Breaking Halo Occupation Degeneracies with Marked Statistics

Astronomy and Astrophysics – Astrophysics

Scientific paper

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4 pages, 3 figures, minor revisions to match version accepted by MNRAS

Scientific paper

10.1111/j.1365-2966.2009.14732.x

We show that a suitably defined marked correlation function can be used to
break degeneracies in halo-occupation distribution modeling. The statistic can
be computed on both 3D and 2D data sets, and should be applicable to all
upcoming galaxy surveys. A proof of principle, using mock catalogs created from
N-body simulations, is given.

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