A non-empirical rotation activity relation for RS Cvn binaries using
Irish Astronomical Journal, 1998, 25, 33.
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ABSTRACT. An analysis of a comprehensive survey of radio
luminosities for RS CVn binary systems is given. A comparison is made
between the rotation-activity correlations found using the usual
semi-empirical Rossby number and a Rossby number deduced from detailed
convection zone models. The use of a non-empirically derived
Rossby number does not significantly improve the rotation-activity
correlation. Although there are some indications that the rotation-activity
correlations are marginally better for theoretically derived
convective parameters this study is limited by the size of the sample.