What question did this study set out to answer?

This research aims to evaluate different models of baryonic dynamics in the Fornax dwarf spheroidal galaxy using the Jeans dispersion test.

June 28, 2026Open Access

CDN-366: The Fornax ν-Test

Puntos clave

This research aims to evaluate different models of baryonic dynamics in the Fornax dwarf spheroidal galaxy using the Jeans dispersion test.
Employs a falsifiable Fornax dSph Jeans dispersion test using stellar velocity data and structural parameters.
Constructs a binned line-of-sight dispersion profile under a matched spherical Plummer Jeans setup.
Compares results from Newtonian baryons, simple MOND, and locked GCFT models.
Developed a comprehensive model grid and χ² table assessing the fit of different baryonic models.
Showed significant variations in predicted dispersion profiles across the tested models.
Provided detailed residuals and validation notes supporting the findings.

Resumen

CDN-366 locks and executes a falsifiable Fornax dSph Jeans dispersion test for the GCFT interpolation law ν (x) =1+1/ (exp (sqrt (x) ) -1), with x=gbar/a0 and a0=1. 2e-10 m/s². Using public Walker et al. Fornax stellar velocities and McConnachie structural parameters, this release builds a binned line-of-sight dispersion profile and compares Newtonian baryons, simple MOND, and locked GCFT under a matched spherical Plummer Jeans setup. The artifact includes source data, model grid results, residuals, χ² tables, figures, prediction hash, and validation notes.

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Cite This Study

Nicky Joseph Hubertus Catharina Hacquier (Fri,) studied this question.

synapsesocial.com/papers/6a40bae361bb0a67205c692e https://doi.org/https://doi.org/10.5281/zenodo.20929544

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