A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters
International audience We present first results of an examination of the optical properties of the galaxy populations in Sunyaev-Zel'dovich Effect (SZE) selected galaxy clusters. Using clusters selected by the South Pole Telescope survey and deep multiband optical data from the Blanco Cosmology...
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Online Access: | https://insu.hal.science/insu-03645959 https://doi.org/10.1088/0004-637X/734/1/3 |
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ftccsdartic:oai:HAL:insu-03645959v1 2023-11-05T03:45:07+01:00 A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters Zenteno, A. Song, J. Desai, S. Armstrong, R. Mohr, J. J. Ngeow, C. -C. Barkhouse, W. A. Allam, S. S. Andersson, K. Bazin, G. Benson, B. A. Bertin, E. Brodwin, M. Buckley-Geer, E. J. Hansen, S. M. High, F. W. Lin, H. Lin, Y. -T. Liu, J. Rest, A. Smith, R. C. Stalder, B. Stark, A. A. Tucker, D. L. Yang, Y. Institut d'Astrophysique de Paris (IAP) Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) 2011 https://insu.hal.science/insu-03645959 https://doi.org/10.1088/0004-637X/734/1/3 en eng HAL CCSD American Astronomical Society info:eu-repo/semantics/altIdentifier/arxiv/1103.4612 info:eu-repo/semantics/altIdentifier/doi/10.1088/0004-637X/734/1/3 insu-03645959 https://insu.hal.science/insu-03645959 ARXIV: 1103.4612 BIBCODE: 2011ApJ.734.3Z doi:10.1088/0004-637X/734/1/3 ISSN: 0004-637X EISSN: 1538-4357 The Astrophysical Journal https://insu.hal.science/insu-03645959 The Astrophysical Journal, 2011, 734, ⟨10.1088/0004-637X/734/1/3⟩ cosmology: observations galaxies: clusters: general galaxies: evolution galaxies: formation Astrophysics - Cosmology and Nongalactic Astrophysics [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/article Journal articles 2011 ftccsdartic https://doi.org/10.1088/0004-637X/734/1/3 2023-10-07T23:05:32Z International audience We present first results of an examination of the optical properties of the galaxy populations in Sunyaev-Zel'dovich Effect (SZE) selected galaxy clusters. Using clusters selected by the South Pole Telescope survey and deep multiband optical data from the Blanco Cosmology Survey, we measure the radial profile, the luminosity function (LF), the blue fraction, and the halo occupation number (HON) of the galaxy populations of these four clusters with redshifts ranging from 0.3 to 1. Our goal is to understand whether there are differences among the galaxy populations of these SZE-selected clusters and previously studied clusters selected in the optical and the X-ray. The radial distributions of galaxies in the four systems are consistent with Navarro-Frenk-White profiles with a galaxy concentration of 3 to 6. We show that the characteristic luminosities in griz bands are consistent with passively evolving populations emerging from a single burst at redshift z = 3. The faint-end power-law slope of the LF is found to be on average α ≈ -1.2 in griz. HONs (to m* + 2) for these systems appear to be consistent with those based on X-ray-selected clusters. The blue fraction estimated to 0.36 L*, for the three lower redshift systems, suggests an increase with redshift, although with the current sample the uncertainties are still large. Overall, this pilot study of the first four clusters provides no evidence that the galaxy populations in these systems differ significantly from those in previously studied cluster populations selected in the X-ray or the optical. Article in Journal/Newspaper South pole Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) The Astrophysical Journal 734 1 3 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
cosmology: observations galaxies: clusters: general galaxies: evolution galaxies: formation Astrophysics - Cosmology and Nongalactic Astrophysics [SDU]Sciences of the Universe [physics] |
spellingShingle |
cosmology: observations galaxies: clusters: general galaxies: evolution galaxies: formation Astrophysics - Cosmology and Nongalactic Astrophysics [SDU]Sciences of the Universe [physics] Zenteno, A. Song, J. Desai, S. Armstrong, R. Mohr, J. J. Ngeow, C. -C. Barkhouse, W. A. Allam, S. S. Andersson, K. Bazin, G. Benson, B. A. Bertin, E. Brodwin, M. Buckley-Geer, E. J. Hansen, S. M. High, F. W. Lin, H. Lin, Y. -T. Liu, J. Rest, A. Smith, R. C. Stalder, B. Stark, A. A. Tucker, D. L. Yang, Y. A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters |
