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Fig. 9

image

Flux-flux linear correlation plots for a time lag of zero for the long-term light curves reported in Fig. 4. a) One-month-averaged Fermi-LAT fluxes (E> 1 GeV) vs. one-month-averaged optical R-band fluxes. b) One-month-averaged Fermi-LAT fluxes (E> 1 GeV) vs. one-month-averaged radio 15 GHz fluxes. c) Radio 15 GHz fluxes vs. optical R-band fluxes. (Only single observations occurring during the same day were used.) The dotted line shows the best fit with a linear function.

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