Mass, light and colour of the cosmic web in the supercluster SCL2243-0935 (z = 0.447) M. Schirmer, H. Hildebrandt, K. Kuijken and T. Erben A&A, 532 (2011) A57 Published online: 22 July 2011 DOI: 10.1051/0004-6361/201016348