93 citations · 208 across the 7 of their papers we have counts for
7 papers
Is the Dark Halo of the Milky Way Prolate?
A. Bowden, N. W. Evans, A. A. Williams
We introduce the flattening equation, which relates the shape of the dark halo to the angular velocity dispersions and the density of a tracer population of stars. It assumes spher…
The Doubloon Models of Dark Haloes
N. W. Evans, J. An, A. Bowden +1
A family of spherical halo models with flat circular velocity curves is presented. This includes models in which the rotation curve has a finite central value but declines outwards…
Dipping Our Toes in the Water: First Models of GD-1 as a Stream
A. Bowden, V. Belokurov, N. W. Evans
We present a model for producing tidal streams from disrupting progenitors in arbitrary potentials, utilizing the idea that the majority of stars escape from the progenitor's two L…
On Asymmetric Distributions of Satellite Galaxies
A. Bowden, N. W. Evans, V. Belokurov
We demonstrate that the asymmetric distribution of M31 satellites cannot be produced by tides from the Milky Way as such effects are too weak. However, loosely bound associations a…
Extremely Flat Haloes and the Shape of the Galaxy
N. W. Evans, A. Bowden
We present a set of highly flattened galaxy models with asymptotically constant rotation curves. The mass density in the equatorial plane falls like (distance) at large radi…
Hamiltonians of Spherically Symmetric, Scale-Free Galaxies in Action-Angle Coordinates
A. A. Williams, N. W. Evans, A. Bowden
We present a simple formula for the Hamiltonian in terms of the actions for spherically symmetric, scale-free potentials. The Hamiltonian is a power-law or logarithmic function of…