Estimator forensics for the wide-binary gravity test: the eccentricity-triple coupling manufactures a pseudo-signal, and a pre-registered protocol for Gaia DR4

arXiv:2608.24556 · astro-ph.GA · Submitted 2026-08-25 · Read on arXiv

astro-ph.GA

Submitted: 2026-08-25

Updated: 2026-08-25

Comments: 7 pages, 3 figures, 1 table. Reproducibility package (pipeline, reduced catalogue, pre-registered Gaia DR4 protocol): github.com/HBoufourou/paperI-wide-binaries ; Zenodo DOI 10.5281/zenodo.22073431

Code: https://github.com/HBoufourou/paperI-wide-binaries

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

Terminology

• Calibration — 6× in this paper · explained in 7 episodes
• Robustness — 2× in this paper · explained in 5 episodes
• Alignment — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Generative Model — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• A Quality Framework for Testing Gravity with Wide Binaries: No Evidence for MOND
• Low-Acceleration Gravitational Anomaly from Bayesian 3D Modeling of Wide Binary Orbits: Methodology and Results with Gaia Data Release 3
• Detection of Gravitational Anomaly at Low Acceleration from a Highest-quality Sample of 36 Wide Binaries with Accurate 3D Velocities
• Revisiting Data Quality Control and Multiple-star Modeling in Wide Binary Gravity Tests: Confirmation of MOND-type Gravitational Anomaly at Low Acceleration
• Wide binaries without viable bound Newtonian orbits
• Wide Binaries from Gaia DR3 : testing GR vs MOND with realistic triple modelling
• No Gravitational Anomaly in Wide Binaries from Forward Modeling of 3D Orbits

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