The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: BAO measurement from the LOS-dependent power spectrum of DR12 BOSS galaxies

Héctor Gil-Marín, Will J. Percival, Antonio J. Cuesta, Joel R. Brownstein, Chia Hsun Chuang, Shirley Ho, Francisco Shu Kitaura, Claudia Maraston, Francisco Prada, Sergio Rodríguez-Torres, Ashley J. Ross, David J. Schlegel, Donald P. Schneider, Daniel Thomas, Jeremy L. Tinker, Rita Tojeiro, Mariana Vargas Magaña, Gong Bo Zhao

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Abstract

We present an anisotropic analysis of the baryon acoustic oscillation (BAO) scale in the twelfth and final data release of the Baryon Oscillation Spectroscopic Survey (BOSS). We independently analyse the LOWZ and CMASS galaxy samples: the LOWZ sample contains 361 762 galaxies with an effective redshift of zLOWZ = 0.32; the CMASS sample consists of 777 202 galaxies with an effective redshift of zCMASS = 0.57. We extract the BAO peak position from the monopole power-spectrum moment, α0, and from the μ2 moment, α2, where μ is the cosine of the angle to the line of sight. The μ2-moment provides equivalent information to that available in the quadrupole but is simpler to analyse. After applying a reconstruction algorithm to reduce the BAO suppression by bulk motions, we measure the BAO peak position in the monopole and μ2-moment, which are related to radial and angular shifts in scale. We report H(zLOWZ)rs(zd) = (11.60 ± 0.60) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.66 ± 0.16 with a cross-correlation coefficient of rHDA = 0.41, for the LOWZ sample; and H(zCMASS)rs(zd) = (14.56 ± 0.37) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.42 ± 0.13 with a cross-correlation coefficient of rHDA = 0.47, for the CMASS sample. We demonstrate that our results are not affected by the fiducial cosmology assumed for the analysis. We combine these results with the measurements of the BAO peak position in the monopole and quadrupole correlation function of the same data set (Cuesta et al. 2016, companion paper) and report the consensus values: H(zLOWZ)rs(zd) = (11.63 ± 0.69) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.67 ± 0.15 with rHDA = 0.35 for the LOWZ sample; H(zCMASS)rs(zd) = (14.67 ± 0.42) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.47 ± 0.12 with rHDA = 0.52 for the CMASS sample.

Original languageEnglish (US)
Pages (from-to)4210-4219
Number of pages10
JournalMonthly Notices of the Royal Astronomical Society
Volume460
Issue number4
DOIs
StatePublished - Aug 21 2016

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acoustic survey
power spectra
baryons
oscillation
galaxies
acoustics
oscillations
monopoles
moments
correlation coefficients
cross correlation
quadrupoles
cosmology
line of sight
retarding
shift

