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The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : measuring DA and H at z = 0.57 from the baryon acoustic peak in the Data Release 9 spectroscopic Galaxy sample

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Tojeiro_2015_MNRAS_Clustering.pdf (2.952Mb)
Date
21/03/2014
Author
Anderson, Lauren
Aubourg, Eric
Bailey, Stephen
Beutler, Florian
Bolton, Adam S.
Brinkmann, J.
Brownstein, Joel R.
Chuang, Chia-Hsun
Cuesta, Antonio J.
Dawson, Kyle S.
Eisenstein, Daniel J.
Ho, Shirley
Honscheid, Klaus
Kazin, Eyal A.
Kirkby, David
Manera, Marc
McBride, Cameron K.
Mena, O.
Nichol, Robert C.
Olmstead, Matthew D.
Padmanabhan, Nikhil
Palanque-Delabrouille, N.
Percival, Will J.
Prada, Francisco
Ross, Ashley J.
Ross, Nicholas P.
Sánchez, Ariel G.
Samushia, Lado
Schlegel, David J.
Schneider, Donald P.
Seo, Hee-Jong
Strauss, Michael A.
Thomas, Daniel
Tinker, Jeremy L.
Tojeiro, Rita
Verde, Licia
Wake, David
Weinberg, David H.
Xu, Xiaoying
Yeche, Christophe
Keywords
Cosmological parameters
Cosmology: observations
Dark energy
Distance scale
Large scale structure of Universe
QB Astronomy
QC Physics
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Abstract
We present measurements of the angular diameter distance to and Hubble parameter at z = 0.57 from the measurement of the baryon acoustic peak in the correlation of galaxies from the Sloan Digital Sky Survey III Baryon Oscillation Spectroscopic Survey. Our analysis is based on a sample from Data Release 9 of 264 283 galaxies over 3275 square degrees in the redshift range 0.43 < z < 0.70. We use two different methods to provide robust measurement of the acoustic peak position across and along the line of sight in order to measure the cosmological distance scale. We find DA(0.57) = 1408 ± 45 Mpc and H(0.57) = 92.9 ± 7.8 km s−1 Mpc−1 for our fiducial value of the sound horizon. These results from the anisotropic fitting are fully consistent with the analysis of the spherically averaged acoustic peak position presented in Anderson et al. Our distance measurements are a close match to the predictions of the standard cosmological model featuring a cosmological constant and zero spatial curvature.
Citation
Anderson , L , Aubourg , E , Bailey , S , Beutler , F , Bolton , A S , Brinkmann , J , Brownstein , J R , Chuang , C-H , Cuesta , A J , Dawson , K S , Eisenstein , D J , Ho , S , Honscheid , K , Kazin , E A , Kirkby , D , Manera , M , McBride , C K , Mena , O , Nichol , R C , Olmstead , M D , Padmanabhan , N , Palanque-Delabrouille , N , Percival , W J , Prada , F , Ross , A J , Ross , N P , Sánchez , A G , Samushia , L , Schlegel , D J , Schneider , D P , Seo , H-J , Strauss , M A , Thomas , D , Tinker , J L , Tojeiro , R , Verde , L , Wake , D , Weinberg , D H , Xu , X & Yeche , C 2014 , ' The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : measuring DA and H at z = 0.57 from the baryon acoustic peak in the Data Release 9 spectroscopic Galaxy sample ' , Monthly Notices of the Royal Astronomical Society , vol. 439 , no. 1 , pp. 83-101 . https://doi.org/10.1093/mnras/stt2206
Publication
Monthly Notices of the Royal Astronomical Society
Status
Peer reviewed
DOI
https://doi.org/10.1093/mnras/stt2206
ISSN
0035-8711
Type
Journal article
Rights
This article has been accepted for publication in Monthly Notices of the Royal Astronomical Society, © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. All rights reserved.
Collections
  • University of St Andrews Research
URL
http://adsabs.harvard.edu/abs/2014MNRAS.439...83A
URI
http://hdl.handle.net/10023/7470

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