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Fig. 9
Cross correlations of Ark 120 light curves for B and NB, and for B and the synthetic Hβ (=NB − 0.5 V). The dotted lines indicate the error range ( ± 1σ) around the cross correlation. The red shaded area marks the range used to calculate the lag τcent (vertical dashed line).
This figure is made of several images, please see below:
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