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Fig. 6.

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Comparison between the κTNG samples’ power spectrum and our posterior power spectrum. The red curve is computed from the κTNG simulated map. The green curve is the power spectra of a white Gaussian noise realization that we use to initialize the chains. The blue curve is the mean power spectrum of posterior samples, assuming our proposed hybrid prior, and the blue interval represents the standard deviation of the power spectra computed over 400 samples.

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