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Table 1.

Parameters calculated for seven different solar flares. The last column indicates the acronym of the magnetic observatory used in each event.

Date Power α × 10−4 β × 1010 σ R 2 a b OBS
20 July 2004 M8.6 13.7 ± 0.67 5.8 ± 1.5 0.52 ± 0.24 0.73 2 1 ESK
04 June 2007 M9.0 7.5 ± 1.2 6.60 ± 2.1 0.10 ± 0.21 0.84 1 0 KAK
08 November 2013 X1.1 8.7 ± 1.7 6.4 ± 2.4 0.22 ± 0.36 0.81 1 1 IRT
24 September 2011 X1.9 6.0 ± 2.3 5.8 ± 2.6 0.47 ± 0.11 0.88 2 1 SOD
20 January 2005 X7.1 2.0 ± 0.6 2.4 ± 1.1 0.1 ± 0.4 0.69 2 0 ABG
15 April 2001 X14.4 2.5 ± 0.6 3.5 ± 2.2 1.3 ± 0.50 0.89 2 0 ESK
2 April 2001 X20.0 1.7 ± 0.2 2.6 ± 1.5 −0.18 ± 24 0.74 2 1 CBB

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