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- W3106346350 abstract "We present measurements of the clustering properties of bright (L > L*) z~4 Lyman break galaxies (LBGs) selected from the Oxford-Dartmouth Thirty Degree Survey (ODT). We describe techniques used to select and evaluate our candidates and calculate the angular correlation function, which we find best fitted by a power law, ω(θ) =Awθ−β with Aw= 15.4 (with θ in arcsec), using a constrained slope of β= 0.8. Using a redshift distribution consistent with photometric models, we deproject this correlation function and find a comoving Mpc in a Ωm= 0.3 flat λ cosmology for iAB≤ 24.5. This corresponds to a linear bias value of (assuming σ8= 0.9). These data show a significantly larger r0 and b than previous studies at z~4. We interpret this as evidence that the brightest LBGs have a larger bias than fainter ones, indicating a strong luminosity dependence for the measured bias of an LBG sample. Comparing this against recent results in the literature at fainter (subL*) limiting magnitudes, and with simple models describing the relationship between LBGs and dark matter haloes, we discuss the implications on the implied environments and nature of LBGs. It seems that the brightest LBGs (in contrast with the majority subL* population) have clustering properties, and host dark matter halo masses, which are consistent with them being progenitors of the most massive galaxies today." @default.
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- W3106346350 date "2005-07-01" @default.
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- W3106346350 title "The Oxford-Dartmouth Thirty Degree Survey - II. Clustering of bright Lyman break galaxies: strong luminosity-dependent bias at<i>z</i>= 4" @default.
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- W3106346350 doi "https://doi.org/10.1111/j.1365-2966.2005.09161.x" @default.
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