Inner Halo Shapes of Dwarf Galaxies: Resolving the Cusp/Core Problem

Details Inner Halo Shapes of Dwarf Galaxies: Resolving the Cusp/Core Problem Inner Halo Shapes of Dwarf Galaxies: Resolving the Cusp/Core Problem

2003-10-20

arxiv.org/abs/astro-ph/0310528v1

Astronomy and Astrophysics

Astrophysics

2 pages, 1 figure. To appear in proceedings of IAU Symp. 220: Dark Matter in Galaxies, eds. S. Ryder, D.J. Pisano, M. Walker,

Scientific paper

We derive inner dark matter halo density profile slopes for a sample of 200
dwarf galaxies by inverting rotation curves obtained from high-quality,
long-slit optical spectra. Using simulations to assess the impact of long-slit
observing and data processing errors on our measurements, we conclude that our
observations are consistent with the cuspy halos predicted by the CDM paradigm.

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