Weak lensing study of galaxy biasing

Details Weak lensing study of galaxy biasing Weak lensing study of galaxy biasing

2002-06-07

arxiv.org/abs/astro-ph/0206103v1

Astrophys.J. 577 (2002) 604-614

Astronomy and Astrophysics

Astrophysics

accepted for publication in ApJ 11 pages, 6 figures

Scientific paper

10.1086/342228

We combine weak lensing measurements from the Red-Sequence Cluster Survey and the VIRMOS-DESCART survey, and present the first direct measurements of the bias parameter b and the galaxy-mass cross-correlation coefficient r on scales ranging from 0.2 to 9.3 h_{50}^{-1} Mpc at a lens redshift z~0.35. We find strong evidence that both b and r change with scale for our sample of lens galaxies (19.5

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