TRUE 6.6 – Redistributive Analysis of the Decline in the Galactic Rotation Curve Observed by Gaia Multi-Probe Validation of the Dynamic Model K(t,z) on HI + Gaia Data
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| Format: | Recurso digital |
| Sprache: | Englisch |
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2025
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| _version_ | 1866901841255596032 |
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| author | Febba, Michel |
| author_facet | Febba, Michel |
| contents | <p>This study presents a quantitative analysis of the decline in the Milky Way rotation curve (Gaia DR3, arXiv:2407.18846) within the framework of the Evolving Universal Redistributive Theory (TRUE 6.6). <br><br>The adjustment of the dynamic field according to ρ_K(r) = ρ_0 (r/r_0)^{-β} shows that external galactic dynamics can be explained without invoking a stable dark matter halo. <br><br>The redistributive fit (ρ_0 ≈ 4.8×10^{-3} M_⊙ pc^{-3}, β ≈ 2.46) reproduces the decline p ≈ -0.27 observed by Gaia. <br><br>Multi-probe integration (HI flaring + Gaia vertical dispersion) reduces the Bayesian information criterion (BIC ≈ 17.0) compared to the NFW model (BIC ≈ 25), demonstrating the parsimony of the TRUE framework for extended baryonic dynamics.<br><br></p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17593980 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | TRUE 6.6 – Redistributive Analysis of the Decline in the Galactic Rotation Curve Observed by Gaia Multi-Probe Validation of the Dynamic Model K(t,z) on HI + Gaia Data Febba, Michel Galactic rotation curve, Milky Way, Gaia DR3, dark matter, NFW model, dynamic redistribution, TRUE 6.6, field K(t,z), effective density, HI flaring, vertical dispersion, BIC, baryonic dynamics, local instabilities, observational cosmology <p>This study presents a quantitative analysis of the decline in the Milky Way rotation curve (Gaia DR3, arXiv:2407.18846) within the framework of the Evolving Universal Redistributive Theory (TRUE 6.6). <br><br>The adjustment of the dynamic field according to ρ_K(r) = ρ_0 (r/r_0)^{-β} shows that external galactic dynamics can be explained without invoking a stable dark matter halo. <br><br>The redistributive fit (ρ_0 ≈ 4.8×10^{-3} M_⊙ pc^{-3}, β ≈ 2.46) reproduces the decline p ≈ -0.27 observed by Gaia. <br><br>Multi-probe integration (HI flaring + Gaia vertical dispersion) reduces the Bayesian information criterion (BIC ≈ 17.0) compared to the NFW model (BIC ≈ 25), demonstrating the parsimony of the TRUE framework for extended baryonic dynamics.<br><br></p> |
| title | TRUE 6.6 – Redistributive Analysis of the Decline in the Galactic Rotation Curve Observed by Gaia Multi-Probe Validation of the Dynamic Model K(t,z) on HI + Gaia Data |
| topic | Galactic rotation curve, Milky Way, Gaia DR3, dark matter, NFW model, dynamic redistribution, TRUE 6.6, field K(t,z), effective density, HI flaring, vertical dispersion, BIC, baryonic dynamics, local instabilities, observational cosmology |
| url | https://doi.org/10.5281/zenodo.17593980 |