Astronomy
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Item Two Dimensional Velocity Fields of Low Surface Brightness Galaxies(EDP Sciences, 2005) Kuzio de Naray, R.; McGaugh, S. S.; de Blok, W. J. G.; Bosma, A.We present high resolution two dimensional velocity fields from integral field spectroscopy along with derived rotation curves for nine low surface brightness galaxies. This is a positive step forward in terms of both data quality and number of objects studied. We fit NFW and pseudo-isothermal halo models to the observations. We find that the pseudo-isothermal halo better represents the data in most cases than the NFW halo, as the resulting concentrations are lower than would be expected for CDM.Item The Tully-Fisher Relation for Low Surface Brightness Galaxies - Implications for Galaxy Evolution(Blackwell, 1995) Zwaan, M. A.; van der Hulst, J. M.; de Blok, W. J. G.; McGaugh, S. S.