Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-06-02
Mon.Not.Roy.Astron.Soc.387:121, 2008
Astronomy and Astrophysics
Astrophysics
10 pages, 8 figures
Scientific paper
10.1111/j.1365-2966.2008.12974.x
We have modelled the spatial distribution of luminous X-ray binaries (XRBs) in spiral galaxies that are like the Milky Way using an evolutionary population synthesis code. In agreement with previous theoretical expectations and observations, we find that both high- and low-mass XRBs show clear concentrations towards the galactic plane and bulge.We also compare XRB distributions under the galactic potential with a dark matter halo and the modified Newtonian dynamics potential, and we suggest that the difference may serve as potential evidence to discriminate between these two types of model.
Li Xiang-Dong
Liu Xiao-Wei
Zuo Zhao-Yu
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