Optimizing the extraction of information from redshift probability distribution functions

arXiv:2607.26822 · astro-ph.IM, astro-ph.CO · Submitted 2026-07-29 · Read on arXiv

Rodrigo Duarte, Valerio Marra

astro-ph.IM, astro-ph.CO

Submitted: 2026-07-29

Comments: 14 pages, 11 figures

Code: https://github.com/valerio-marra/turboPDZ

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Calibration — 17× in this paper · explained in 7 episodes
• AUC — 14× in this paper · explained in 2 episodes
• Robustness — 5× in this paper · explained in 5 episodes
• Accuracy — 3× in this paper · explained in 1 episode
• Hyper Suprime-Cam — 3× in this paper
• Interpretability — 3× in this paper · explained in 15 episodes
• AdamW Optimizer — 2× in this paper · explained in 1 episode
• Degeneracy — 2× in this paper · explained in 3 episodes
• Pruning — 2× in this paper · explained in 4 episodes
• Activation Function — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Cooperation — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Loss Function — 1× in this paper · explained in 2 episodes
• National Astronomical Observatory of Japan — 1× in this paper
• Objective Function — 1× in this paper · explained in 2 episodes
• Population Synthesis — 1× in this paper · explained in 2 episodes
• Regularization — 1× in this paper · explained in 3 episodes

Sources

• Optuna: A Next-generation Hyperparameter Optimization Framework
• Photometric Redshifts for the Hyper Suprime-Cam Subaru Strategic Program Data Release 2
• The LSST Dark Energy Science Collaboration (DESC) Science Requirements Document
• The Hyper Suprime-Cam SSP Survey: Overview and Survey Design
• Third Data Release of the Hyper Suprime-Cam Subaru Strategic Program
• Dark Energy Survey Year 6 Results: Photometric Data Set for Cosmology
• The miniJPAS survey: a preview of the Universe in 56 colours
• Hyper Suprime-Cam Year 3 Results: Cosmology from Cosmic Shear Power Spectra
• Euclid preparation: X. The Euclid photometric-redshift challenge
• The miniJPAS survey: the photometric redshift catalogue
• Estimating Luminosities and Stellar Masses of Galaxies Photometrically without Determining Redshifts
• CLASH: Photometric redshifts with 16 HST bands in galaxy cluster fields
• Euclid. I. Overview of the Euclid mission
• Photometric Redshifts for Next-Generation Surveys
• Accurate photometric redshift probability density estimation - method comparison and application
• The many flavours of photometric redshifts
• Evaluation of probabilistic photometric redshift estimation approaches for The Rubin Observatory Legacy Survey of Space and Time (LSST)
• Dark Energy Survey Year 3 Results: Photometric Data Set for Cosmology
• Photometric Redshift with Bayesian Priors on Physical Properties of Galaxies
• Photometric Redshifts for Hyper Suprime-Cam Subaru Strategic Program Data Release 1

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