Other
Scientific paper
Nov 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ycatp001032701t&link_type=abstract
VizieR On-line Data Catalog: J/other/AN/327.365. Originally published in: 2006AN....327..365T
Other
Clusters: Galaxy, Galaxies: Photometry
Scientific paper
We create a new catalogue of groups and clusters, applying the friends-to-friends method to the 2dF GRS final release. We investigate various selection effects due to the use of a magnitude limited sample. For this purpose we follow the changes in group sizes and mean galaxy number densities within the groups when shifting nearby observed groups to larger distances. We study the distribution of sizes of dark matter haloes in N-body simulations and compare properties of these haloes and the 2dF groups.
(6 data files).
Einasto Jaan
Einasto Maret
Heinämäki Pekka
Jõeveer Milikel
Saar Enn
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