Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data
Costanzi, M., et al. DES and SPT Collaborations We perform a joint analysis of the counts of redMaPPer clusters selected from the Dark Energy Survey (DES) year 1 data and multiwavelength follow-up data collected within the 2500 deg2 South Pole Telescope (SPT) Sunyaev-Zel'dovich (SZ) survey. The...
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Online Access: | http://hdl.handle.net/10261/256009 https://doi.org/10.1103/PhysRevD.103.043522 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100002809 https://doi.org/10.13039/501100003329 https://doi.org/10.13039/100000001 |
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ftcsic:oai:digital.csic.es:10261/256009 2024-02-11T10:08:43+01:00 Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data Costanzi, M. Ávila, Sergio Fosalba, Pablo García-Bellido, Juan Gaztañaga, Enrique Serrano, S. Zhang, Z. DES Collaboration SPT Collaboration Ministerio de Ciencia, Innovación y Universidades (España) Ministerio de Economía y Competitividad (España) European Commission Generalitat de Catalunya Instituto Nacional de Ciência e Tecnologia (Brasil) National Science Foundation (US) 2021-02-15 http://hdl.handle.net/10261/256009 https://doi.org/10.1103/PhysRevD.103.043522 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100002809 https://doi.org/10.13039/501100003329 https://doi.org/10.13039/100000001 unknown American Physical Society #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-102021-B-I00/ES/COSMOLOGIA CON MAPAS DE GALAXIAS/ S2015/MDM-0509// info:eu-repo/grantAgreement/EC/FP7/240672 info:eu-repo/grantAgreement/EC/FP7/291329 info:eu-repo/grantAgreement/EC/FP7/306478 Publisher's version http://doi.org/10.1103/PhysRevD.103.043522 Sí doi:10.1103/PhysRevD.103.043522 issn: 2470-0029 Physical Review - Section D - Particles and Fields 103: 043522 (2021) http://hdl.handle.net/10261/256009 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002809 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/100000001 open Cosmological parameters Large-scale structure of the Universe Galaxy clusters Gravitation Cosmology and Astrophysics artículo http://purl.org/coar/resource_type/c_6501 2021 ftcsic https://doi.org/10.1103/PhysRevD.103.04352210.13039/50110000078010.13039/50110000280910.13039/50110000332910.13039/100000001 2024-01-16T11:16:26Z Costanzi, M., et al. DES and SPT Collaborations We perform a joint analysis of the counts of redMaPPer clusters selected from the Dark Energy Survey (DES) year 1 data and multiwavelength follow-up data collected within the 2500 deg2 South Pole Telescope (SPT) Sunyaev-Zel'dovich (SZ) survey. The SPT follow-up data, calibrating the richness-mass relation of the optically selected redMaPPer catalog, enable the cosmological exploitation of the DES cluster abundance data. To explore possible systematics related to the modeling of projection effects, we consider two calibrations of the observational scatter on richness estimates: a simple Gaussian model which account only for the background contamination (BKG), and a model which further includes contamination and incompleteness due to projection effects (PRJ). Assuming either a ΛCDM+mν or wCDM+mν cosmology, and for both scatter models, we derive cosmological constraints consistent with multiple cosmological probes of the low and high redshift Universe, and in particular with the SPT cluster abundance data. This result demonstrates that the DES Y1 and SPT cluster counts provide consistent cosmological constraints, if the same mass calibration data set is adopted. It thus supports the conclusion of the DES Y1 cluster cosmology analysis which interprets the tension observed with other cosmological probes in terms of systematics affecting the stacked weak lensing analysis of optically selected low-richness clusters. Finally, we analyze the first combined optically SZ selected cluster catalog obtained by including the SPT sample above the maximum redshift probed by the DES Y1 redMaPPer sample (z=0.65). Besides providing a mild improvement of the cosmological constraints, this data combination serves as a stricter test of our scatter models: the PRJ model, providing scaling relations consistent between the two abundance and multiwavelength follow-up data, is favored over the BKG model. Funding for the DES Projects has been provided by the U.S. Department of Energy, the ... Article in Journal/Newspaper South pole Digital.CSIC (Spanish National Research Council) South Pole Physical Review D 103 4 |
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collection |
Digital.CSIC (Spanish National Research Council) |
op_collection_id |
ftcsic |
language |
unknown |
topic |
Cosmological parameters Large-scale structure of the Universe Galaxy clusters Gravitation Cosmology and Astrophysics |
spellingShingle |
