Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure

Johan Comparat; Jean-Paul Kneib; Stephanie Escoffier; Julien Zoubian; Anne Ealet; Fabrice Lamareille; N. Mostek; Oliver Steele; Eric Aubourg; Stephen Bailey; Adam S. Bolton; Joel Brownstein; Kyle Dawson; Jian Ge; Olivier Ilbert; Alexie Leauthaud; Claudia Maraston; Will Percival; Nicholas P. Ross; Carlo Schimd; David J. Schlegel; Donald P. Schneider; Daniel Thomas; Jeremy L. Tinker; Benjamin A. Weaver

doi:10.1093/mnras/sts127

Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure

Johan Comparat, Jean-Paul Kneib, Stephanie Escoffier, Julien Zoubian, Anne Ealet, Fabrice Lamareille, N. Mostek, Oliver Steele, Eric Aubourg, Stephen Bailey, Adam S. Bolton, Joel Brownstein, Kyle Dawson, Jian Ge, Olivier Ilbert, Alexie Leauthaud, Claudia Maraston, Will Percival, Nicholas P. Ross, Carlo SchimdDavid J. Schlegel, Donald P. Schneider, Daniel Thomas, Jeremy L. Tinker, Benjamin A. Weaver

Institute of Cosmology & Gravitation

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

Abstract

The baryon acoustic oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to probe the accelerated expansion of the Universe. The current surveys covering a comoving volume sufficient to unveil the BAO scale are limited to redshift z ≲ 0.7. In this paper, we study several galaxy selection schemes aiming at building an emission-line galaxy (ELG) sample in the redshift range 0.6 < z < 1.7 that would be suitable for future BAO studies using the Baryonic Oscillation Spectroscopic Survey (BOSS) spectrograph on the Sloan Digital Sky Survey (SDSS) telescope. We explore two different colour selections using both the SDSS and the Canada–France–Hawaii Telescope Legacy Survey (CFHT-LS) photometry in the u, g, r and i bands and evaluate their performance selecting luminous ELGs. From about 2000 ELGs, we identified a selection scheme that has a 75 per cent redshift measurement efficiency. This result confirms the feasibility of massive ELG surveys using the BOSS spectrograph on the SDSS telescope for a BAO detection at z ∼ 1, in particular the proposed eBOSS experiment, which plans to use the SDSS telescope to combine the use of the BAO ruler with redshift space distortions using ELGs and quasars in the redshift range 0.6 < z < 2.2.

Original language	English
Pages (from-to)	1498-1517
Journal	Monthly Notices of the Royal Astronomical Society
Volume	428
Issue number	2
Early online date	29 Oct 2012
DOIs	https://doi.org/10.1093/mnras/sts127
Publication status	Published - 11 Jan 2013

Keywords

cosmology: observations
large-scale structure of Universe
galaxies: abundances

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Comparat, J., Kneib, J-P., Escoffier, S., Zoubian, J., Ealet, A., Lamareille, F., Mostek, N., Steele, O., Aubourg, E., Bailey, S., Bolton, A. S., Brownstein, J., Dawson, K., Ge, J., Ilbert, O., Leauthaud, A., Maraston, C., Percival, W., Ross, N. P., ... Weaver, B. A. (2013). Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure. Monthly Notices of the Royal Astronomical Society, 428(2), 1498-1517. https://doi.org/10.1093/mnras/sts127

@article{468628d60835442e968913b46b3c52f2,

title = "Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure",

abstract = "The baryon acoustic oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to probe the accelerated expansion of the Universe. The current surveys covering a comoving volume sufficient to unveil the BAO scale are limited to redshift z ≲ 0.7. In this paper, we study several galaxy selection schemes aiming at building an emission-line galaxy (ELG) sample in the redshift range 0.6 < z < 1.7 that would be suitable for future BAO studies using the Baryonic Oscillation Spectroscopic Survey (BOSS) spectrograph on the Sloan Digital Sky Survey (SDSS) telescope. We explore two different colour selections using both the SDSS and the Canada–France–Hawaii Telescope Legacy Survey (CFHT-LS) photometry in the u, g, r and i bands and evaluate their performance selecting luminous ELGs. From about 2000 ELGs, we identified a selection scheme that has a 75 per cent redshift measurement efficiency. This result confirms the feasibility of massive ELG surveys using the BOSS spectrograph on the SDSS telescope for a BAO detection at z ∼ 1, in particular the proposed eBOSS experiment, which plans to use the SDSS telescope to combine the use of the BAO ruler with redshift space distortions using ELGs and quasars in the redshift range 0.6 < z < 2.2. ",

keywords = "cosmology: observations, large-scale structure of Universe, galaxies: abundances",

