Galaxy-Specific Dark-Matter-Like Phenomenology Encoded in Baryonic Structure
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2025
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| _version_ | 1866901732449058816 |
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| author | Damon, Kyron |
| author_facet | Damon, Kyron |
| contents | <p>Galaxy rotation curves are commonly interpreted as evidence for dark matter halos with object-dependent amplitudes and profiles.</p> <p> </p> <p>This short empirical note demonstrates that galaxy-specific dark-matter-like rotational behavior can be recovered using baryonic structure alone, without assigning per-galaxy halo amplitudes or profiles. Using publicly available SPARC baryonic decompositions, a fixed radial response operator is applied uniformly across dwarf and spiral galaxies, with galaxy individuality emerging from baryonic structure rather than parameter tuning. The same operator, calibrated on galaxies, is shown to extend consistently to galaxy clusters without modification.</p> <p> </p> <p>The results document an empirical regularity suggesting that the missing-gravity signal is structurally encoded in the baryonic distribution, motivating further investigation into structure-dependent gravitational response.</p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17995305 |
| institution | Zenodo |
| language | |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Galaxy-Specific Dark-Matter-Like Phenomenology Encoded in Baryonic Structure Damon, Kyron Dark matter <p>Galaxy rotation curves are commonly interpreted as evidence for dark matter halos with object-dependent amplitudes and profiles.</p> <p> </p> <p>This short empirical note demonstrates that galaxy-specific dark-matter-like rotational behavior can be recovered using baryonic structure alone, without assigning per-galaxy halo amplitudes or profiles. Using publicly available SPARC baryonic decompositions, a fixed radial response operator is applied uniformly across dwarf and spiral galaxies, with galaxy individuality emerging from baryonic structure rather than parameter tuning. The same operator, calibrated on galaxies, is shown to extend consistently to galaxy clusters without modification.</p> <p> </p> <p>The results document an empirical regularity suggesting that the missing-gravity signal is structurally encoded in the baryonic distribution, motivating further investigation into structure-dependent gravitational response.</p> |
| title | Galaxy-Specific Dark-Matter-Like Phenomenology Encoded in Baryonic Structure |
| topic | Dark matter |
| url | https://doi.org/10.5281/zenodo.17995305 |