Horizon MareNostrum cosmological run (Gay+, 2010)

Details Horizon MareNostrum cosmological run (Gay+, 2010) Horizon MareNostrum cosmological run (Gay+, 2010)

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ycat..74041801g&link_type=abstract

VizieR On-line Data Catalog: J/MNRAS/404/1801. Originally published in: 2010MNRAS.404.1801G

Mathematics

Logic

Models, Galaxy Catalogs, Galaxies: Photometry

Scientific paper

The correlation between the large-scale distribution of galaxies and their spectroscopic properties at z=1.5 is investigated using the Horizon MareNostrum cosmological run.
We have extracted a large sample of 105 galaxies from this large hydrodynamical simulation featuring standard galaxy formation physics. Spectral synthesis is applied to these single stellar populations to generate spectra and colours for all galaxies. We use the skeleton as a tracer of the cosmic web and study how our galaxy catalogue depends on the distance to the skeleton. We show that galaxies closer to the skeleton tend to be redder but that the effect is mostly due to the proximity of large haloes at the nodes of the skeleton, rather than the filaments themselves.
The virtual catalogues (spectroscopical properties of the MareNostrum galaxies at various redshifts) are available online at http://www.iap.fr/users/pichon/MareNostrum/catalogues.
(7 data files).

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