astro-ph.CO, astro-ph.GA, astro-ph.IM, cs.LG

CIGaRS I: Combined simulation-based inference from type Ia supernovae and host photometry

arXiv:2508.15899v2 Announce Type: replace-cross
Abstract: Using type Ia supernovae as cosmological probes requires empirical corrections that are correlated with their host environment. Here we present a unified Bayesian hierarchical model designed to…