Fig. 5
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γ-ray luminosity and photon index plane for confirmed blazars from the Fermi/LAT catalog and for the classifications of 117 BCUs from our work. The straight lines indicate the boundaries between FSRQs and BL Lacs: αph = −0.127 logLγ + 8.18 (purple dashed) is from Chen (2018), αph = −0.140 logLγ + 8.73 (purple solid) for SVM, and αph = −0.153 logLγ + 9.26 (blue solid) for LDA.
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