Pantheon+ supernova distance moduli and model residuals are found to be non-Gaussian, better fit by a skew-t distribution, and bootstrap confidence intervals are provided for an interacting dark-energy model.
On the statistical assumption on the distance moduli of Supernovae Ia and its impact on the determination of cosmological parameters
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On the Gaussian Assumption in the Estimation of Parameters for Dark Energy Models
Pantheon+ supernova distance moduli and model residuals are found to be non-Gaussian, better fit by a skew-t distribution, and bootstrap confidence intervals are provided for an interacting dark-energy model.