Image Details
Caption: Figure B1.
Alternative supernova constraints using DESI DR2 and CMB-1000. The panels show the marginalized wDM posteriors for wwDM (left) and Padé-w+wDM (right), comparing Pantheon+ with Union3. The dotted line marks wDM = 0.
© 2026. The Author(s). Published by the American Astronomical Society.