Fig. 7
Log − Log plots of the NUV (filled circles) and FUV (open circles) structure functions with respect to the rest frame time lags for the UV-variable quasars. The data averages are shown in 10 bins of equal logarithmically spaced time lags. Best fit straight lines (dashed) and quadratic fits (full line) are shown for both Structure Functions. Both sets of data reveal a flattening of their structure functions for time lags > 300 days.
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