The dark clump near Abell 1942: dark matter halo or statistical fluke?
The dark clump near Abell 1942: dark matter halo or statistical fluke?
Weak lensing surveys provide the possibility of identifying dark matter halos based on their total matter content rather than just the luminous matter content. On the basis of two sets of observations carried out with the CFHT, Erben et al. (2000) presented the first candidate dark clump, i.e. a dark …