Modeling the Dark Matter Halo Properties of Cluster Galaxies

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

Using the Hα rotation curves and I band profiles of over 500 high surface brightness cluster galaxies, we have modeled the disk mass-to-light ratio, dark matter halo central density, and halo core radius. The distribution of the fitted parameters, and dependencies with cluster-centric distance, are presented and discussed. This work is supported by NSF REU site, grant AST 0097356.

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