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An optimal filter for the detection of galaxy clusters through weak lensing

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We construct a linear filter optimised for detecting dark-matter halos in weak-lensing data. The filter assumes a mean radial profile of the halo shear pattern and modifies that shape by the noise power spectrum. Aiming at separating dark-matter halos from spurious peaks caused by large-scale struct...

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Main Authors: Maturi, Matteo (Author) , Meneghetti, Massimo (Author) , Bartelmann, Matthias (Author)
Format: Article (Journal) Chapter/Article
Language:English
Published: February 2, 2008
In: Arxiv

Online Access:Verlag, kostenfrei, Volltext: http://arxiv.org/abs/astro-ph/0412604
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Author Notes:Matteo Maturi, Massimo Meneghetti, Matthias Bartelmann, Klaus Dolag, Lauro Moscardini
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An optimal filter for the detection of galaxy clusters through weak lensing by Maturi, Matteo (Author) , Meneghetti, Massimo (Author) , Bartelmann, Matthias (Author) ,


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