Distribution of the equivalent width of the broad component of H_α (top) and of black hole masses derived using Eq. (1) (bottom) for objects with EW_Hα > 5 Å. In both histograms, each set of variability-selected AGN candidates is plotted in different colors: orange for Alerts, blue for Forced Photometry, green for ZTFDR11 g-band, and red for ZTFDR11 r-band. In the top panel, the vertical line indicates EW_Hα = 5 Å.