All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Gil-Marín, Héctor ; Percival, Will J. ; Cuesta, Antonio J. ; Brownstein, Joel R. ; Chuang, Chia Hsun ; Ho, Shirley ; Kitaura, Francisco Shu ; Maraston, Claudia ; Prada, Francisco ; Rodríguez-Torres, Sergio ; Ross, Ashley J. ; Schlegel, David J. ; Schneider, Donald P. ; Thomas, Daniel ; Tinker, Jeremy L. ; Tojeiro, Rita ; Vargas Magaña, Mariana ; Zhao, Gong Bo. / The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : BAO measurement from the LOS-dependent power spectrum of DR12 BOSS galaxies. In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 460, No. 4. pp. 4210-4219.
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title = "The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: BAO measurement from the LOS-dependent power spectrum of DR12 BOSS galaxies",
abstract = "We present an anisotropic analysis of the baryon acoustic oscillation (BAO) scale in the twelfth and final data release of the Baryon Oscillation Spectroscopic Survey (BOSS). We independently analyse the LOWZ and CMASS galaxy samples: the LOWZ sample contains 361 762 galaxies with an effective redshift of zLOWZ = 0.32; the CMASS sample consists of 777 202 galaxies with an effective redshift of zCMASS = 0.57. We extract the BAO peak position from the monopole power-spectrum moment, α0, and from the μ2 moment, α2, where μ is the cosine of the angle to the line of sight. The μ2-moment provides equivalent information to that available in the quadrupole but is simpler to analyse. After applying a reconstruction algorithm to reduce the BAO suppression by bulk motions, we measure the BAO peak position in the monopole and μ2-moment, which are related to radial and angular shifts in scale. We report H(zLOWZ)rs(zd) = (11.60 ± 0.60) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.66 ± 0.16 with a cross-correlation coefficient of rHDA = 0.41, for the LOWZ sample; and H(zCMASS)rs(zd) = (14.56 ± 0.37) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.42 ± 0.13 with a cross-correlation coefficient of rHDA = 0.47, for the CMASS sample. We demonstrate that our results are not affected by the fiducial cosmology assumed for the analysis. We combine these results with the measurements of the BAO peak position in the monopole and quadrupole correlation function of the same data set (Cuesta et al. 2016, companion paper) and report the consensus values: H(zLOWZ)rs(zd) = (11.63 ± 0.69) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.67 ± 0.15 with rHDA = 0.35 for the LOWZ sample; H(zCMASS)rs(zd) = (14.67 ± 0.42) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.47 ± 0.12 with rHDA = 0.52 for the CMASS sample.",
author = "H{\'e}ctor Gil-Mar{\'i}n and Percival, {Will J.} and Cuesta, {Antonio J.} and Brownstein, {Joel R.} and Chuang, {Chia Hsun} and Shirley Ho and Kitaura, {Francisco Shu} and Claudia Maraston and Francisco Prada and Sergio Rodr{\'i}guez-Torres and Ross, {Ashley J.} and Schlegel, {David J.} and Schneider, {Donald P.} and Daniel Thomas and Tinker, {Jeremy L.} and Rita Tojeiro and {Vargas Maga{\~n}a}, Mariana and Zhao, {Gong Bo}",
year = "2016",
month = "8",
day = "21",
doi = "10.1093/mnras/stw1264",
language = "English (US)",
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Gil-Marín, H, Percival, WJ, Cuesta, AJ, Brownstein, JR, Chuang, CH, Ho, S, Kitaura, FS, Maraston, C, Prada, F, Rodríguez-Torres, S, Ross, AJ, Schlegel, DJ, Schneider, DP, Thomas, D, Tinker, JL, Tojeiro, R, Vargas Magaña, M & Zhao, GB 2016, 'The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey: BAO measurement from the LOS-dependent power spectrum of DR12 BOSS galaxies', Monthly Notices of the Royal Astronomical Society, vol. 460, no. 4, pp. 4210-4219. https://doi.org/10.1093/mnras/stw1264

The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey : BAO measurement from the LOS-dependent power spectrum of DR12 BOSS galaxies. / Gil-Marín, Héctor; Percival, Will J.; Cuesta, Antonio J.; Brownstein, Joel R.; Chuang, Chia Hsun; Ho, Shirley; Kitaura, Francisco Shu; Maraston, Claudia; Prada, Francisco; Rodríguez-Torres, Sergio; Ross, Ashley J.; Schlegel, David J.; Schneider, Donald P.; Thomas, Daniel; Tinker, Jeremy L.; Tojeiro, Rita; Vargas Magaña, Mariana; Zhao, Gong Bo.

In: Monthly Notices of the Royal Astronomical Society, Vol. 460, No. 4, 21.08.2016, p. 4210-4219.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The clustering of galaxies in the SDSS-III Baryon Oscillation Spectroscopic Survey

T2 - BAO measurement from the LOS-dependent power spectrum of DR12 BOSS galaxies

AU - Gil-Marín, Héctor

AU - Percival, Will J.

AU - Cuesta, Antonio J.

AU - Brownstein, Joel R.

AU - Chuang, Chia Hsun

AU - Ho, Shirley

AU - Kitaura, Francisco Shu

AU - Maraston, Claudia

AU - Prada, Francisco

AU - Rodríguez-Torres, Sergio

AU - Ross, Ashley J.

