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 coefficientsdiffer significantly for each epoch, while the geometric parameters for each epoch agree well with each other within the errormargin. It is shown that reliable determination of the limb-darkening coefficients requires methods that would “clear” theobserved transit light curves from effects caused by surface inhomogeneity.
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