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Fig. 14
Left panel: the flux density of the FIRST central component, Fr, versus dereddened flux density within the SDSS fiber at 3900 Å, Fo, for the sources with 0.05 <z ≤ 0.1. The candidate BL Lacs are plotted with red circles. Right panel: same as in the left panel, but for 0.1 <z ≤ 0.15.
This figure is made of several images, please see below:
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