author = "Johan Comparat and Jean-Paul Kneib and Stephanie Escoffier and Julien Zoubian and Anne Ealet and Fabrice Lamareille and N. Mostek and Oliver Steele and Eric Aubourg and Stephen Bailey and Bolton, {Adam S.} and Joel Brownstein and Kyle Dawson and Jian Ge and Olivier Ilbert and Alexie Leauthaud and Claudia Maraston and Will Percival and Ross, {Nicholas P.} and Carlo Schimd and Schlegel, {David J.} and Schneider, {Donald P.} and Daniel Thomas and Tinker, {Jeremy L.} and Weaver, {Benjamin A.}",

year = "2013",

month = jan,

day = "11",

doi = "10.1093/mnras/sts127",

language = "English",

volume = "428",

pages = "1498--1517",

journal = "MNRAS",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "2",

}

Comparat, J, Kneib, J-P, Escoffier, S, Zoubian, J, Ealet, A, Lamareille, F, Mostek, N, Steele, O, Aubourg, E, Bailey, S, Bolton, AS, Brownstein, J, Dawson, K, Ge, J, Ilbert, O, Leauthaud, A, Maraston, C, Percival, W, Ross, NP, Schimd, C, Schlegel, DJ, Schneider, DP, Thomas, D, Tinker, JL & Weaver, BA 2013, 'Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure', Monthly Notices of the Royal Astronomical Society, vol. 428, no. 2, pp. 1498-1517. https://doi.org/10.1093/mnras/sts127

TY - JOUR

T1 - Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure

AU - Comparat, Johan

AU - Kneib, Jean-Paul

AU - Escoffier, Stephanie

AU - Zoubian, Julien

AU - Ealet, Anne

AU - Lamareille, Fabrice

AU - Mostek, N.

AU - Steele, Oliver

AU - Aubourg, Eric

AU - Bailey, Stephen

AU - Bolton, Adam S.

AU - Brownstein, Joel

AU - Dawson, Kyle

AU - Ge, Jian

AU - Ilbert, Olivier

AU - Leauthaud, Alexie

AU - Maraston, Claudia

AU - Percival, Will

AU - Ross, Nicholas P.

AU - Schimd, Carlo

AU - Schlegel, David J.

AU - Schneider, Donald P.

AU - Thomas, Daniel

AU - Tinker, Jeremy L.

AU - Weaver, Benjamin A.

PY - 2013/1/11

Y1 - 2013/1/11

N2 - The baryon acoustic oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to probe the accelerated expansion of the Universe. The current surveys covering a comoving volume sufficient to unveil the BAO scale are limited to redshift z ≲ 0.7. In this paper, we study several galaxy selection schemes aiming at building an emission-line galaxy (ELG) sample in the redshift range 0.6 < z < 1.7 that would be suitable for future BAO studies using the Baryonic Oscillation Spectroscopic Survey (BOSS) spectrograph on the Sloan Digital Sky Survey (SDSS) telescope. We explore two different colour selections using both the SDSS and the Canada–France–Hawaii Telescope Legacy Survey (CFHT-LS) photometry in the u, g, r and i bands and evaluate their performance selecting luminous ELGs. From about 2000 ELGs, we identified a selection scheme that has a 75 per cent redshift measurement efficiency. This result confirms the feasibility of massive ELG surveys using the BOSS spectrograph on the SDSS telescope for a BAO detection at z ∼ 1, in particular the proposed eBOSS experiment, which plans to use the SDSS telescope to combine the use of the BAO ruler with redshift space distortions using ELGs and quasars in the redshift range 0.6 < z < 2.2.

AB - The baryon acoustic oscillation (BAO) feature in the power spectrum of galaxies provides a standard ruler to probe the accelerated expansion of the Universe. The current surveys covering a comoving volume sufficient to unveil the BAO scale are limited to redshift z ≲ 0.7. In this paper, we study several galaxy selection schemes aiming at building an emission-line galaxy (ELG) sample in the redshift range 0.6 < z < 1.7 that would be suitable for future BAO studies using the Baryonic Oscillation Spectroscopic Survey (BOSS) spectrograph on the Sloan Digital Sky Survey (SDSS) telescope. We explore two different colour selections using both the SDSS and the Canada–France–Hawaii Telescope Legacy Survey (CFHT-LS) photometry in the u, g, r and i bands and evaluate their performance selecting luminous ELGs. From about 2000 ELGs, we identified a selection scheme that has a 75 per cent redshift measurement efficiency. This result confirms the feasibility of massive ELG surveys using the BOSS spectrograph on the SDSS telescope for a BAO detection at z ∼ 1, in particular the proposed eBOSS experiment, which plans to use the SDSS telescope to combine the use of the BAO ruler with redshift space distortions using ELGs and quasars in the redshift range 0.6 < z < 2.2.

KW - cosmology: observations

KW - large-scale structure of Universe

KW - galaxies: abundances

U2 - 10.1093/mnras/sts127

DO - 10.1093/mnras/sts127

M3 - Article

SN - 0035-8711

VL - 428

SP - 1498

EP - 1517

JO - MNRAS

JF - MNRAS

IS - 2

ER -

Investigating emission-line galaxy surveys with the Sloan Digital Sky Survey infrastructure

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Keywords

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