Fig. 4.
Bi-dimensional spaces for the cosmographic free parameters ai. In each panel, the blue contours are the confidence levels at 1σ, 2σ, 3σ, and 4σ for the best fit on the real set of data (quasars+SNe), the red point is the best fit from the mock sample with ΩM, 0 = 0.28 and the green star corresponds to the prediction of the corresponding ΛCDM model from the expansion in z = 0.
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