Studying the LSS through weak gravitational lensing maps

Details Studying the LSS through weak gravitational lensing maps Studying the LSS through weak gravitational lensing maps

2001-12-10

arxiv.org/abs/astro-ph/0112233v1

ASP Conf.Ser. 283 (2002) 90

Astronomy and Astrophysics

Astrophysics

4 pages, 3 figures. To appear in "A New Era in Cosmology" (ASP Conference Proceedings), eds T. Shanks and N. Metcalfe

Scientific paper

Weak gravitational lensing is a promising tool for the study of the mass distribution in the Universe. Here we report some partial results that show how lensing maps can be used to differentiate between cosmological models. We pay special attention to the role of noise and smoothing. As an application, we use mock convergence fields constructed from N-body simulations of the large-scale structure for three historically important cosmological models. Various map analyses are used, including Minkowski functionals, and their ability to differentiate the models is calculated and discussed.

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