Progenitor age corrections applied to Pantheon+ data shift the monopole q0 to positive values (deceleration) while the local dipole remains unchanged.
Do supernovae indicate an accelerating universe?
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Pantheon+ supernovae corrected for progenitor age indicate the universe is decelerating
Progenitor age corrections applied to Pantheon+ data shift the monopole q0 to positive values (deceleration) while the local dipole remains unchanged.