Fig. 1
Lightcurves of models for stable disks in which the viscous stress scales only with the gas pressure. The green (red) line shows the model with viscous fluctuation amplitude b0 = 0.6 (0.99), and the thick black line shows the model with b0 = 0.0. The mean viscosity parameter α0 = 0.1, the mean accretion rate is ṁ = 0.33, and the black hole mass is 3 × 108 M⊙.
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