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Clustering of Galaxies in a Hierarchical Universe: III. Mock Redshift Surveys
Antonaldo Diaferio, Guinevere Kauffmann, Joerg M. Colberg +1
This is the third paper in a series which combines N-body simulations and semi-analytic modelling to provide a fully spatially resolved simulation of the galaxy formation and clust…
Sinking Satellites and the Heating of Galaxy Discs
H. Velazquez, Simon D. M. White
We have carried out a set of self-consistent N-body simulations to study the interaction between disc galaxies and merging satellites with the aim of determining the disc kinematic…
Clustering of Galaxies in a Hierarchical Universe: II. Evolution to High Redshift
Guinevere Kauffmann, Joerg M. Colberg, Antonaldo Diaferio +1
In hierarchical cosmologies the evolution of galaxy clustering depends both on cosmological quantities such as Omega and Lambda, which determine how dark matter halos form and evol…
The Structure and Clustering of Lyman Break Galaxies
H. J. Mo, Shude Mao, Simon D. M. White
The number density and clustering properties of Lyman-break galaxies (LBGs) are consistent with them being the central galaxies of the most massive dark halos present at z~3. This…
Tidal tails in CDM cosmologies
Volker Springel, Simon D. M. White
We study the formation of tidal tails in pairs of merging disk galaxies with structural properties motivated by current theories of cold dark matter (CDM) cosmologies. In a recent…
A deep ROSAT PSPC observation towards the CMB decrement close to PC1643+4631 A & B: no cluster X-ray emission
Ruediger Kneissl, Rashid A. Sunyaev, Simon D. M. White
We report on a 16 ks observation with the ROSAT PSPC centred on the CMB decrement which Jones et al. (1997) report in the direction of the quasar pair PC1643+4631. We do not detect…