Zobrazeno 1 - 10
of 150
pro vyhledávání: '"Colberg, J."'
Autor:
Colberg, J. M.
Publikováno v:
Mon.Not.Roy.Astron.Soc.375:337-347,2007
The Large Scale Structure (LSS) found in galaxy redshift surveys and in computer simulations of cosmic structure formation shows a very complex network of galaxy clusters, filaments, and sheets around large voids. Here, we introduce a new algorithm,
Externí odkaz:
http://arxiv.org/abs/astro-ph/0611641
Publikováno v:
Mon.Not.Roy.Astron.Soc.370:1422-1428,2006
Alignments of galaxy clusters (the Binggeli effect), as well as of galaxies themselves have long been studied both observationally and theoretically. Here we test the influence of large-scales structures and tidal fields on the shapes and alignments
Externí odkaz:
http://arxiv.org/abs/astro-ph/0605296
Autor:
Evrard, A. E., MacFarland, T. J., Couchman, H. M. P., Colberg, J. M., Yoshida, N., White, S. D. M., Jenkins, A. R., Frenk, C. S., Pearce, F. R., Peacock, J. A., Thomas, P. A.
Publikováno v:
Astrophys.J. 573 (2002) 7-36
We use giga-particle N-body simulations to study galaxy cluster populations in Hubble Volumes of LCDM (Omega_m=0.3, Omega_Lambda=0.7) and tCDM (Omega_m=1) world models. Mapping past light-cones of locations in the computational space, we create mock
Externí odkaz:
http://arxiv.org/abs/astro-ph/0110246
Autor:
Yoshida, N., Colberg, J., White, S. D. M., Evrard, A. E., MacFarland, T. J., Couchman, H. M. P., Jenkins, A., Frenk, C. S., Pearce, F. R., Efstathiou, G., Peacock, J. A., Thomas, P. A.
Publikováno v:
Mon.Not.Roy.Astron.Soc.325:803,2001
We create mock pencil-beam redshift surveys from very large cosmological $N$-body simulations of two Cold Dark Matter cosmogonies, an Einstein-de Sitter model ($\tau$CDM) and a flat model with $\Omega_0 =0.3$ and a cosmological constant ($\Lambda$CDM
Externí odkaz:
http://arxiv.org/abs/astro-ph/0011212
Autor:
Frenk, C. S., Colberg, J. M., Couchman, H. M. P., Efstathiou, G., Evrard, A. E., Jenkins, A., MacFarland, T. J., Moore, B., Peacock, J. A., Pearce, F. R., Thomas, P. A., White, S. D. M., Yoshida, N.
We are making available on the WWW a selection of the archived data from N-body simulations carried out by the Virgo consortium and related groups. This currently includes: (i) time-slice, lightcone and cluster data from the two $10^9$-particle Hubbl
Externí odkaz:
http://arxiv.org/abs/astro-ph/0007362
Autor:
Jenkins, A., Frenk, C. S., White, S. D. M., Colberg, J. M., Cole, S., Evrard, A. E., Couchman, H. M. P., Yoshida, N.
Publikováno v:
Mon.Not.Roy.Astron.Soc.321:372,2001
We combine data from a number of N-body simulations to predict the abundance of dark halos in Cold Dark Matter universes over more than 4 orders of magnitude in mass. A comparison of different simulations suggests that the dominant uncertainty in our
Externí odkaz:
http://arxiv.org/abs/astro-ph/0005260
Autor:
Colberg, J. M., White, S. D. M., Yoshida, N., MacFarland, T. J., Jenkins, A., Frenk, C. S., Pearce, F. R., Evrard, A. E., Couchman, H. M. P., Efstathiou, G., Peacock, J. A., Thomas, P. A.
Publikováno v:
Mon.Not.Roy.Astron.Soc.319:209,2000
We use very large cosmological N--body simulations to obtain accurate predictions for the two-point correlations and power spectra of mass-limited samples of galaxy clusters. We consider two currently popular cold dark matter (CDM) cosmogonies, a cri
Externí odkaz:
http://arxiv.org/abs/astro-ph/0005259
Autor:
Pearce, F. R., Frenk, C. S., Jenkins, A., Colberg, J. M., Thomas, P. A., Couchman, H. M. P., White, S. D. M., Efstathiou, G., Peacock, J. A., Nelson, A. H.
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 numbers to reliably produce both galaxy correlation and luminosity function
Externí odkaz:
http://arxiv.org/abs/astro-ph/9906032
Autor:
Jenkins, Adrian, Frenk, C. S., Pearce, F. R., Thomas, P. A., Colberg, J. M., White, S. D. M., Couchman, H. M. P., Peacock, J. A., Efstathiou, G., Nelson, A. H.
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 radiatively. A fraction of the gas cools into cold dense objects which we ident
Externí odkaz:
http://arxiv.org/abs/astro-ph/9906039
Autor:
Pearce, F. R., Jenkins, A., Frenk, C. S., Colberg, J. M., White, S. D. M., Thomas, P. A., Couchman, H. M. P., Peacock, J. A., Efstathiou, G.
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 formation of galaxies by gas cooling within dark halos of mass a few times
Externí odkaz:
http://arxiv.org/abs/astro-ph/9905160