The cosmological information of shear peaks: beyond the abundance

Monthly Notices of the Royal Astronomical Society(2013)

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摘要
We study the cosmological information of weak lensing (WL) peaks, focusing on two other statistics besides their abundance: the stacked tangential-shear profiles and the peak–peak correlation function. We use a large ensemble of simulated WL maps with survey specifications relevant to future missions like Euclid and LSST, to measure and examine the three peak probes. We find that the auto-correlat...
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关键词
gravitational lensing: weak,galaxies: clusters: general,cosmological parameters,cosmology: theory,large-scale structure of Universe
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