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The 6dF Galaxy Survey: Bulk flows on 50-70 h-1 Mpc scales

Scrimgeour, Morag I.; Davis, Tamara; Blake, Chris; Staveley-Smith, Lister; Magoulas, Christine; Springbob, Christopher M; Beutler, Florian; Colless, Matthew; Johnson, Andrew; Heath Jones, D; Koda, Jun; Lucey, John; Ma, Yin-Zhe; Mould, Jeremy; Poole, Gregory B

Description

We measure the bulk flow of the local Universe using the 6dF Galaxy Survey peculiar velocity sample (6dFGSv), the largest and most homogeneous peculiar velocity sample to date. 6dFGSv is a Fundamental Plane sample of ∼104 peculiar velocities covering the whole Southern hemisphere for galactic latitude |b| > 10°, out to redshift z = 0.0537. We apply the ‘minimum variance’ bulk flow weighting method, which allows us to make a robust measurement of the bulk flow on scales of 50 and 70 h−1 Mpc. We...[Show more]

CollectionsANU Research Publications
Date published: 2016
Type: Journal article
URI: http://hdl.handle.net/1885/102876
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stv2146

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