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This research aims to explore how internal structural properties affect deviations from the baryonic Tully–Fisher relation in galaxies.

April 18, 2026Open Access

Structure Dependent Scaling Galaxy Dynamics

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This research aims to explore how internal structural properties affect deviations from the baryonic Tully–Fisher relation in galaxies.
Analyzed galaxy rotation curve data from the SPARC database.
Introduced a dimensionless parameter to quantify density gradients.
Examined the relationship between density gradients and BTFR residuals.
Found a weak correlation (r ≈ 0.1) between density gradients and BTFR deviations.
Proposed that density gradients drive matter redistribution in galaxies.
Suggest that galaxy dynamics are influenced by both BTFR scaling and internal structure.

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Analysis reveals a correlation between density gradients and deviations in galaxy dynamics, suggesting structural influences.

Giorgos Vardiampasis (2026) studied this question.

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