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It has been found that there is a strong correlation between the circularvelocity V_c and the central stellar velocity dispersion \sigma_0 of galaxies.In this respect, low surface brightness galaxies (LSB) follow a differentrelation when compared to Elliptical and high surface brightness (HSB)galaxies. The intrinsic scatter of the V_c-\sigma_0 is partially due to thedifferent concentration of the light distribution. In this work we measure theC_28 concentration parameter for a sample of 17 LSB finding that the C_28parameter does not account for the different behavior in the $V_c - {\sigma}_0$for this class of objects.

The V_c-sigma_0 relation in Low Surface Brightness galaxies: including the light concentration