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The 2dF Galaxy Redshift Survey: spherical harmonics analysis of fluctuations in the final catalogue

Percival, Will J; Burkey, Daniel; Heavens, Alan; Taylor, Andy; Cole, Shaun; Peacock, John A; Baugh, Carlton M; Bland-Hawthorn, Joss; Bridges, Terry C; Cannon, Russell; Colless, Matthew; Collins, Chris; Couch, Warrick; Dalton, Gavin; De Propris, Roberto; Driver, Simon; Efstathiou, George; Ellis, Richard S; Frenk, Carlos S; Glazebrook, Karl; Jackson, Carole A; Lahav, Ofer; Lewis, Ian; Lumsden, Stuart; Maddox, Steve J; Norberg, Peder; Peterson, Bruce; Sutherland, William J; Taylor, Keith

Description

We present the result of a decomposition of the 2dF Galaxy Redshift Survey (2dFGRS) galaxy overdensity field into an orthonormal basis of spherical harmonics and spherical Bessel functions. Galaxies are expected to directly follow the bulk motion of the density field on large scales, so the absolute amplitude of the observed large-scale redshift-space distortions caused by this motion is expected to be independent of galaxy properties. By splitting the overdensity field into radial and angular...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/87402
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2004.08146.x

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