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Fig. 2


Cross correlation function (normalized to peak intensity) of F2/F1 with F1 in the case of a time-lagged BLR (thin blue line) and of a non-variable BLR (dashed black). The third curve (thick solid black line) shows the CCF between the fraction of the quasar flux affected by (free of) microlensing F (FM), as obtained by linearly combining F1 and F2 (Sect. 2.4, Eq. (5)). The dotted-dashed vertical line shows the fiducial time lag τ = 100 days between the variation of the continuum and of the BLR in the simulation.

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