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Homogeneity and isotropy in the 2MASS Photometric Redshift catalogue
David Alonso, Ana Isabel Salvador, Francisco Javier Sánchez +3
Using the 2MASS Photometric Redshift catalogue we perform a number of statistical tests aimed at detecting possible departures from statistical homogeneity and isotropy in the larg…
Cross-correlating 21cm intensity maps with Lyman Break Galaxies in the post-reionization era
Francisco Villaescusa-Navarro, Matteo Viel, David Alonso +3
We investigate the cross-correlation between the spatial distribution of Lyman Break Galaxies (LBGs) and the 21cm intensity mapping signal at . At these redshifts, gala…
Blind foreground subtraction for intensity mapping experiments
David Alonso, Philip Bull, Pedro G. Ferreira +1
We make use of a large set of fast simulations of an intensity mapping experiment with characteristics similar to those expected of the Square Kilometre Array (SKA) in order to stu…
Halo abundances within the cosmic web
David Alonso, Elizabeth Eardley, John A. Peacock
We investigate the dependence of the mass function of dark-matter haloes on their environment within the cosmic web of large-scale structure. A dependence of the halo mass function…
Fast simulations for intensity mapping experiments
David Alonso, Pedro G. Ferreira, Mario G. Santos
We present a code to generate mock observations of 21 cm intensity mapping experiments. The emphasis of the code is on reducing the computational cost of running a full-blown simul…