Weak Lensing Study of Galaxy Biasing | Zendy

Henk Hoekstra | Zendy; Ludovic Van Waerbeke | Zendy; Michael D. Gladders | Zendy; Y. Mellier | Zendy; H. K. C. Yee | Zendy

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Weak Lensing Study of Galaxy Biasing

Author(s) -

Henk Hoekstra,

Ludovic Van Waerbeke,

Michael D. Gladders,

Y. Mellier,

H. K. C. Yee

Publication year - 2002

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/342228

Subject(s) - physics , cosmology , galaxy , astrophysics , redshift , biasing , scale (ratio) , galaxy cluster , statistics , mathematics , voltage , quantum mechanics

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

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