DISTRIBUTION OF DARK AND LUMINOUS MASS IN GALAXIES
A uniform scale relation between dark and baryonic matter is observed in galaxies over a broad range of physical parameter space. The ratio of dark to baryonic mass is found to increase proportionately with radial distance in observational data spanning a wide dynamic range of morphological type, ro...
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| Veröffentlicht in: | The Astronomical journal 2014-06, Vol.147 (6), p.135 |
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| container_title | The Astronomical journal |
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| creator | Lovas, Stephen Kielkopf, John F. |
| description | A uniform scale relation between dark and baryonic matter is observed in galaxies over a broad range of physical parameter space. The ratio of dark to baryonic mass is found to increase proportionately with radial distance in observational data spanning a wide dynamic range of morphological type, rotation velocity, radius, surface density, and mass. This close relation between dark and baryonic mass poses a fine-tuning problem for galaxy formation models. Such a uniform scale relation, extending from the inner galactic region to the outermost kinematic data point, may play a role in clarifying the dark matter phenomenon. |
| doi_str_mv | 10.1088/0004-6256/147/6/135 |
| format | Article |
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The ratio of dark to baryonic mass is found to increase proportionately with radial distance in observational data spanning a wide dynamic range of morphological type, rotation velocity, radius, surface density, and mass. This close relation between dark and baryonic mass poses a fine-tuning problem for galaxy formation models. 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| ispartof | The Astronomical journal, 2014-06, Vol.147 (6), p.135 |
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| source | Institute of Physics Open Access Journal Titles; EZB-FREE-00999 freely available EZB journals; IOPscience extra; Alma/SFX Local Collection |
| subjects | ASTROPHYSICS, COSMOLOGY AND ASTRONOMY BARYONS DENSITY DISTANCE DISTRIBUTION GALAXIES LUMINOSITY MASS NONLUMINOUS MATTER ROTATION SPACE SURFACES VELOCITY |
| title | DISTRIBUTION OF DARK AND LUMINOUS MASS IN GALAXIES |
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