Abstract
The interpretation of high-precision transit light curves of binary systems with exoplanets Kepler-5b, Kepler-6b, and Kepler-7b is performed for three different epochs. It has been demonstrated that the values of the stellar limb-darkening coefficients differ significantly for each epoch, while the geometric parameters for each epoch agree well with each other within the error margin. It is shown that reliable determination of the limb-darkening coefficients requires methods that would “clear” the observed transit light curves from effects caused by surface inhomogeneity.
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