AU - Schlegel, David J.

AU - Schneider, Donald P.

AU - Thomas, Daniel

AU - Tinker, Jeremy L.

AU - Tojeiro, Rita

AU - Vargas Magaña, Mariana

AU - Zhao, Gong Bo

PY - 2016/8/21

Y1 - 2016/8/21

N2 - We present an anisotropic analysis of the baryon acoustic oscillation (BAO) scale in the twelfth and final data release of the Baryon Oscillation Spectroscopic Survey (BOSS). We independently analyse the LOWZ and CMASS galaxy samples: the LOWZ sample contains 361 762 galaxies with an effective redshift of zLOWZ = 0.32; the CMASS sample consists of 777 202 galaxies with an effective redshift of zCMASS = 0.57. We extract the BAO peak position from the monopole power-spectrum moment, α0, and from the μ2 moment, α2, where μ is the cosine of the angle to the line of sight. The μ2-moment provides equivalent information to that available in the quadrupole but is simpler to analyse. After applying a reconstruction algorithm to reduce the BAO suppression by bulk motions, we measure the BAO peak position in the monopole and μ2-moment, which are related to radial and angular shifts in scale. We report H(zLOWZ)rs(zd) = (11.60 ± 0.60) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.66 ± 0.16 with a cross-correlation coefficient of rHDA = 0.41, for the LOWZ sample; and H(zCMASS)rs(zd) = (14.56 ± 0.37) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.42 ± 0.13 with a cross-correlation coefficient of rHDA = 0.47, for the CMASS sample. We demonstrate that our results are not affected by the fiducial cosmology assumed for the analysis. We combine these results with the measurements of the BAO peak position in the monopole and quadrupole correlation function of the same data set (Cuesta et al. 2016, companion paper) and report the consensus values: H(zLOWZ)rs(zd) = (11.63 ± 0.69) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.67 ± 0.15 with rHDA = 0.35 for the LOWZ sample; H(zCMASS)rs(zd) = (14.67 ± 0.42) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.47 ± 0.12 with rHDA = 0.52 for the CMASS sample.

AB - We present an anisotropic analysis of the baryon acoustic oscillation (BAO) scale in the twelfth and final data release of the Baryon Oscillation Spectroscopic Survey (BOSS). We independently analyse the LOWZ and CMASS galaxy samples: the LOWZ sample contains 361 762 galaxies with an effective redshift of zLOWZ = 0.32; the CMASS sample consists of 777 202 galaxies with an effective redshift of zCMASS = 0.57. We extract the BAO peak position from the monopole power-spectrum moment, α0, and from the μ2 moment, α2, where μ is the cosine of the angle to the line of sight. The μ2-moment provides equivalent information to that available in the quadrupole but is simpler to analyse. After applying a reconstruction algorithm to reduce the BAO suppression by bulk motions, we measure the BAO peak position in the monopole and μ2-moment, which are related to radial and angular shifts in scale. We report H(zLOWZ)rs(zd) = (11.60 ± 0.60) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.66 ± 0.16 with a cross-correlation coefficient of rHDA = 0.41, for the LOWZ sample; and H(zCMASS)rs(zd) = (14.56 ± 0.37) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.42 ± 0.13 with a cross-correlation coefficient of rHDA = 0.47, for the CMASS sample. We demonstrate that our results are not affected by the fiducial cosmology assumed for the analysis. We combine these results with the measurements of the BAO peak position in the monopole and quadrupole correlation function of the same data set (Cuesta et al. 2016, companion paper) and report the consensus values: H(zLOWZ)rs(zd) = (11.63 ± 0.69) × 103 km s-1 and DA(zLOWZ)/rs(zd) = 6.67 ± 0.15 with rHDA = 0.35 for the LOWZ sample; H(zCMASS)rs(zd) = (14.67 ± 0.42) × 103 km s-1 and DA(zCMASS)/rs(zd) = 9.47 ± 0.12 with rHDA = 0.52 for the CMASS sample.

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