The large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies

Zachary Slepian; Daniel J. Eisenstein; Florian Beutler; Chia Hsun Chuang; Antonio J. Cuesta; Jian Ge; Héctor Gil-Marín; Shirley Ho; Francisco Shu Kitaura; Cameron K. McBride; Robert C. Nichol; Will J. Percival; Sergio Rodríguez-Torres; Ashley J. Ross; Román Scoccimarro; Hee Jong Seo; Jeremy Tinker; Rita Tojeiro; Mariana Vargas-Magaña

doi:10.1093/mnras/stw3234

The large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies

Zachary Slepian, Daniel J. Eisenstein, Florian Beutler, Chia Hsun Chuang, Antonio J. Cuesta, Jian Ge, Héctor Gil-Marín, Shirley Ho, Francisco Shu Kitaura, Cameron K. McBride, Robert C. Nichol, Will J. Percival, Sergio Rodríguez-Torres, Ashley J. Ross, Román Scoccimarro, Hee Jong Seo, Jeremy Tinker, Rita Tojeiro, Mariana Vargas-Magaña

Research output: Contribution to journal › Article › peer-review

Abstract

We report a measurement of the large-scale three-point correlation function of galaxies using the largest data set for this purpose to date, 777 202 luminous red galaxies in the Sloan Digital Sky Survey Baryon Acoustic Oscillation Spectroscopic Survey (SDSS BOSS) DR12 CMASS sample. This work exploits the novel algorithm of Slepian & Eisenstein to compute the multipole moments of the 3PCF in O(N²) time, with N the number of galaxies. Leadingorder perturbation theory models the data well in a compressed basis where one triangle side is integrated out. We also present an accurate and computationally efficient means of estimating the covariance matrix. With these techniques, the redshift-space linear and non-linear bias are measured, with 2.6 per cent precision on the former if σ₈ is fixed. The data also indicate a 2.8s preference for the BAO, confirming the presence of BAO in the three-point function.

Original language	English (US)
Pages (from-to)	1070-1083
Number of pages	14
Journal	Monthly Notices of the Royal Astronomical Society
Volume	468
Issue number	1
DOIs	https://doi.org/10.1093/mnras/stw3234
State	Published - Jun 11 2017

Keywords

Cosmology
Distance scale
Large-scale structure of universe
Observations

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1093/mnras/stw3234

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Slepian, Z., Eisenstein, D. J., Beutler, F., Chuang, C. H., Cuesta, A. J., Ge, J., Gil-Marín, H., Ho, S., Kitaura, F. S., McBride, C. K., Nichol, R. C., Percival, W. J., Rodríguez-Torres, S., Ross, A. J., Scoccimarro, R., Seo, H. J., Tinker, J., Tojeiro, R., & Vargas-Magaña, M. (2017). The large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies. Monthly Notices of the Royal Astronomical Society, 468(1), 1070-1083. https://doi.org/10.1093/mnras/stw3234

Slepian, Z, Eisenstein, DJ, Beutler, F, Chuang, CH, Cuesta, AJ, Ge, J, Gil-Marín, H, Ho, S, Kitaura, FS, McBride, CK, Nichol, RC, Percival, WJ, Rodríguez-Torres, S, Ross, AJ, Scoccimarro, R, Seo, HJ, Tinker, J, Tojeiro, R & Vargas-Magaña, M 2017, 'The large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies', Monthly Notices of the Royal Astronomical Society, vol. 468, no. 1, pp. 1070-1083. https://doi.org/10.1093/mnras/stw3234

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abstract = "We report a measurement of the large-scale three-point correlation function of galaxies using the largest data set for this purpose to date, 777 202 luminous red galaxies in the Sloan Digital Sky Survey Baryon Acoustic Oscillation Spectroscopic Survey (SDSS BOSS) DR12 CMASS sample. This work exploits the novel algorithm of Slepian & Eisenstein to compute the multipole moments of the 3PCF in O(N2) time, with N the number of galaxies. Leadingorder perturbation theory models the data well in a compressed basis where one triangle side is integrated out. We also present an accurate and computationally efficient means of estimating the covariance matrix. With these techniques, the redshift-space linear and non-linear bias are measured, with 2.6 per cent precision on the former if σ8 is fixed. The data also indicate a 2.8s preference for the BAO, confirming the presence of BAO in the three-point function.",

keywords = "Cosmology, Distance scale, Large-scale structure of universe, Observations",

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AU - Slepian, Zachary

AU - Eisenstein, Daniel J.

AU - Beutler, Florian

AU - Chuang, Chia Hsun

AU - Cuesta, Antonio J.

AU - Ge, Jian

AU - Gil-Marín, Héctor

AU - Ho, Shirley

AU - Kitaura, Francisco Shu

AU - McBride, Cameron K.

AU - Nichol, Robert C.

AU - Percival, Will J.

AU - Rodríguez-Torres, Sergio

AU - Ross, Ashley J.

AU - Scoccimarro, Román

AU - Seo, Hee Jong

AU - Tinker, Jeremy

AU - Tojeiro, Rita

AU - Vargas-Magaña, Mariana

PY - 2017/6/11

Y1 - 2017/6/11

N2 - We report a measurement of the large-scale three-point correlation function of galaxies using the largest data set for this purpose to date, 777 202 luminous red galaxies in the Sloan Digital Sky Survey Baryon Acoustic Oscillation Spectroscopic Survey (SDSS BOSS) DR12 CMASS sample. This work exploits the novel algorithm of Slepian & Eisenstein to compute the multipole moments of the 3PCF in O(N2) time, with N the number of galaxies. Leadingorder perturbation theory models the data well in a compressed basis where one triangle side is integrated out. We also present an accurate and computationally efficient means of estimating the covariance matrix. With these techniques, the redshift-space linear and non-linear bias are measured, with 2.6 per cent precision on the former if σ8 is fixed. The data also indicate a 2.8s preference for the BAO, confirming the presence of BAO in the three-point function.

AB - We report a measurement of the large-scale three-point correlation function of galaxies using the largest data set for this purpose to date, 777 202 luminous red galaxies in the Sloan Digital Sky Survey Baryon Acoustic Oscillation Spectroscopic Survey (SDSS BOSS) DR12 CMASS sample. This work exploits the novel algorithm of Slepian & Eisenstein to compute the multipole moments of the 3PCF in O(N2) time, with N the number of galaxies. Leadingorder perturbation theory models the data well in a compressed basis where one triangle side is integrated out. We also present an accurate and computationally efficient means of estimating the covariance matrix. With these techniques, the redshift-space linear and non-linear bias are measured, with 2.6 per cent precision on the former if σ8 is fixed. The data also indicate a 2.8s preference for the BAO, confirming the presence of BAO in the three-point function.

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The large-scale three-point correlation function of the SDSS BOSS DR12 CMASS galaxies

Abstract

Keywords

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