Matches in SemOpenAlex for { <https://semopenalex.org/work/W2511441103> ?p ?o ?g. }
- W2511441103 endingPage "2674" @default.
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- W2511441103 abstract "We construct a large, redshift-complete sample of distant galaxy clusters by correlating Sloan Digital Sky Survey Data Release 12 redshifts with clusters identified with the red-sequence Matched-filter Probabilistic Percolation (redMaPPer) algorithm. Our spectroscopic completeness is >97 per cent for ≃7000 clusters within the redMaPPer selection limit, z ≤ 0.325, so that our cluster correlation functions are much more precise than earlier work and not suppressed by uncertain photometric redshifts. We derive an accurate power-law mass–richness relation from the observed abundance with respect to the mass function from Millennium XXL (MXXL) simulations, adjusted to the Planck-weighted cosmology. The number density of clusters is found to decline by 20 per cent over the range 0.1 < z < 0.3, in good agreement with the evolution predicted by MXXL. Our projected 3D correlation function scales with richness, λ, rising from r0 = 14 h−1 Mpc at λ ≃ 25 to r0 = 22 h−1 Mpc at λ ≃ 60, with a gradient that matches MXXL when applying our mass–richness relation, whereas the observed amplitude of the correlation function at 〈z〉 = 0.24 exceeds the MXXL prediction by 20 per cent at the ≃2.5σ level. This tension cannot be blamed on spurious, randomly located clusters as this would reduce the correlation amplitude. Full consistency between the correlation function and the abundances is achievable for the pre-Planck values of σ8 = 0.9, Ωm = 0.25 and h = 0.73, matching the improved distance ladder estimate of the Hubble constant." @default.
- W2511441103 created "2016-09-16" @default.
- W2511441103 creator A5025113934 @default.
- W2511441103 creator A5032602997 @default.
- W2511441103 creator A5045157419 @default.
- W2511441103 creator A5053635230 @default.
- W2511441103 creator A5061723693 @default.
- W2511441103 creator A5083099738 @default.
- W2511441103 creator A5087537882 @default.
- W2511441103 date "2016-12-15" @default.
- W2511441103 modified "2023-10-06" @default.
- W2511441103 title "Precise clustering and density evolution of redMaPPer galaxy clusters versus MXXL simulation" @default.
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