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The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample

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The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey : geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample. / Nadathur, Seshadri; Woodfinden, Alex; Percival, Will J.; Aubert, Marie; Bautista, Julian; Dawson, Kyle; Escoffier, Stéphanie; Fromenteau, Sebastien; Gil-Marín, Héctor; Rich, James; Ross, Ashley J.; Rossi, Graziano; Magaña, Mariana Vargas; Brownstein, Joel R.; Schneider, Donald P.

In: Monthly Notices of the Royal Astronomical Society, 08.10.2020.

Research output: Contribution to journalArticlepeer-review

Harvard

Nadathur, S, Woodfinden, A, Percival, WJ, Aubert, M, Bautista, J, Dawson, K, Escoffier, S, Fromenteau, S, Gil-Marín, H, Rich, J, Ross, AJ, Rossi, G, Magaña, MV, Brownstein, JR & Schneider, DP 2020, 'The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample', Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/staa3074

APA

Nadathur, S., Woodfinden, A., Percival, W. J., Aubert, M., Bautista, J., Dawson, K., Escoffier, S., Fromenteau, S., Gil-Marín, H., Rich, J., Ross, A. J., Rossi, G., Magaña, M. V., Brownstein, J. R., & Schneider, D. P. (2020). The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample. Monthly Notices of the Royal Astronomical Society. https://doi.org/10.1093/mnras/staa3074

Vancouver

Author

Nadathur, Seshadri ; Woodfinden, Alex ; Percival, Will J. ; Aubert, Marie ; Bautista, Julian ; Dawson, Kyle ; Escoffier, Stéphanie ; Fromenteau, Sebastien ; Gil-Marín, Héctor ; Rich, James ; Ross, Ashley J. ; Rossi, Graziano ; Magaña, Mariana Vargas ; Brownstein, Joel R. ; Schneider, Donald P. / The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey : geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample. In: Monthly Notices of the Royal Astronomical Society. 2020.

Bibtex

@article{1cfc4acc4b914b5a8545acad367f4a90,
title = "The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample",
abstract = "We present an analysis of the anisotropic redshift-space void-galaxy correlation in configuration space using the Sloan Digital Sky Survey extended Baryon Oscillation Spectroscopic Survey (eBOSS) Data Release 16 luminous red galaxy (LRG) sample. This sample consists of LRGs between redshifts 0.6 and 1.0, combined with the high redshift z > 0.6 tail of the Baryon Oscillation Spectroscopic Survey Data Release 12 CMASS sample. We use a reconstruction method to undo redshift-space distortion (RSD) effects from the galaxy field before applying a watershed void-finding algorithm to remove bias from the void selection. We then perform a joint fit to the multipole moments of the correlation function for the growth rate fσ8 and the geometrical distance ratio DM/DH, finding fσ8(zeff)=0.356±0.079fσ8(zeff)=0.356±0.079 and DM/DH(zeff)=0.868±0.017DM/DH(zeff)=0.868±0.017 at the effective redshift zeff=0.69zeff=0.69 of the sample. The posterior parameter degeneracies are orthogonal to those from galaxy clustering analyses applied to the same data, and the constraint achieved on DM/DH is signixsficantly tighter. In combination with the consensus galaxy BAO and full-shape analyses of the same sample, we obtain fσ8 = 0.447 ± 0.039, DM/rd = 17.48 ± 0.23 and DH/rd = 20.10 ± 0.34. These values are in good agreement with the ΛCDM model predictions and represent reductions in the uncertainties of 13%13%⁠, 23%23% and 28%28% respectively compared to the combined results from galaxy clustering, or an overall reduction of 55% in the allowed volume of parameter space.",
keywords = "astro-ph.CO",
author = "Seshadri Nadathur and Alex Woodfinden and Percival, {Will J.} and Marie Aubert and Julian Bautista and Kyle Dawson and St{\'e}phanie Escoffier and Sebastien Fromenteau and H{\'e}ctor Gil-Mar{\'i}n and James Rich and Ross, {Ashley J.} and Graziano Rossi and Maga{\~n}a, {Mariana Vargas} and Brownstein, {Joel R.} and Schneider, {Donald P.}",
note = "19 pages, 14 figures, 5 tables including appendix. Matches MNRAS accepted version. v2: slightly expanded appendix, minor changes to text elsewhere. Data and code to reproduce likelihood analysis available from https://github.com/seshnadathur/victor",
year = "2020",
month = oct,
day = "8",
doi = "10.1093/mnras/staa3074",
language = "English",
journal = "MNRAS",
issn = "0035-8711",
publisher = "Oxford University Press",

}

RIS

TY - JOUR

T1 - The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey

T2 - geometry and growth from the anisotropic void-galaxy correlation function in the luminous red galaxy sample

AU - Nadathur, Seshadri

AU - Woodfinden, Alex

AU - Percival, Will J.

