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The WiggleZ Dark Energy Survey: improved distance measurements to z = 1 with reconstruction of the baryonic acoustic feature

Kazin, Eyal; Koda, Jun; Blake, Chris; Padmanabhan, Nikhil; Brough, Sarah; Colless, Matthew; Contreras, Carlos; Couch, Warrick; Sharp, Robert; Croom, Scott M; Croton, Darren; Davis, Tamara

Description

We present significant improvements in cosmic distance measurements from the WiggleZ Dark Energy Survey, achieved by applying the reconstruction of the baryonic acoustic feature technique. We show using both data and simulations that the reconstruction technique can often be effective despite patchiness of the survey, significant edge effects and shot-noise. We investigate three redshift bins in the redshift range 0.2 < z < 1, and in all three find improvement after reconstruction in the...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
URI: http://hdl.handle.net/1885/73826
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu778

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