topic_facet |
cosmology: observations galaxies: clusters: general galaxies: evolution galaxies: formation Astrophysics - Cosmology and Nongalactic Astrophysics [SDU]Sciences of the Universe [physics] |
description |
International audience We present first results of an examination of the optical properties of the galaxy populations in Sunyaev-Zel'dovich Effect (SZE) selected galaxy clusters. Using clusters selected by the South Pole Telescope survey and deep multiband optical data from the Blanco Cosmology Survey, we measure the radial profile, the luminosity function (LF), the blue fraction, and the halo occupation number (HON) of the galaxy populations of these four clusters with redshifts ranging from 0.3 to 1. Our goal is to understand whether there are differences among the galaxy populations of these SZE-selected clusters and previously studied clusters selected in the optical and the X-ray. The radial distributions of galaxies in the four systems are consistent with Navarro-Frenk-White profiles with a galaxy concentration of 3 to 6. We show that the characteristic luminosities in griz bands are consistent with passively evolving populations emerging from a single burst at redshift z = 3. The faint-end power-law slope of the LF is found to be on average α ≈ -1.2 in griz. HONs (to m* + 2) for these systems appear to be consistent with those based on X-ray-selected clusters. The blue fraction estimated to 0.36 L*, for the three lower redshift systems, suggests an increase with redshift, although with the current sample the uncertainties are still large. Overall, this pilot study of the first four clusters provides no evidence that the galaxy populations in these systems differ significantly from those in previously studied cluster populations selected in the X-ray or the optical. |
author2 |
Institut d'Astrophysique de Paris (IAP) Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Zenteno, A. Song, J. Desai, S. Armstrong, R. Mohr, J. J. Ngeow, C. -C. Barkhouse, W. A. Allam, S. S. Andersson, K. Bazin, G. Benson, B. A. Bertin, E. Brodwin, M. Buckley-Geer, E. J. Hansen, S. M. High, F. W. Lin, H. Lin, Y. -T. Liu, J. Rest, A. Smith, R. C. Stalder, B. Stark, A. A. Tucker, D. L. Yang, Y. |
author_facet |
Zenteno, A. Song, J. Desai, S. Armstrong, R. Mohr, J. J. Ngeow, C. -C. Barkhouse, W. A. Allam, S. S. Andersson, K. Bazin, G. Benson, B. A. Bertin, E. Brodwin, M. Buckley-Geer, E. J. Hansen, S. M. High, F. W. Lin, H. Lin, Y. -T. Liu, J. Rest, A. Smith, R. C. Stalder, B. Stark, A. A. Tucker, D. L. Yang, Y. |
author_sort |
Zenteno, A. |
title |
A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters |
title_short |
A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters |
title_full |
A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters |
title_fullStr |
A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters |
title_full_unstemmed |
A Multiband Study of the Galaxy Populations of the First Four Sunyaev-Zel'dovich Effect Selected Galaxy Clusters |
title_sort |
multiband study of the galaxy populations of the first four sunyaev-zel'dovich effect selected galaxy clusters |
publisher |
HAL CCSD |
publishDate |
2011 |
url |
https://insu.hal.science/insu-03645959 https://doi.org/10.1088/0004-637X/734/1/3 |
genre |
South pole |
genre_facet |
South pole |
op_source |
ISSN: 0004-637X EISSN: 1538-4357 The Astrophysical Journal https://insu.hal.science/insu-03645959 The Astrophysical Journal, 2011, 734, ⟨10.1088/0004-637X/734/1/3⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/arxiv/1103.4612 info:eu-repo/semantics/altIdentifier/doi/10.1088/0004-637X/734/1/3 insu-03645959 https://insu.hal.science/insu-03645959 ARXIV: 1103.4612 BIBCODE: 2011ApJ.734.3Z doi:10.1088/0004-637X/734/1/3 |
op_doi |
https://doi.org/10.1088/0004-637X/734/1/3 |
container_title |
The Astrophysical Journal |
container_volume |
734 |
container_issue |
1 |
container_start_page |
3 |
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1781706534228590592 |