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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…
A multi-wavelength model of galaxy formation
C. G. Lacey, C. M. Baugh, C. S. Frenk +4
We present new results from a multi-wavelength model of galaxy formation, which combines a semi-analytical treatment of the formation of galaxies within the CDM framework with a so…
The effects of ellipticity and substructure on estimates of cluster density profiles based on lensing and kinematics
M. Meneghetti, M. Bartelmann, A. Jenkins +1
We address the question of how well the density profile of galaxy clusters can be determined by combining strong lensing and velocity dispersion data. We use cosmological dark matt…
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…
The many lives of active galactic nuclei: cooling flows, black holes and the luminosities and colours of galaxies
Darren J. Croton, Volker Springel, Simon D. M. White +7
We simulate the growth of galaxies and their central supermassive black holes by implementing a suite of semi-analytic models on the output of the Millennium Run, a very large simu…
The SCUBA HAlf Degree Extragalactic Survey (SHADES) -- I. Survey motivation, design and data processing
A. M. J. Mortier, S. Serjeant, J. S. Dunlop +2
The SCUBA HAlf Degree Extragalactic Survey (SHADES) is a major blank-field extragalactic sub-mm survey underway at the James Clerk Maxwell telescope.SHADES aims to cover half a squ…
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…
Simulating the joint evolution of quasars, galaxies and their large-scale distribution
Volker Springel, Simon D. M. White, Adrian Jenkins +14
The cold dark matter model has become the leading theoretical paradigm for the formation of structure in the Universe. Together with the theory of cosmic inflation, this model make…
The metal enrichment of elliptical galaxies in hierarchical galaxy formation models
Masahiro Nagashima, Cedric G. Lacey, Takashi Okamoto +3
We investigate the metal enrichment of elliptical galaxies in the framework of hierarchical models of galaxy formation. The semi-analytical model we use in this Letter, which has b…
Constraints on the dark energy equation of state from the imprint of baryons on the power spectrum of clusters
R. Angulo, C. M. Baugh, C. S. Frenk +3
Acoustic oscillations in the baryon-photon fluid leave a signature in the matter power spectrum. The overall shape of the spectrum and the wavelength of the oscillations depend upo…
The First Generation of Star-Forming Haloes
Darren Reed, Richard Bower, Carlos S. Frenk +4
We model gas cooling in high-resolution N-body simulations in order to investigate the formation of the first generation of stars. We follow a region of a LCDM universe especially…
The Distribution of Satellite Galaxies: The Great Pancake
Noam I Libeskind, Carlos S Frenk, Shaun Cole +4
The 11 known satellite galaxies within 250 kpc of the Milky Way lie close to a great circle on the sky. We use high resolution N-body simulations of galactic dark matter halos to t…
The effects of feedback on the morphology of galaxy discs
Takashi Okamoto, Vince R. Eke, Carlos S. Frenk +1
We have performed hydrodynamic simulations of galaxy formation in a LCDM universe. We have followed galaxy formation in a dark matter halo, chosen to have a relatively quiet recent…
Early structure in LCDM
Liang Gao, Simon D. M. White, Adrian Jenkins +2
We use a novel technique to simulate the growth of the most massive progenitor of a protocluster region from redshift z~80, when its mass was about 10 Msun until the present day. O…
The 2dF Galaxy Redshift Survey: Power-spectrum analysis of the final dataset and cosmological implications
S. Cole, W. J. Percival, J. A. Peacock +28
We present a power spectrum analysis of the final 2dF Galaxy Redshift Survey, employing a direct Fourier method. The sample used comprises 221,414 galaxies with measured redshifts.…