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Table 2

Non-linear limb-darkening coefficients obtained by linear interpolation on the tables provided by Claret & Bloemen (2011) based on PHOENIX atmosphere models.

Filter a1 a2 a3 a4 L3

Kepler 0.473a 0.192a  −  − 0.0276
Kepler 0.801  −0.676 1.053  −0.388 0.0276
Strömgren u 0.910  −1.006 1.388  −0.355 0.0045
Strömgren v 0.863  −0.767 1.872  −0.617 0.0102
Strömgren b 0.698  −1.206 1.572  −0.599 0.0180
Strömgren y 0.758  −0.663 1.203  −0.454 0.0227
Johnson U 1.085  −1.412 1.721  −0.466 0.0053
Johnson B 0.754  −0.937 1.734  −0.641 0.0137
Johnson V 0.742  −0.602 1.134  −0.434 0.0216
Cousins R 0.796  −0.632 0.993  −0.378 0.0294
Cousins I 0.853  −0.746 0.963  −0.363 0.0360
SDSS i 0.829  −0.688 0.935  −0.354 0.0343b
SDSS z 0.861  −0.807 0.967  −0.360 0.0425b

Notes. The last column gives the fraction of flux due to the visual companion detected by Daemgen et al. (2009).

(a)

Interpolated coefficients for a quadratic limb-darkening law.

(b)

Values are based on magnitude differences directly measured by Daemgen et al. (2009).

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