After the progenitor age-bias correction, Pantheon+ and DES supernova distances favor the one-parameter relation dL = (c/H0)(1+z)ln(1+z) over flat ΛCDM, with joint ΔBIC = 25.2.
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Progenitor age-bias-corrected Type Ia supernovae favor a logarithmic luminosity-distance relation
After the progenitor age-bias correction, Pantheon+ and DES supernova distances favor the one-parameter relation dL = (c/H0)(1+z)ln(1+z) over flat ΛCDM, with joint ΔBIC = 25.2.