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Browsing by Author "Crampton, D."
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Imaging of SDSS z>6 quasar fields: gravitational lensing, companion galaxies and the host dark matter halos
Willott, C.J.; Percival, W.; Crampton, D.; Hutchings, J.B.; Jarvis, M.J.; Sawicki, M.; Simard, L.; McLure, R.J. (2005) -
A search for the first massive galaxy clusters
Willott, C.J.; Crampton, D.; Hutchings, J.B.; Sawicki, M.; Simard, L.; Jarvis, M.J.; McLure, R.J.; Percival, W. (Springer Nature, 2005)We have obtained deep, multi-band imaging observations around three of the most distant known quasars at redshifts z > 6. Standard accretion theory predicts that the supermassive black holes present in these quasars were ...