The U-Cell Model vs DES SN5YR: Consistency with 1820 Type Ia Supernovae from the Dark Energy Survey Five-Year Dataset

Norbert Prebeck

doi:10.5281/zenodo.19412630

April 4, 2026Open Access

The U-Cell Model vs DES SN5YR: Consistency with 1820 Type Ia Supernovae from the Dark Energy Survey Five-Year Dataset

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Key Points

This research aims to assess the consistency of the U-Cell Model with Type Ia supernovae data from the Dark Energy Survey.
Tested UCM parameters (Omega_m=0.3166, w=-1) against 1820 supernovae from DES SN5YR.
Calculated chi-squared statistic for model fitting.
Performed a cross-check with Pantheon+ using alternative photometry and classification.
Chi-squared per degree of freedom was 0.933, indicating a good fit.
BIC value showed a ΔBIC of +7.5, the strongest result in the evaluated series.

Implication

Tests UCM against DES SN5YR dataset of supernovae, indicating strong model consistency with findings.

Abstract

Tests UCM (Omega_m=0.3166, w=-1) against the DES SN5YR Dovekiedataset (1820 SNe, z=0.025-1.14, Sanchez et al. 2024). M_Banalytically marginalised. chi²/dof=1696.5/1819=0.933, ΔBIC=+7.5-- the strongest BIC result of the series. Independent cross-checkon Pantheon+ using different photometry and classification pipeline.

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Cite This Study

Norbert Prebeck (2026) studied this question.

synapsesocial.com/papers/69d34e739c07852e0af980ed https://doi.org/10.5281/zenodo.19412630

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The U-Cell Model vs DES SN5YR: Consistency with 1820 Type Ia Supernovae from the Dark Energy Survey Five-Year Dataset

Key Points

Implication

Abstract

Discussion

Cite This Study

The U-Cell Model vs DES SN5YR: Consistency with 1820 Type Ia Supernovae from the Dark Energy Survey Five-Year Dataset

Key Points

Implication

Abstract

Discussion

Cite This Study

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