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The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS: completeness, bimodality and luminosity function

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The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS : completeness, bimodality and luminosity function. / Montero-Dorta, Antonio D.; Bolton, Adam S.; Brownstein, Joel R.; Swanson, Molly E. C.; Dawson, Kyle S.; Prada, Francisco; Eisenstein, Daniel J.; Maraston, Claudia; Thomas, Daniel; Comparat, Johan; Chuang, Chia-Hsun; McBride, Cameron K.; Favole, Ginevra; Guo, Hong; Rodriguez-Torres, Sergio; Schneider, Donald P.

In: Monthly Notices of the Royal Astronomical Society, Vol. 461, No. 2, 11.09.2016, p. 1131-1153.

Research output: Contribution to journalArticle

Harvard

Montero-Dorta, AD, Bolton, AS, Brownstein, JR, Swanson, MEC, Dawson, KS, Prada, F, Eisenstein, DJ, Maraston, C, Thomas, D, Comparat, J, Chuang, C-H, McBride, CK, Favole, G, Guo, H, Rodriguez-Torres, S & Schneider, DP 2016, 'The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS: completeness, bimodality and luminosity function', Monthly Notices of the Royal Astronomical Society, vol. 461, no. 2, pp. 1131-1153. https://doi.org/10.1093/mnras/stw1352

APA

Montero-Dorta, A. D., Bolton, A. S., Brownstein, J. R., Swanson, M. E. C., Dawson, K. S., Prada, F., Eisenstein, D. J., Maraston, C., Thomas, D., Comparat, J., Chuang, C-H., McBride, C. K., Favole, G., Guo, H., Rodriguez-Torres, S., & Schneider, D. P. (2016). The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS: completeness, bimodality and luminosity function. Monthly Notices of the Royal Astronomical Society, 461(2), 1131-1153. https://doi.org/10.1093/mnras/stw1352

Vancouver

Montero-Dorta AD, Bolton AS, Brownstein JR, Swanson MEC, Dawson KS, Prada F et al. The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS: completeness, bimodality and luminosity function. Monthly Notices of the Royal Astronomical Society. 2016 Sep 11;461(2):1131-1153. https://doi.org/10.1093/mnras/stw1352

Author

Montero-Dorta, Antonio D. ; Bolton, Adam S. ; Brownstein, Joel R. ; Swanson, Molly E. C. ; Dawson, Kyle S. ; Prada, Francisco ; Eisenstein, Daniel J. ; Maraston, Claudia ; Thomas, Daniel ; Comparat, Johan ; Chuang, Chia-Hsun ; McBride, Cameron K. ; Favole, Ginevra ; Guo, Hong ; Rodriguez-Torres, Sergio ; Schneider, Donald P. / The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS : completeness, bimodality and luminosity function. In: Monthly Notices of the Royal Astronomical Society. 2016 ; Vol. 461, No. 2. pp. 1131-1153.

Bibtex

@article{078b0ca3ff8547ca933527c83cd4f9d7,
title = "The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS: completeness, bimodality and luminosity function",
abstract = "We have developed an analytical method based on forward-modelling techniques to characterize the high-mass end of the red sequence (RS) galaxy population at redshift z ∼ 0.55, from the DR10 BOSS (Baryon Oscillation Spectroscopic Survey) CMASS spectroscopic sample, which comprises ∼600 000 galaxies. The method, which follows an unbinned maximum likelihood approach, allows the deconvolution of the intrinsic CMASS colour–colour–magnitude distributions from photometric errors and selection effects. This procedure requires modelling the covariance matrix for the i-band magnitude, g − r colour and r − i colour using Stripe 82 multi-epoch data. Our results indicate that the error-deconvolved intrinsic RS distribution is consistent, within the photometric uncertainties, with a single point (<0.05 mag) in the colour–colour plane at fixed magnitude, for a narrow redshift slice. We have computed the high-mass end (0.55Mi ≲ −22) of the 0.55i-band RS luminosity function (RS LF) in several redshift slices within the redshift range 0.52 < z < 0.63. In this narrow redshift range, the evolution of the RS LF is consistent, within the uncertainties in the modelling, with a passively evolving model with Φ* = (7.248 ± 0.204) × 10−4 Mpc−3 mag−1, fading at a rate of 1.5 ± 0.4 mag per unit redshift. We report RS completeness as a function of magnitude and redshift in the CMASS sample, which will facilitate a variety of galaxy-evolution and clustering studies using BOSS. Our forward-modelling method lays the foundations for future studies using other dark-energy surveys like the Extended Baryon Oscillation Spectroscopic Survey or the Dark Energy Spectroscopic Instrument, which are affected by the same type of photometric blurring/selection effects.",
keywords = "methods: analytical, methods: statistical, surveys, galaxies: evolution, galaxies: luminosity function, mass function, galaxies: statistics",
author = "Montero-Dorta, {Antonio D.} and Bolton, {Adam S.} and Brownstein, {Joel R.} and Swanson, {Molly E. C.} and Dawson, {Kyle S.} and Francisco Prada and Eisenstein, {Daniel J.} and Claudia Maraston and Daniel Thomas and Johan Comparat and Chia-Hsun Chuang and McBride, {Cameron K.} and Ginevra Favole and Hong Guo and Sergio Rodriguez-Torres and Schneider, {Donald P.}",
year = "2016",
month = sep,
day = "11",
doi = "10.1093/mnras/stw1352",
language = "English",
volume = "461",
pages = "1131--1153",
journal = "MNRAS",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "2",

}

RIS

TY - JOUR

T1 - The high-mass end of the red sequence at z ∼ 0.55 from SDSS-III/BOSS

T2 - completeness, bimodality and luminosity function

AU - Montero-Dorta, Antonio D.

