Space Climate
Open Access

Fig. 7

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Sunspot maximum data, Rmax vs. geomagnetic index data aamin. The latter have been taken from the standard time series (open circles, thin regression line) and the Lockwood time series (filled circles, thick regression line). The left- and right-hand panels are for the Regular Episode (sunspot cycles #9 to #25) and for the Grand Maximum (sunspot cycles #16 to #23), respectively. The abscissa values of the green (left) and the red (right) stars are our predictions from the standard aamin data (De Jager & Duhau 2009) and for the Lockwood data (Duhau & De Jager 2010), respectively. The ordinate values are those of the corresponding open triangles in Figure 3. The error bar is included in the left-hand diagram.

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