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The 2dF Galaxy Redshift Survey: Wiener reconstruction of the cosmic web

Erdogdu, Pirin; Lahav, Ofer; Zaroubi, Saleem; Efstathiou, George; Moody, Stephen; Peacock, John A; Colless, Matthew; Baldry, Ivan K; Baugh, Carlton M; Bland-Hawthorn, Joss; Bridges, Terry C; Cannon, Russell; Cole, Shaun; Collins, Chris; Couch, Warrick; Dalton, Gavin; De Propris, Roberto; Driver, Simon; Ellis, Richard S; Frenk, Carlos S; Glazebrook, Karl; Jackson, Carole; Lewis, Ian; Lumsden, Stuart; Maddox, Steve J; Madgwick, Darren; Norberg, Peder; Peterson, Bruce; Sutherland, William J; Taylor, Keith

Description

We reconstruct the underlying density field of the Two-degree Field Galaxy Redshift Survey (2dFGRS) for the redshift range 0.035 < z < 0.200 using the Wiener filtering method. The Wiener filter suppresses shot noise and accounts for selection and incompleteness effects. The method relies on prior knowledge of the 2dF power spectrum of fluctuations and the combination of matter density and bias parameters, however the results are only slightly affected by changes to these parameters. We present...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
URI: http://hdl.handle.net/1885/87347
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2004.07984.x

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