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Table 1

Linear fit to the disk area coverage.

Coefficients Sunspot Faculae
a (−24 ± 5) × 10−5 (40 ± 4) × 10−4
b (144 ± 3) × 10−7 (124 ± 3) × 10−6
RMS 5.3 × 10−7 5.9 × 10−5

Notes. Listed are the regression coefficients, their 1-σ uncertainty range, and the RMS difference for the linear fit: y = a + b*SSN, where y is the filling factor and SSN the Sunspot number.

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