Cosmological parameters Large-scale structure of the Universe Galaxy clusters Gravitation Cosmology and Astrophysics Costanzi, M. Ávila, Sergio Fosalba, Pablo García-Bellido, Juan Gaztañaga, Enrique Serrano, S. Zhang, Z. DES Collaboration SPT Collaboration Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data |
topic_facet |
Cosmological parameters Large-scale structure of the Universe Galaxy clusters Gravitation Cosmology and Astrophysics |
description |
Costanzi, M., et al. DES and SPT Collaborations We perform a joint analysis of the counts of redMaPPer clusters selected from the Dark Energy Survey (DES) year 1 data and multiwavelength follow-up data collected within the 2500 deg2 South Pole Telescope (SPT) Sunyaev-Zel'dovich (SZ) survey. The SPT follow-up data, calibrating the richness-mass relation of the optically selected redMaPPer catalog, enable the cosmological exploitation of the DES cluster abundance data. To explore possible systematics related to the modeling of projection effects, we consider two calibrations of the observational scatter on richness estimates: a simple Gaussian model which account only for the background contamination (BKG), and a model which further includes contamination and incompleteness due to projection effects (PRJ). Assuming either a ΛCDM+mν or wCDM+mν cosmology, and for both scatter models, we derive cosmological constraints consistent with multiple cosmological probes of the low and high redshift Universe, and in particular with the SPT cluster abundance data. This result demonstrates that the DES Y1 and SPT cluster counts provide consistent cosmological constraints, if the same mass calibration data set is adopted. It thus supports the conclusion of the DES Y1 cluster cosmology analysis which interprets the tension observed with other cosmological probes in terms of systematics affecting the stacked weak lensing analysis of optically selected low-richness clusters. Finally, we analyze the first combined optically SZ selected cluster catalog obtained by including the SPT sample above the maximum redshift probed by the DES Y1 redMaPPer sample (z=0.65). Besides providing a mild improvement of the cosmological constraints, this data combination serves as a stricter test of our scatter models: the PRJ model, providing scaling relations consistent between the two abundance and multiwavelength follow-up data, is favored over the BKG model. Funding for the DES Projects has been provided by the U.S. Department of Energy, the ... |
author2 |
Ministerio de Ciencia, Innovación y Universidades (España) Ministerio de Economía y Competitividad (España) European Commission Generalitat de Catalunya Instituto Nacional de Ciência e Tecnologia (Brasil) National Science Foundation (US) |
format |
Article in Journal/Newspaper |
author |
Costanzi, M. Ávila, Sergio Fosalba, Pablo García-Bellido, Juan Gaztañaga, Enrique Serrano, S. Zhang, Z. DES Collaboration SPT Collaboration |
author_facet |
Costanzi, M. Ávila, Sergio Fosalba, Pablo García-Bellido, Juan Gaztañaga, Enrique Serrano, S. Zhang, Z. DES Collaboration SPT Collaboration |
author_sort |
Costanzi, M. |
title |
Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data |
title_short |
Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data |
title_full |
Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data |
title_fullStr |
Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data |
title_full_unstemmed |
Cosmological constraints from des Y1 cluster abundances and SPT multiwavelength data |
title_sort |
cosmological constraints from des y1 cluster abundances and spt multiwavelength data |
publisher |
American Physical Society |
publishDate |
2021 |
url |
http://hdl.handle.net/10261/256009 https://doi.org/10.1103/PhysRevD.103.043522 https://doi.org/10.13039/501100000780 https://doi.org/10.13039/501100002809 https://doi.org/10.13039/501100003329 https://doi.org/10.13039/100000001 |
geographic |
South Pole |
geographic_facet |
South Pole |
genre |
South pole |
genre_facet |
South pole |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-102021-B-I00/ES/COSMOLOGIA CON MAPAS DE GALAXIAS/ S2015/MDM-0509// info:eu-repo/grantAgreement/EC/FP7/240672 info:eu-repo/grantAgreement/EC/FP7/291329 info:eu-repo/grantAgreement/EC/FP7/306478 Publisher's version http://doi.org/10.1103/PhysRevD.103.043522 Sí doi:10.1103/PhysRevD.103.043522 issn: 2470-0029 Physical Review - Section D - Particles and Fields 103: 043522 (2021) http://hdl.handle.net/10261/256009 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002809 http://dx.doi.org/10.13039/501100003329 http://dx.doi.org/10.13039/100000001 |
op_rights |
open |
op_doi |
https://doi.org/10.1103/PhysRevD.103.04352210.13039/50110000078010.13039/50110000280910.13039/50110000332910.13039/100000001 |
container_title |
Physical Review D |
container_volume |
103 |
container_issue |
4 |
_version_ |
1790608265228320768 |