The cored distribution of dark matter in spiral galaxies

@article{Gentile2004TheCD,
  title={The cored distribution of dark matter in spiral galaxies},
  author={Gianfranco Gentile and Paolo Salucci and Uli Klein and Daniela Vergani and Peter Kalberla},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2004},
  volume={351},
  pages={903-922}
}
We present the Hi data for 5 spiral galaxies that, along with their Hα rotation curves, are used to derive the distribution of dark matter within these objects. A new method for extracting rotation curves from Hi data cubes is presented; this takes into account the existence of a warp and minimises projection effects. The rotation curves obtained are tested by taking them as input to construct model data cubes that are compared to the observed ones: the agreement is excellent. On the contrary… Expand
NGC 3741: the dark halo profile from the most extended rotation curve
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The stellar and gaseous mass distributions, as well as the extended rotation curve in the nearby galaxy M33 are used to derive the radial distribution of dark matter density in the halo and to testExpand
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A better understanding of the formation of mass structures in the Universe can be obtained by determining the amount and distribution of dark and luminous matter in spiral galaxies. To investigateExpand
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Aims. In the present paper, we improve the “extended secondary infall model” (ESIM) of Williams and collaborators to obtain further insights into the cusp/core problem. Methods. A secondary infallExpand
Cores of dark matter haloes correlate with stellar scalelengths
We investigate in detail the mass distribution obtained by means of high-resolution rotation curves of 25 galaxies of different morphological types. The dark matter contribution to the circularExpand
Disk galaxy rotation curves and dark matter distribution
TLDR
The methods used to determine the rotation curves of the authors' Galaxy and other spiral galaxies in their outer parts, and the results of applying these methods are recapitulate, as well as the essential Newtonian theory of (disk) galaxy rotation curves. Expand
A constant dark matter halo surface density in galaxies
TLDR
The recent finding that the central surface density � 0Dr0ρ0 of galaxy dark matter halos, where r0 and ρ0 are the halo core radius and central density, is nearly constant and independent of galaxy luminosity is confirmed. Expand
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