Abstract

We present a joint cosmological analysis of weak gravitational lensing observations from the Kilo-Degree Survey (KiDS-1000), with redshift-space galaxy clustering observations from the Baryon Oscillation Spectroscopic Survey (BOSS) and galaxy-galaxy lensing observations from the overlap between KiDS-1000, BOSS, and the spectroscopic 2-degree Field Lensing Survey (2dFLenS). This combination of large-scale structure probes breaks the degeneracies between cosmological parameters for individual observables, resulting in a constraint on the structure growth parameter S 8 = σ8 √ Ωm/0.3 = 0.766+0.020 −0.014, which has the same overall precision as that reported by the full-sky cosmic microwave background observations…

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Topics & keywords

Topics

Keywords

Physics
Planck
Astrophysics
Cosmic microwave background
Weak gravitational lensing
Galaxy
Cosmology
Gravitational lens

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