The Mass Profile of the Milky Way to the Virial Radius from the Illustris Simulation

  title={The Mass Profile of the Milky Way to the Virial Radius from the Illustris Simulation},
  author={Corbin Taylor and Michael Boylan-Kolchin and Paul Torrey and Mark Vogelsberger and Lars Hernquist},
  journal={Monthly Notices of the Royal Astronomical Society},
We use particle data from the Illustris simulation, combined with individual kinematic constraints on the mass of the Milky Way (MW) at specific distances from the Galactic Centre, to infer the radial distribution of the MW's dark matter halo mass. Our method allows us to convert any constraint on the mass of the MW within a fixed distance to a full circular velocity profile to the MW's virial radius. As primary examples, we take two recent (and discrepant) measurements of the total mass within… Expand

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