The distribution of dark matter and gas spanning six megaparsecs around the post-merger galaxy cluster MS0451-03

Sut-Ieng Tam, Mathilde Jauzac, Richard Massey +11

Using the largest mosaic of Hubble Space Telescope images around a galaxy cluster, we map the distribution of dark matter throughout a $\sim$$6\times 6$ Mpc${}^2$ area centred on the…