2010Astronomy and AstrophysicsOpen access

Large-scale bias of dark matter halos

Patrick Valageas

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Abstract

Aims. We build a simple analytical model for the bias of dark matter halos that applies to objects defined by an arbitrary density threshold, 200 ≤ δ∗ ≤ 1600, and that provides accurate predictions from low-mass to high-mass halos.

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Aims. We build a simple analytical model for the bias of dark matter halos that applies to objects defined by an arbitrary density threshold, 200 ≤ δ∗ ≤ 1600, and that provides accurate predictions from low-mass to high-mass halos.

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Available abstract

Aims. We build a simple analytical model for the bias of dark matter halos that applies to objects defined by an arbitrary density threshold, 200 ≤ δ∗ ≤ 1600, and that provides accurate predictions from low-mass to high-mass halos.

Key concepts: Halo, Halo effect, Dark matter, Physics, Redshift, Astrophysics, Scale (ratio), Simple (philosophy)

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