Probabilistic redshift estimation of unresolved galaxies from multi-band background light maps

arXiv:2607.14525 · astro-ph.CO, astro-ph.IM · Submitted 2026-07-16 · Read on arXiv

Shun-Sheng Li, Hendrik Hildebrandt, Ludovic Van Waerbeke

astro-ph.CO, astro-ph.IM

Submitted: 2026-07-16

Comments: 14 pages, 9 figures, 2 tables

Code: https://github.com/KiDS-WL/MultiBand_ImSimhttps:

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

Terminology

• Accuracy — 11× in this paper · explained in 1 episode
• Transformer — 6× in this paper · explained in 2 episodes
• Clustering — 3× in this paper · explained in 2 episodes
• Activation Function — 2× in this paper · explained in 1 episode
• Aperture — 2× in this paper · explained in 1 episode
• Robustness — 2× in this paper · explained in 5 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Higher-order statistics — 1× in this paper · explained in 2 episodes
• Uncertainty Quantification — 1× in this paper · explained in 8 episodes

Sources

• The Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s
• Enhancing LSST Science with Euclid Synergy
• NICE: Non-linear Independent Components Estimation
• Density estimation using Real NVP
• Cosmology with the SPHEREX All-Sky Spectral Survey
• Neural Spline Flows
• Euclid Quick Data Release (Q1) -- Data release overview
• Euclid preparation. Decomposing components of the extragalactic background light using multi-band intensity mapping cross-correlations
• Glow: Generative Flow with Invertible 1x1 Convolutions
• Normalizing Flows: An Introduction and Review of Current Methods
• Simple and Scalable Predictive Uncertainty Estimation using Deep Ensembles
• Normalizing Flows for Probabilistic Modeling and Inference
• On Wasserstein Two Sample Testing and Related Families of Nonparametric Tests
• SKYSURF IX -- The Cosmic Optical and Infrared Background from Integrated Galaxy Light Measurements

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