AU - Bolton, Adam S.

AU - Brownstein, Joel R.

AU - Swanson, Molly E. C.

AU - Dawson, Kyle S.

AU - Prada, Francisco

AU - Eisenstein, Daniel J.

AU - Maraston, Claudia

AU - Thomas, Daniel

AU - Comparat, Johan

AU - Chuang, Chia-Hsun

AU - McBride, Cameron K.

AU - Favole, Ginevra

AU - Guo, Hong

AU - Rodriguez-Torres, Sergio

AU - Schneider, Donald P.

PY - 2016/9/11

Y1 - 2016/9/11

N2 - We have developed an analytical method based on forward-modelling techniques to characterize the high-mass end of the red sequence (RS) galaxy population at redshift z ∼ 0.55, from the DR10 BOSS (Baryon Oscillation Spectroscopic Survey) CMASS spectroscopic sample, which comprises ∼600 000 galaxies. The method, which follows an unbinned maximum likelihood approach, allows the deconvolution of the intrinsic CMASS colour–colour–magnitude distributions from photometric errors and selection effects. This procedure requires modelling the covariance matrix for the i-band magnitude, g − r colour and r − i colour using Stripe 82 multi-epoch data. Our results indicate that the error-deconvolved intrinsic RS distribution is consistent, within the photometric uncertainties, with a single point (<0.05 mag) in the colour–colour plane at fixed magnitude, for a narrow redshift slice. We have computed the high-mass end (0.55Mi ≲ −22) of the 0.55i-band RS luminosity function (RS LF) in several redshift slices within the redshift range 0.52 < z < 0.63. In this narrow redshift range, the evolution of the RS LF is consistent, within the uncertainties in the modelling, with a passively evolving model with Φ* = (7.248 ± 0.204) × 10−4 Mpc−3 mag−1, fading at a rate of 1.5 ± 0.4 mag per unit redshift. We report RS completeness as a function of magnitude and redshift in the CMASS sample, which will facilitate a variety of galaxy-evolution and clustering studies using BOSS. Our forward-modelling method lays the foundations for future studies using other dark-energy surveys like the Extended Baryon Oscillation Spectroscopic Survey or the Dark Energy Spectroscopic Instrument, which are affected by the same type of photometric blurring/selection effects.

AB - We have developed an analytical method based on forward-modelling techniques to characterize the high-mass end of the red sequence (RS) galaxy population at redshift z ∼ 0.55, from the DR10 BOSS (Baryon Oscillation Spectroscopic Survey) CMASS spectroscopic sample, which comprises ∼600 000 galaxies. The method, which follows an unbinned maximum likelihood approach, allows the deconvolution of the intrinsic CMASS colour–colour–magnitude distributions from photometric errors and selection effects. This procedure requires modelling the covariance matrix for the i-band magnitude, g − r colour and r − i colour using Stripe 82 multi-epoch data. Our results indicate that the error-deconvolved intrinsic RS distribution is consistent, within the photometric uncertainties, with a single point (<0.05 mag) in the colour–colour plane at fixed magnitude, for a narrow redshift slice. We have computed the high-mass end (0.55Mi ≲ −22) of the 0.55i-band RS luminosity function (RS LF) in several redshift slices within the redshift range 0.52 < z < 0.63. In this narrow redshift range, the evolution of the RS LF is consistent, within the uncertainties in the modelling, with a passively evolving model with Φ* = (7.248 ± 0.204) × 10−4 Mpc−3 mag−1, fading at a rate of 1.5 ± 0.4 mag per unit redshift. We report RS completeness as a function of magnitude and redshift in the CMASS sample, which will facilitate a variety of galaxy-evolution and clustering studies using BOSS. Our forward-modelling method lays the foundations for future studies using other dark-energy surveys like the Extended Baryon Oscillation Spectroscopic Survey or the Dark Energy Spectroscopic Instrument, which are affected by the same type of photometric blurring/selection effects.

KW - methods: analytical

KW - methods: statistical

KW - surveys

KW - galaxies: evolution

KW - galaxies: luminosity function, mass function

KW - galaxies: statistics

U2 - 10.1093/mnras/stw1352

DO - 10.1093/mnras/stw1352

M3 - Article

VL - 461

SP - 1131

EP - 1153

JO - MNRAS

JF - MNRAS

SN - 0035-8711

IS - 2

ER -

ID: 5522877