Variation in solar differential rotation and activity in the period 1964-2016 determined by the Kanzelhöhe data set

I. Poljančić Beljan, R. Jurdana-Šepić, T. Jurkić +8

We determined the differential rotation (DR) parameters $A$ and $B$ (corresponding to the equatorial rotation velocity and the gradient of the solar DR) by tracing sunspot groups i…