# Malmquist Bias **Domain:** Observational Astronomy / Statistical Selection Effects **Doc Type:** Scientific Concept Node **Malmquist bias** is a selection effect in flux-limited observations: intrinsically brighter objects are detectable across a larger volume and therefore become overrepresented in an observed sample. ## STEVE Context The model described in [[Steve - A Hierarchical Bayesian Model for Supernova Cosmology]] improves the treatment of Malmquist bias while jointly fitting supernova populations, cosmological parameters, and systematic uncertainty. ## Routes [[articles/STEVE|STEVE]] · [[Type Ia Supernova]] ## Primary Source - [Hinton et al., arXiv:1811.02381](https://arxiv.org/abs/1811.02381)