Bias in Velocity Field Recoveries

Details Bias in Velocity Field Recoveries Bias in Velocity Field Recoveries

1993-10-04

arxiv.org/abs/astro-ph/9310008v1

Astronomy and Astrophysics

Astrophysics

10 pages including 5 figures, uuencoded compressed PostScript, for Cosmic Velocity Fields, IAP Paris July 1993. UG-COS-AMN-001

Scientific paper

We investigate the effect of using different distance estimators on the
recovery of the peculiar velocity field of galaxies using Potent. An
inappropriate choice of distance estimator will give rise to spurious flows. We
discuss methods of minimising these biases and the levels of accuracy required
of distance estimators to retrieve velocity fields to a given standard.

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