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    Two Dimensional Velocity Fields of Low Surface Brightness Galaxies

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    No. of downloads: 565

    Date
    2005
    Author
    Kuzio de Naray, R.
    McGaugh, S. S.
    de Blok, W. J. G.
    Bosma, A.
    Citation
    Two Dimensional Velocity Fields of Low Surface Brightness Galaxies. Kuzio de Naray, R., McGaugh, S.S., de Blok, W.J.G., & Bosma, A. 2005, Mass Profiles and Shapes of Cosmological Structures, eds. G. Mamon, F. Combes, C. Deffayet & B. Fort (EDP Sciences), 285-286
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    Abstract
    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.
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    http://hdl.handle.net/1903/8935
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