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The research aims to establish a structural framework for the BTFR and understand its emerging properties from disk equilibrium.

February 22, 20260 citationsOpen Access

Structural Regulation of Galactic Dynamics: Emergent BTFR Slopes and Acceleration Scales from Disk Equilibrium

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AKAlim ul haq khan

Key Points

The research aims to establish a structural framework for the BTFR and understand its emerging properties from disk equilibrium.
Developed a Newtonian-based framework for BTFR analysis.
Analyzed low-redshift datasets, including SPARC, MaNGA, MIGHTEE-HI, and WALLABY.
Outlined falsification criteria for future observational surveys.
Identified relationships between the observed BTFR slope and disk equilibrium characteristics.
Found intrinsic scatter floor in the BTFR consistent across various datasets.
Proposed characteristic acceleration scales influenced by disk self-regulation.

Abstract

This manuscript presents a Newtonian-based structural framework for the Baryonic Tully–Fisher Relation (BTFR), proposing that the observed slope, intrinsic scatter floor, and characteristic acceleration scale may emerge from disk self-regulation under centrifugal equilibrium and empirical size–mass scaling. The work is consistent with major low-redshift datasets (SPARC, MaNGA, MIGHTEE-HI, WALLABY) and structurally compatible with recent JWST photometric results, while high-redshift kinematic tests remain pending. Explicit falsification criteria are outlined for upcoming surveys (2026–2030).

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Structural Regulation of Galactic Dynamics: Emergent BTFR Slopes and Acceleration Scales from Disk Equilibrium

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