Topology of non-linear structure in the 2dF Galaxy Redshift Survey
We study the evolution of non-linear structure as a function of scale in samples from the 2dF Galaxy Redshift Survey, constituting over 221 000 galaxies at a median redshift of z = 0.11. The two flux-limited galaxy samples, located near the Southern Galactic Pole and the Galactic equator, are smoothed with Gaussian filters of width ranging from 5 to 8 h-1 Mpc to produce a continuous galaxy density field. The topological genus statistic is used to measure the relative abundance of overdense...[Show more]
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|Source:||Monthly Notices of the Royal Astronomical Society|
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