Fig. 5.
Broken power-law parameter estimation based on the MCMC algorithm used in deriving the break frequency. The red lines and ellipses show the results of the corresponding ODR fit, while the black contours show the 1, 2, and 3σ contours of the MCMC samples. Left panel: four-parameter fit with the break frequency treated as a free parameter. Right panel: three-parameter broken power-law fit derived by fixing the break frequency to the best-fit value of νb in the left panel.
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