The dark matter halo density profile, spiral arm morphology and black hole mass of M33
arXiv:1103.3200 · doi:10.5402/2011/725697
Abstract
In this paper, we investigate the dark matter halo density profile of M33. We find that the HI rotation curve of M33 is best described by a NFW dark matter halo density profile model, with a halo concentration of cvir = 4.0\pm1.0 and a virial mass of Mvir = (2.2\pm0.1)\times10^11 Msun. We go on to use the NFW concentration (cvir)of M33, along with the values derived for other galaxies (as found in the literature), to show that cvir correlates with both spiral arm pitch angle and supermassive black hole mass.
18 pages, accepted for publication
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- Constraining annihilating dark matter by radio data of M33
- Prospects for annihilating dark matter from M31 and M33 observations with the Cherenkov Telescope Array