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The 6dF Galaxy Survey: peculiar velocity field and cosmography

Springob, C. M; Magoulas, C; Colless, Matthew; Mould, J; Erdo du, P; Jones, D. H; Lucey, J. R; Campbell, L; Fluke, C. J


We derive peculiar velocities for the 6dF Galaxy Survey (6dFGS) and describe the velocity field of the nearby (z < 0.055) Southern hemisphere. The survey comprises 8885 galaxies for which we have previously reported Fundamental Plane data. We obtain peculiar velocity probability distributions for the redshift-space positions of each of these galaxies using a Bayesian approach. Accounting for selection bias, we find that the logarithmic distance uncertainty is 0.11 dex, corresponding to 26 per...[Show more]

CollectionsANU Research Publications
Date published: 2014-10-21
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1093/mnras/stu1743


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