AU - Aubert, Marie

AU - Bautista, Julian

AU - Dawson, Kyle

AU - Escoffier, Stéphanie

AU - Fromenteau, Sebastien

AU - Gil-Marín, Héctor

AU - Rich, James

AU - Ross, Ashley J.

AU - Rossi, Graziano

AU - Magaña, Mariana Vargas

AU - Brownstein, Joel R.

AU - Schneider, Donald P.

N1 - 19 pages, 14 figures, 5 tables including appendix. Matches MNRAS accepted version. v2: slightly expanded appendix, minor changes to text elsewhere. Data and code to reproduce likelihood analysis available from https://github.com/seshnadathur/victor

PY - 2020/10/8

Y1 - 2020/10/8

N2 - We present an analysis of the anisotropic redshift-space void-galaxy correlation in configuration space using the Sloan Digital Sky Survey extended Baryon Oscillation Spectroscopic Survey (eBOSS) Data Release 16 luminous red galaxy (LRG) sample. This sample consists of LRGs between redshifts 0.6 and 1.0, combined with the high redshift z > 0.6 tail of the Baryon Oscillation Spectroscopic Survey Data Release 12 CMASS sample. We use a reconstruction method to undo redshift-space distortion (RSD) effects from the galaxy field before applying a watershed void-finding algorithm to remove bias from the void selection. We then perform a joint fit to the multipole moments of the correlation function for the growth rate fσ8 and the geometrical distance ratio DM/DH, finding fσ8(zeff)=0.356±0.079fσ8(zeff)=0.356±0.079 and DM/DH(zeff)=0.868±0.017DM/DH(zeff)=0.868±0.017 at the effective redshift zeff=0.69zeff=0.69 of the sample. The posterior parameter degeneracies are orthogonal to those from galaxy clustering analyses applied to the same data, and the constraint achieved on DM/DH is signixsficantly tighter. In combination with the consensus galaxy BAO and full-shape analyses of the same sample, we obtain fσ8 = 0.447 ± 0.039, DM/rd = 17.48 ± 0.23 and DH/rd = 20.10 ± 0.34. These values are in good agreement with the ΛCDM model predictions and represent reductions in the uncertainties of 13%13%⁠, 23%23% and 28%28% respectively compared to the combined results from galaxy clustering, or an overall reduction of 55% in the allowed volume of parameter space.

AB - We present an analysis of the anisotropic redshift-space void-galaxy correlation in configuration space using the Sloan Digital Sky Survey extended Baryon Oscillation Spectroscopic Survey (eBOSS) Data Release 16 luminous red galaxy (LRG) sample. This sample consists of LRGs between redshifts 0.6 and 1.0, combined with the high redshift z > 0.6 tail of the Baryon Oscillation Spectroscopic Survey Data Release 12 CMASS sample. We use a reconstruction method to undo redshift-space distortion (RSD) effects from the galaxy field before applying a watershed void-finding algorithm to remove bias from the void selection. We then perform a joint fit to the multipole moments of the correlation function for the growth rate fσ8 and the geometrical distance ratio DM/DH, finding fσ8(zeff)=0.356±0.079fσ8(zeff)=0.356±0.079 and DM/DH(zeff)=0.868±0.017DM/DH(zeff)=0.868±0.017 at the effective redshift zeff=0.69zeff=0.69 of the sample. The posterior parameter degeneracies are orthogonal to those from galaxy clustering analyses applied to the same data, and the constraint achieved on DM/DH is signixsficantly tighter. In combination with the consensus galaxy BAO and full-shape analyses of the same sample, we obtain fσ8 = 0.447 ± 0.039, DM/rd = 17.48 ± 0.23 and DH/rd = 20.10 ± 0.34. These values are in good agreement with the ΛCDM model predictions and represent reductions in the uncertainties of 13%13%⁠, 23%23% and 28%28% respectively compared to the combined results from galaxy clustering, or an overall reduction of 55% in the allowed volume of parameter space.

KW - astro-ph.CO

U2 - 10.1093/mnras/staa3074

DO - 10.1093/mnras/staa3074

M3 - Article

JO - MNRAS

JF - MNRAS

SN - 0035-8711

ER -

ID: 22890215