Kinematic constraints on the stellar and dark matter content of spiral and S0 galaxies

  title={Kinematic constraints on the stellar and dark matter content of spiral and S0 galaxies},
  author={M. J. Williams and M. Bureau and M. Cappellari},
  journal={Monthly Notices of the Royal Astronomical Society},
  • M. J. Williams, M. Bureau, M. Cappellari
  • Published 2009
  • Physics
  • Monthly Notices of the Royal Astronomical Society
  • We present mass models of a sample of 14 spiral and 14 SO galaxies that constrain their stellar and dark matter content. For each galaxy, we derive the stellar mass distribution from near-infrared photometry under the assumptions of axisymmetry and a constant K s -band stellar mass-to-light ratio (M/L) Ks . To this we add a dark halo assumed to follow a spherically symmetric Navarro, Frenk and White profile and a correlation between concentration and dark mass within the virial radius, M DM… CONTINUE READING
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