The Central Mass Distribution in Dwarf and Low Surface Brightness Galaxies

Details The Central Mass Distribution in Dwarf and Low Surface Brightness Galaxies The Central Mass Distribution in Dwarf and Low Surface Brightness Galaxies

2002-10-07

arxiv.org/abs/astro-ph/0210152v1

Astrophys.J.583:732-751,2003

Astronomy and Astrophysics

Astrophysics

19 pages, accepted for publication in ApJ

Scientific paper

10.1086/345426

We present Halpha rotation curves for a sample of 15 dwarf and LSB galaxies. From these, we derive limits on the slopes of the central mass distributions. Assuming the density distributions of dark matter halos follow a power-law at small radii, rho(r)~r^(-alpha), we find inner slopes in the range 0

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