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Bulk flow and shear in the local Universe: 2MTF and COSMICFLOWS-3
Fei Qin, Cullan Howlett, Lister Staveley-Smith +1
The low-order kinematic moments of galaxies, namely bulk flow and shear, enables us to test whether theoretical models can accurately describe the evolution of the mass density fie…
Cosmological Constraints from Fourier Phase Statistics
Kamran Ali, Danail Obreschkow, Cullan Howlett +4
Most statistical inference from cosmic large-scale structure relies on two-point statistics, i.e.\ on the galaxy-galaxy correlation function (2PCF) or the power spectrum. These sta…
A Short Research Note on Calculating Exact Distribution Functions and Random Sampling for the 3D NFW Profile
A. S. G. Robotham, Cullan Howlett
In this short note we publish the analytic quantile function for the Navarro, Frenk & White (NFW) profile. All known published and coded methods for sampling from the 3D NFW PDF us…
Bulk flow in the combined 2MTF and 6dFGSv surveys
Fei Qin, Cullan Howlett, Lister Staveley-Smith +1
We create a combined sample of 10,904 late and early-type galaxies from the 2MTF and 6dFGSv surveys in order to accurately measure bulk flow in the local Universe. Galaxies and gro…