Hybrid photometric redshifts for sources in the COSMOS and XMM-LSS fields
P. W. Hatfield,
M. J. Jarvis,
N. Adams
et al.
Abstract:In this paper we present photometric redshifts for 2.7 million galaxies in the XMM-LSS and COSMOS fields, both with rich optical and near-infrared data from VISTA and HyperSuprimeCam. Both template fitting (using galaxy and Active Galactic Nuclei templates within LePhare) and machine learning (using GPz) methods are run on the aperture photometry of sources selected in the K s -band. The resulting predictions are then combined using a Hierarchical Bayesian model, to produce consensus photometric redshift point… Show more
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