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In the manuscript, the properties of the proposed intermediate BLR arechecked for the mapped AGN PG 0052+251. With the considerations of the apparenteffects of the broad He {\sc ii} line on the observed broad H$\beta$ profile,the line parameters (especially the line width and the line flux) of theobserved broad H$\alpha$ and the broad H$\beta$ are carefully determined. Basedon the measured line parameters, the model with two broad components appliedfor each observed broad balmer line is preferred, and then confirmed by thecalculated much different time lags for the inner/intermediate broad componentsand the corresponding virial BH masses ratio determined by the properties ofthe inner and the intermediate broad components. Then, the correlation betweenthe broad line width and the broad line flux is checked for the two broadcomponents: one clearly strong negative correlation for the inner broadcomponent, but one positive correlation for the intermediate broad component.The different correlations for the two broad components strongly support theintermediate BLR of PG0052+251.

More Evidence for the Intermediate Broad Line Region of the Mapped AGN PG 0052+251