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Table 2.

Properties of the modelled open solar flux variations with/without the addition of SC4b compared with observed 10Be, 14C and auroral variations.

B*(OSF) no SC4b B*(OSF) with SC4b B*(10Be) NA* 14C production
Time of primary SC4 peak 1788 1790–1792 1789 1788
Amplitude of SC4 peak relative to SC2 and SC3 Smaller Larger Larger Larger Larger
Secondary peak in 1794–1799? Yes No Yes No

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