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Modeling The Structure And Dynamics of Dwarf Spheroidal Galaxies with Dark Matter And Tides
Ricardo R. Munoz, Steven R. Majewski, Kathryn V. Johnston
We report the results of N-body simulations of disrupting satellites aimed at exploring whether the observed features of dSphs can be accounted for with simple, mass-follows-light…
The Stellar Content of Galaxy Halos: A Comparison between LambdaCDM Models and Observations of M31
Andreea S. Font, Kathryn V. Johnston, Annette M. N. Ferguson +4
Recent observations have revealed that high surface-brightness, metal-rich debris is present over large regions of the Andromeda (M31) stellar halo. We use a set of numerical model…
The accretion origin of the Milky Way's stellar halo
Eric F. Bell, Daniel B. Zucker, Vasily Belokurov +15
We have used data from the Sloan Digital Sky Survey (SDSS) Data Release 5 to explore the overall structure and substructure of the stellar halo of the Milky Way using about 4 milli…