publication . Article . Preprint . 2014

remapping simulated halo catalogues in redshift space

Mead, Alexander; Peacock, John;
Open Access
  • Published: 28 Oct 2014 Journal: Monthly Notices of the Royal Astronomical Society, volume 445, pages 3,453-3,465 (issn: 0035-8711, eissn: 1365-2966, Copyright policy)
  • Publisher: Oxford University Press (OUP)
Abstract
We discuss the extension to redshift space of a rescaling algorithm, designed to alter the effective cosmology of a pre-existing simulated particle distribution or catalogue of dark matter haloes. The rescaling approach was initially developed by Angulo & White and was adapted and applied to halo catalogues in real space in our previous work. This algorithm requires no information other than the initial and target cosmological parameters, and it contains no tuned parameters. It is shown here that the rescaling method also works well in redshift space, and that the rescaled simulations can reproduce the growth rate of cosmological density fluctuations appropriate...
Subjects
arXiv: Astrophysics::Cosmology and Extragalactic Astrophysics
free text keywords: Astrophysics, Physics, Spectral density, Galaxy formation and evolution, Astronomy, Baryon, Halo, Redshift, Cosmology, Lambda, Dark matter, Astrophysics - Cosmology and Nongalactic Astrophysics
Funded by
EC| FORCE
Project
FORCE
Fine Observations of the Rate of Cosmic Expansion: Combining the powers of Weak Gravitational Lensing and Baryon Acoustic Oscillations as Probes of Dark Energy
  • Funder: European Commission (EC)
  • Project Code: 240185
  • Funding stream: FP7 | SP2 | ERC
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publication . Article . Preprint . 2014

remapping simulated halo catalogues in redshift space

Mead, Alexander; Peacock, John;