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A Comparison of Semi-Analytic and Smoothed Particle Hydrodynamics Galaxy Formation
A. J. Benson, F. R. Pearce, C. S. Frenk +2
We compare the statistical properties of galaxies found in two different models of hierarchical galaxy formation: the semi-analytic model of Cole et al. and the smoothed particle h…
The Evolution of Galaxy Clustering in Hierarchical Models
Shaun Cole, Andrew Benson, Carlton Baugh +2
The main ingredients of recent semi-analytic models of galaxy formation are summarised. We present predictions for the galaxy clustering properties of a well specified LCDM model w…
Reconstruction Analysis of the IRAS Point Source Catalog Redshift Survey
Vijay K. Narayanan, David H. Weinberg, E. Branchini +5
We present the results of reconstruction analysis of the galaxy distribution in a spherical region of radius 50 Mpc/h centered on the Local Group, as mapped by the IRAS Point Sourc…
The Dependence of Velocity and Clustering Statistics on Galaxy Properties
A. J. Benson, C. M. Baugh, S. Cole +2
We use a combination of N-body simulations of the hierarchical clustering of dark matter and semi-analytic modelling of the physics of galaxy formation to probe the relationship be…
The PSCz catalogue
Will Saunders, Seb Oliver, Oliver Keeble +8
We present the catalogue and redshift data for the PSCz survey of 15,000 IRAS galaxies over 84% of the sky. The uniformity, completeness and data quality are assessed, and guidelin…
Density and Velocity Fields from the PSCz Survey
Will Saunders, Enzo Branchini, Luis Teodoro +17
We present the results for the predicted density and peculiar velocity fields and the dipole from the PSCz survey of 15,000 IRAS galaxies over 84% of the sky. We find a significant…
Radio Sources in the 2dF Galaxy Redshift Survey. I. Radio Source Populations
Elaine M. Sadler, V. J. McIntyre, C. A. Jackson +1
We present the first results from a study of the radio continuum properties of galaxies in the 2dF Galaxy Redshift Survey, based on thirty 2dF fields covering a total area of about…
PSCz-1.2 Jy Comparison: A Spherical Harmonics Approach
Luis Teodoro, Enzo Branchini, Carlos Frenk +8
We perform a detailed comparison of the IRAS PSCz and 1.2-Jy spherical harmonic coefficients of the density and velocity fields in redshift space. The monopole terms predicted from…
Ab initio galaxy formation
C. M. Baugh, A. J. Benson, S. Cole +2
The formation and evolution of galaxies can be followed in the context of cosmological structure formation using the technique of semi-analytic modelling. We give a brief outline o…
Galaxy clustering determined from numerical cosmological simulations
Adrian Jenkins, C. S. Frenk, F. R. Pearce +7
We have simulated the growth of structure in two 100 Mpc boxes for LCDM and SCDM universes. These N-body/SPH simulations include a gaseous component which is able to cool radiative…
Cosmological galaxy formation
F. R. Pearce, C. S. Frenk, A. Jenkins +7
We discuss the first results from two successful simulations of galaxy formation within a cosmological volume. With over 2000 large objects forming in each we have sufficient numbe…
A Comparison of The PSCz and Stromlo-APM Redshift Surveys
M. D. Seaborne, W. Sutherland, H. Tadros +9
We present a direct comparison of the clustering properties of two redshift surveys covering a common volume of space: the recently completed IRAS Point Source Catalogue redshift s…
A simulation of galaxy formation and clustering
F. R. Pearce, A. Jenkins, C. S. Frenk +6
We discuss early results from the first large N-body/hydrodynamical simulation to resolve the formation of galaxies in a cold dark matter universe. The simulation follows the forma…
Cosmological parameters from cluster abundances, CMB and IRAS
S. L. Bridle, V. R. Eke, O. Lahav +5
We combine information on cosmological parameters from cluster abundances, CMB primordial anisotropies and the IRAS 1.2 Jy galaxy redshift survey. We take as free parameters the pr…
The 2dF Galaxy Redshift Survey: Spectral Types and Luminosity Functions
S. R. Folkes, S. Ronen, I. Price +22
We describe the 2dF Galaxy Redshift Survey (2dFGRS), and the current status of the observations. In this exploratory paper, we apply a Principal Component Analysis to a preliminary…
Modeling Dust on Galactic SED: Application to Semi-Analytical Galaxy Formation Models
L. Silva, G. L. Granato, A. Bressan +4
We present the basic features and preliminary results of the interface between our spectro-photometric model GRASIL (that calculates galactic SED from the UV to the sub-mm with a d…
The Nature of Galaxy Bias and Clustering
A. J. Benson, S. Cole, C. S. Frenk +2
We have used a combination of high resolution cosmological N-body simulations and semi-analytic modelling of galaxy formation to investigate the processes that determine the spatia…
Diffuse X-Ray Emission from Late-Type Galaxy Haloes
A. J. Benson, R. G. Bower, C. S. Frenk +1
Current theories of galaxy formation predict that spiral galaxies are embedded in a reservoir of hot gas. This gas is able to cool onto the galaxy replenishing cold gas that is con…
A Non Parametric Model for the Cosmic Velocity Field
E. Branchini, L. Teodoro, C. S. Frenk +10
We present a self consistent nonparametric model of the local cosmic velocity field based on the density distribution in the PSCz redshift survey of IRAS galaxies. The error analys…
The Power Spectrum of the PSC Redshift Survey
W. Sutherland, H. Tadros, G. Efstathiou +8
We measure the redshift-space power spectrum P(k) for the recently completed IRAS Point Source Catalogue (PSC) redshift survey, which contains 14500 galaxies over 84% of the sky wi…
Likelihood Analysis of the Local Group Acceleration
I. Schmoldt, E. Branchini, L. Teodoro +10
We compute the acceleration on the Local Group using 11206 IRAS galaxies from the recently completed all-sky PSCz redshift survey. Measuring the acceleration vector in redshift spa…