Differences in the solar cycle variability of simple and complex active regions during 1996-2018

Shabnam Nikbakhsh, Eija Tanskanen, Maarit Käpylä +1

Aims. Our aim is to examine the solar cycle variability of magnetically simple and complex active region. Methods. We studied simple ($\alpha$ and $\beta$) and complex ($\beta \gamma$ and $\beta \gamma \delta$) acti…