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astro-ph2008★ 49 cited
Canny Algorithm, Cosmic Strings and the Cosmic Microwave Background
Rebecca J. Danos, Robert H. Brandenberger
We describe a new code to search for signatures of cosmic strings in cosmic microwave anisotropy maps. The code implements the Canny Algorithm, an edge detection algorithm designed…
astro-ph1998
Ω_0 from the Apparent Evolution of Gas Fractions in Rich Clusters of Galaxies
Rebecca Danos, Ue-Li Pen
We apply a unique gas fraction estimator to published X-ray cluster properties and we compare the derived gas fractions of observed clusters to simulated ones. The observations are…