The flat sky approximation to galaxy number counts

DOI10.1088/1475-7516/2021/02/027zbMath1484.85018arXiv2006.13525OpenAlexW3132300027MaRDI QIDQ5027439

William L. Matthewson, Ruth Durrer

Publication date: 4 February 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2006.13525

zbMATH Keywords

weak gravitational lensinggalaxy clusteringgalaxy surveys

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Diffraction, scattering (78A45) Electromagnetic fields in general relativity and gravitational theory (83C50) Galactic and stellar structure (85A15) Orbital mechanics (70M20) Approximation procedures, weak fields in general relativity and gravitational theory (83C25)

Related Items (2)

Small scale effects in the observable power spectrum at large angular scales ⋮ The flat-sky approximation to galaxy number counts — redshift space correlation function

Uses Software

• COFFE
• CLASSgal

Cites Work

• ``CMB-slow or how to determine cosmological parameters by hand?
• Isolating relativistic effects in large-scale structure
• General relativistic corrections in density-shear correlations
• Beyond the traditional line-of-sight approach of cosmological angular statistics
• Beyond Limber: efficient computation of angular power spectra for galaxy clustering and weak lensing

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