Simulation-based inference of deep fields: galaxy population model and redshift distributions
Beatrice Moser,
Tomasz Kacprzak,
Silvan Fischbacher
et al.
Abstract:Accurate redshift calibration is required to obtain unbiased cosmological information from
large-scale galaxy surveys. In a forward modelling approach, the redshift distribution n(z) of
a galaxy sample is measured using a parametric galaxy population model constrained by
observations. We use a model that captures the redshift evolution of the galaxy luminosity
functions, colours, and morphology, for red and blue samples. We constrain this model via
simulation-based inference, using factorized Appro… Show more
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