Determination of non-linear effects of limb-darkening in eclipsing variables from observations of their light minima |
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Authors: | Zdeněk Kopal |
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Affiliation: | (1) Department of Astronomy, University of Manchester, England |
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Abstract: | The aim of the present note is to point out that observations of eclipsing variables within minima do not, in general, allow a separation of the quadratic terms of limb-darkening from the first-order effects of the gravity-darkening of distorted components undergoing eclipse. Only a difference of the two can be deduced from the observations, but — especially in close binaries — the net effect will be dominated by gravity-darkening. |
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