The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: anisotropic galaxy clustering in Fourier space

DOI: 
10.1093/mnras/stw3298
Publication date: 
01/04/2017
Main author: 
Beutler, Florian
IAA authors: 
Prada, Francisco
Authors: 
Beutler, Florian;Seo, Hee-Jong;Saito, Shun;Chuang, Chia-Hsun;Cuesta, Antonio J.;Eisenstein, Daniel J.;Gil-Marín, Héctor;Grieb, Jan Niklas;Hand, Nick;Kitaura, Francisco-Shu;Modi, Chirag;Nichol, Robert C.;Olmstead, Matthew D.;Percival, Will J.;Prada, Francisco;Sánchez, Ariel G.;Rodriguez-Torres, Sergio;Ross, Ashley J.;Ross, Nicholas P.;Schneider, Donald P.;Tinker, Jeremy;Tojeiro, Rita;Vargas-Magaña, Mariana
Journal: 
Monthly Notices of the Royal Astronomical Society
Refereed: 
Yes
Publication type: 
Article
Volume: 
466
Pages: 
2242-2260
Abstract: 

We investigate the anisotropic clustering of the Baryon Oscillation Spectroscopic Survey (BOSS) Data Release 12 sample, which consists of 1198 006 galaxies in the redshift range 0.2 〈 z 〈 0.75 and a sky coverage of 10 252 deg<SUP>2</SUP>. We analyse this data set in Fourier space, using the power-spectrum multipoles to measure redshift-space distortions simultaneously with the Alcock-Paczynski effect and the baryon acoustic oscillation scale. We include the power-spectrum monopole, quadrupole and hexadecapole in our analysis and compare our measurements with a perturbation-theory-based model, while properly accounting for the survey window function. To evaluate the reliability of our analysis pipeline, we participate in a mock challenge, which results in systematic uncertainties significantly smaller than the statistical uncertainties. While the high-redshift constraint on fσ<SUB>8</SUB> at z<SUB>eff</SUB> = 0.61 indicates a small (̃1.4σ) deviation from the prediction of the Planck ΛCDM (Λ cold dark matter) model, the low-redshift constraint is in good agreement with Planck ΛCDM. This paper is part of a set that analyses the final galaxy clustering data set from BOSS. The measurements and likelihoods presented here are combined with others in Alam et al. to produce the final cosmological constraints from BOSS.

Database: 
ADS
SCOPUS
URL: 
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85037085176&doi=10.1093%2fmnras%2fstw3298&partnerID=40&md5=9162b1de818cc3accf8c2ef2c184a020
ADS Bibcode: 
2017MNRAS.466.2242B
Keywords: 
gravitation;surveys;cosmological parameters;cosmology: observations;dark energy;large-scale structure of Universe;Astrophysics - Cosmology and Nongalactic Astrophysics