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Did VV 29 collide with a dark Dark-Matter halo?
Westerbork Radio Synthesis Telescope observation of the galaxy VV 29 = Arp 188 = UGC 10214 shows that there are at least three distinct dynamical components whose kinematics can be traced in 21 cmExpand
A comparison of the strong lensing properties of the Sérsic and the Navarro, Frenk and White profiles
We investigate the strong lensing properties of the Sersic profile as an alternative to the Navarro, Frenk and White (NFW) profile, focusing on applications to lens modelling of clusters. Given anExpand
Probing the mass distribution in groups of galaxies using gravitational lensing
In this paper, we present a numerical study of gravitational lensing by groups of galaxies. Since groups are abundant and therefore have a large covering fraction on the sky, lensing by groups isExpand