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The Effect of Gravitational Recoil on Black Holes Forming in a Hierarchical Universe
N. I. Libeskind, S. Cole, C. S. Frenk +1
Galactic bulges are known to harbour central black holes whose mass is tightly correlated with the stellar mass and velocity dispersion of the bulge. In a hierarchical universe, me…
The broken hierarchy of galaxy formation
R. G. Bower, A. J. Benson, R. Malbon +5
Recent observations of the distant Universe suggest that much of the stellar mass of bright galaxies was already in place at . This presents a challenge for models of galaxy f…
Galaxy Groups in the 2dFGRS: the number density of groups
V. R. Eke, C. M. Baugh, S. Cole +2
The abundance of galaxy clusters as a function of mass is determined using the 2dFGRS Percolation-Inferred Galaxy Group (2PIGG) catalogue. This is used to estimate the amplitude of…
A marked correlation function analysis of halo formation times in the Millennium Simulation
Geraint Harker, Shaun Cole, John Helly +2
We study the environmental dependence of the formation epoch of dark matter haloes in the Millennium Simulation: a ten billion particle N-body simulation of standard LambdaCDM cosm…
The 2dF Galaxy Redshift Survey: correlation with the ROSAT-ESO Flux Limited X-ray (REFLEX) galaxy cluster survey
Matt Hilton, Chris Collins, Roberto De Propris +25
The ROSAT-ESO Flux Limited X-ray (REFLEX) galaxy cluster survey and the 2dF Galaxy Redshift Survey (2dFGRS) respectively comprise the largest, homogeneous X-ray selected cluster ca…
Cosmological parameters from CMB measurements and the final 2dFGRS power spectrum
Ariel G. Sanchez, C. M. Baugh, W. J. Percival +5
We derive constraints on cosmological parameters using the power spectrum of galaxy clustering measured from the final two-degree field galaxy redshift survey (2dFGRS) and a compil…