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Cluster Magnification & the Mass-Richness Relation in CFHTLenS
Jes Ford, Hendrik Hildebrandt, Ludovic Van Waerbeke +4
Gravitational lensing magnification is measured with a significance of 9.7 sigma on a large sample of galaxy clusters in the Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS…
On estimating cosmology-dependent covariance matrices
Christopher B. Morrison, Michael D. Schneider
We describe a statistical model to estimate the covariance matrix of matter tracer two-point correlation functions with cosmological simulations. Assuming a fixed number of cosmolo…
Clustering-based redshift estimation: method and application to data
Brice Ménard, Ryan Scranton, Samuel Schmidt +4
We present a data-driven method to infer the redshift distribution of an arbitrary dataset based on spatial cross-correlation with a reference population and we apply it to various…
Recovering Redshift Distributions with Cross-Correlations: Pushing The Boundaries
Samuel Schmidt, Brice Ménard, Ryan Scranton +2
Determining accurate redshift distributions for very large samples of objects has become increasingly important in cosmology. We investigate the impact of extending cross-correlati…