-28 (8.44 ± 0.78) × 109 0.01 ± 0.08 6.48 ± 0.25 0.089 ± 0.003
65 esp 2003-Oct.-28 (1.12 ± 0.04) × 108 2.81 ± 0.05 8.92 ± 0.10 0.171 ± 0.003
66 2003-Oct.-29 (7.62 ± 0.18) × 107 2.04 ± 0.02 6.86 ± 0.30 0.206 ± 0.004
67 2003-Nov.-02 (2.27 ± 0.20) × 106 3.50 ± 0.07 7.01 ± 0.52 0.321 ± 0.017
68 2005-Jan.-17 (3.51 ± 0.11) × 107 2.65 ± 0.05 8.29 ± 0.11 0.162 ± 0.003
69 2005-Jan.-20 (3.81 ± 0.29) × 108 0.72 ± 0.07 5.78 ± 0.06 0.204 ± 0.007
70 2006-Dec.-13 (1.33 ± 0.14) × 108 1.05 ± 0.09 5.80 ± 0.09 0.177 ± 0.007
71 2012-May-17 (1.03 ± 0.11) × 107 1.36 ± 0.09 6.96 ± 0.97 0.219 ± 0.008

Notes. Events labeled with numbers are the official GLEs and the ones below appended with “esp” are the energetic storm particle components related to these GLEs. The uncertainties are estimated by varying the parameter of interest while holding the others at their best-fit value.

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