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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


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
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stv2146
Access Rights: Open Access


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