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Topology of non-linear structure in the 2dF Galaxy Redshift Survey

James, J Berian; Colless, Matthew; Lewis, Geraint Francis; Peacock, John A


We study the evolution of non-linear structure as a function of scale in samples from the 2dF Galaxy Redshift Survey, constituting over 221 000 galaxies at a median redshift of z = 0.11. The two flux-limited galaxy samples, located near the Southern Galactic Pole and the Galactic equator, are smoothed with Gaussian filters of width ranging from 5 to 8 h-1 Mpc to produce a continuous galaxy density field. The topological genus statistic is used to measure the relative abundance of overdense...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2008.14358.x


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