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Paper: The Exoplanets compared to Binary Stars in the Period-Eccentricity Diagram
Volume: 321, Extrasolar Planets: Today and Tomorrow
Page: 353
Authors: Halbwachs, J.-L.; Mayor, M.; Udry, S.
Abstract: A statistical test is used to compare the distribution of the exoplanets in the P – e diagram to the distribution of binaries. When binaries with large mass ratios are discarded, the eccentricities of planets are significantly lower than the eccentricities of double stars with the same periods.
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