Fig. 3
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Revised photospheric to spot temperature. Original photometric data points from Berdyugina (2005) are shown as light blue open circles. Doppler imaging values are shown as filled red circles where the values are taken from Table 1 and the values for the Sun are shown as two large open light blue circles with a temperature of 5800 K. The fit parameters are shown Equation (1) and summarised in Table 5.
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