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Fig. 6.
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Differences between 
and 
as a function of the relative radius of the primary. The mean differential for systems with r1 < 0.18 is δ log k2 = −0.002 ± 0.012 and for those with r1 > 0.18 is δ log k2 = −0.010 ± 0.008, but no significant trend is detected over a constant model.
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