The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data
We describe updates to the redMaPPer algorithm, a photometric red-sequence cluster finder specifically designed for large photometric surveys. The updated algorithm is applied to $150\,\mathrm{deg}^2$ of Science Verification (SV) data from the Dark Energy Survey (DES), and to the Sloan Digital Sky S...
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ftosti:oai:osti.gov:1244415 2023-07-30T04:06:54+02:00 The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data Rykoff, E. S. 2023-06-26 application/pdf http://www.osti.gov/servlets/purl/1244415 https://www.osti.gov/biblio/1244415 https://doi.org/10.3847/0067-0049/224/1/1 unknown http://www.osti.gov/servlets/purl/1244415 https://www.osti.gov/biblio/1244415 https://doi.org/10.3847/0067-0049/224/1/1 doi:10.3847/0067-0049/224/1/1 79 ASTRONOMY AND ASTROPHYSICS 2023 ftosti https://doi.org/10.3847/0067-0049/224/1/1 2023-07-11T09:05:26Z We describe updates to the redMaPPer algorithm, a photometric red-sequence cluster finder specifically designed for large photometric surveys. The updated algorithm is applied to $150\,\mathrm{deg}^2$ of Science Verification (SV) data from the Dark Energy Survey (DES), and to the Sloan Digital Sky Survey (SDSS) DR8 photometric data set. The DES SV catalog is locally volume limited, and contains 786 clusters with richness $\lambda>20$ (roughly equivalent to $M_{\mathrm{500c}}\gtrsim10^{14}\,h_{70}^{-1}\,M_{\odot}$) and 0.2 < $z$ <0.9. The DR8 catalog consists of 26311 clusters with 0.08 < $z$ < 0.6, with a sharply increasing richness threshold as a function of redshift for $z\gtrsim 0.35$. The photometric redshift performance of both catalogs is shown to be excellent, with photometric redshift uncertainties controlled at the $\sigma_z/(1+z)\sim 0.01$ level for $z\lesssim0.7$, rising to $\sim0.02$ at $z\sim0.9$ in DES SV. We make use of $Chandra$ and $XMM$ X-ray and South Pole Telescope Sunyaev-Zeldovich data to show that the centering performance and mass--richness scatter are consistent with expectations based on prior runs of redMaPPer on SDSS data. We also show how the redMaPPer photo-$z$ and richness estimates are relatively insensitive to imperfect star/galaxy separation and small-scale star masks. Other/Unknown Material South pole SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) South Pole Lambda ENVELOPE(-62.983,-62.983,-64.300,-64.300) The Astrophysical Journal Supplement Series 224 1 1 |
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SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
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ftosti |
language |
unknown |
topic |
79 ASTRONOMY AND ASTROPHYSICS |
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79 ASTRONOMY AND ASTROPHYSICS Rykoff, E. S. The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data |
topic_facet |
79 ASTRONOMY AND ASTROPHYSICS |
description |
We describe updates to the redMaPPer algorithm, a photometric red-sequence cluster finder specifically designed for large photometric surveys. The updated algorithm is applied to $150\,\mathrm{deg}^2$ of Science Verification (SV) data from the Dark Energy Survey (DES), and to the Sloan Digital Sky Survey (SDSS) DR8 photometric data set. The DES SV catalog is locally volume limited, and contains 786 clusters with richness $\lambda>20$ (roughly equivalent to $M_{\mathrm{500c}}\gtrsim10^{14}\,h_{70}^{-1}\,M_{\odot}$) and 0.2 < $z$ <0.9. The DR8 catalog consists of 26311 clusters with 0.08 < $z$ < 0.6, with a sharply increasing richness threshold as a function of redshift for $z\gtrsim 0.35$. The photometric redshift performance of both catalogs is shown to be excellent, with photometric redshift uncertainties controlled at the $\sigma_z/(1+z)\sim 0.01$ level for $z\lesssim0.7$, rising to $\sim0.02$ at $z\sim0.9$ in DES SV. We make use of $Chandra$ and $XMM$ X-ray and South Pole Telescope Sunyaev-Zeldovich data to show that the centering performance and mass--richness scatter are consistent with expectations based on prior runs of redMaPPer on SDSS data. We also show how the redMaPPer photo-$z$ and richness estimates are relatively insensitive to imperfect star/galaxy separation and small-scale star masks. |
author |
Rykoff, E. S. |
author_facet |
Rykoff, E. S. |
author_sort |
Rykoff, E. S. |
title |
The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data |
title_short |
The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data |
title_full |
The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data |
title_fullStr |
The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data |
title_full_unstemmed |
The redMaPPer Galaxy Cluster Catalog From DES Science Verification Data |
title_sort |
redmapper galaxy cluster catalog from des science verification data |
publishDate |
2023 |
url |
http://www.osti.gov/servlets/purl/1244415 https://www.osti.gov/biblio/1244415 https://doi.org/10.3847/0067-0049/224/1/1 |
long_lat |
ENVELOPE(-62.983,-62.983,-64.300,-64.300) |
geographic |
South Pole Lambda |
geographic_facet |
South Pole Lambda |
genre |
South pole |
genre_facet |
South pole |
op_relation |
http://www.osti.gov/servlets/purl/1244415 https://www.osti.gov/biblio/1244415 https://doi.org/10.3847/0067-0049/224/1/1 doi:10.3847/0067-0049/224/1/1 |
op_doi |
https://doi.org/10.3847/0067-0049/224/1/1 |
container_title |
The Astrophysical Journal Supplement Series |
container_volume |
224 |
container_issue |
1 |
container_start_page |
1 |
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1772819852058165248 |