TY - JOUR
T1 - The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measurement of the growth rate of structure from the anisotropic correlation function between redshift 0.8 and 2.2
AU - Zarrouk, Pauline
AU - Burtin, Etienne
AU - Gil-Marín, Héctor
AU - Ross, Ashley J.
AU - Tojeiro, Rita
AU - Pâris, Isabelle
AU - Dawson, Kyle S.
AU - Myers, Adam D.
AU - Percival, Will J.
AU - Chuang, Chia-Hsun
AU - Zhao, Gong-Bo
AU - Bautista, Julian
AU - Comparat, Johan
AU - González-Pérez, Violeta
AU - Habib, Salman
AU - Heitmann, Katrin
AU - Hou, Jiamin
AU - Laurent, Pierre
AU - Le Goff, Jean-Marc
AU - Prada, Francisco
AU - Rodríguez-Torres, Sergio A.
AU - Rossi, Graziano
AU - Ruggeri, Rossana
AU - Sánchez, Ariel G.
AU - Schneider, Donald P.
AU - Tinker, Jeremy L.
AU - Wang, Yuting
AU - Yèche, Christophe
AU - Baumgarten, Falk
AU - Brownstein, Joel R.
AU - de la Torre, Sylvain
AU - du Mas des Bourboux, Hélion
AU - Kneib, Jean-Paul
AU - Mariappan, Vivek
AU - Palanque-Delabrouille, Nathalie
AU - Peacock, John
AU - Petitjean, Patrick
AU - Seo, Hee-Jong
AU - Zhao, Cheng
PY - 2018/6/1
Y1 - 2018/6/1
N2 - We present the clustering measurements of quasars in configuration space based on the Data Release 14 (DR14) of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey (eBOSS). This data set includes 148 659 quasars spread over the redshift range 0.8 ≤ z ≤ 2.2 and spanning 2112.9 deg2. We use the Convolution Lagrangian Perturbation Theory approach with a Gaussian Streaming model for the redshift space distortions of the correlation function and demonstrate its applicability for dark matter haloes hosting eBOSS quasar tracers. At the effective redshift zeff = 1.52, we measure the linear growth rate of structure fσ8(zeff) = 0.426 ± 0.077, the expansion rate H(zeff) = 159 +12 −13 (rfids/rs)kms−1Mpc−1, and the angular diameter distance DA(zeff) = 1850 +90 −115 (rs/rfids)Mpc, where rs is the sound horizon at the end of the baryon drag epoch and rfids is its value in the fiducial cosmology. The quoted uncertainties include both systematic and statistical contributions. The results on the evolution of distances are consistent with the predictions of flat Λ-cold dark matter cosmology with Planck parameters, and the measurement of fσ8 extends the validity of General Relativity to higher redshifts (z > 1). This paper is released with companion papers using the same sample. The results on the cosmological parameters of the studies are found to be in very good agreement, providing clear evidence of the complementarity and of the robustness of the first full-shape clustering measurements with the eBOSS DR14 quasar sample.
AB - We present the clustering measurements of quasars in configuration space based on the Data Release 14 (DR14) of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey (eBOSS). This data set includes 148 659 quasars spread over the redshift range 0.8 ≤ z ≤ 2.2 and spanning 2112.9 deg2. We use the Convolution Lagrangian Perturbation Theory approach with a Gaussian Streaming model for the redshift space distortions of the correlation function and demonstrate its applicability for dark matter haloes hosting eBOSS quasar tracers. At the effective redshift zeff = 1.52, we measure the linear growth rate of structure fσ8(zeff) = 0.426 ± 0.077, the expansion rate H(zeff) = 159 +12 −13 (rfids/rs)kms−1Mpc−1, and the angular diameter distance DA(zeff) = 1850 +90 −115 (rs/rfids)Mpc, where rs is the sound horizon at the end of the baryon drag epoch and rfids is its value in the fiducial cosmology. The quoted uncertainties include both systematic and statistical contributions. The results on the evolution of distances are consistent with the predictions of flat Λ-cold dark matter cosmology with Planck parameters, and the measurement of fσ8 extends the validity of General Relativity to higher redshifts (z > 1). This paper is released with companion papers using the same sample. The results on the cosmological parameters of the studies are found to be in very good agreement, providing clear evidence of the complementarity and of the robustness of the first full-shape clustering measurements with the eBOSS DR14 quasar sample.
KW - cosmological parameters
KW - cosmology: observations
KW - dark energy
KW - large-scale structure of Universe
UR - https://research-repository.st-andrews.ac.uk/handle/10023/12910
U2 - 10.1093/mnras/sty506
DO - 10.1093/mnras/sty506
M3 - Article
SN - 0035-8711
VL - 477
SP - 1639
EP - 1663
JO - Monthly Notices of the Royal Astronomical Society
JF - Monthly Notices of the Royal Astronomical Society
IS - 2
ER -