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Fig. 7.

image

Sensitivity to the quasar image brightness m3rd of the lens search method based only on spatial extent. Wide: the group of lensed quasars with the largest separation among the pairs θLP >  1.5″. Narrow: the group of lensed quasars with 0.5″ <  θLP ≤ 1.5″. The top panels show the TPRs of each m3rd bin, when pthrs% = 95% and Nthrs = 9. The bottom panels show the number of mock lenses in each m3rd bin. Our lens search algorithm can identify more than 90% of the lensed quasars with m3rd <  21.0 mag.

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