Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data
Here, we present weak lensing (WL) mass constraints for a sample of massive galaxy clusters detected by the South Pole Telescope (SPT) via the Sunyaev-Zel'dovich effect (SZE). We use griz imaging data obtained from the Science Verification (SV) phase of the Dark Energy Survey (DES) to fit the W...
Published in: | Monthly Notices of the Royal Astronomical Society |
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2022
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Online Access: | http://www.osti.gov/servlets/purl/1504477 https://www.osti.gov/biblio/1504477 https://doi.org/10.1093/mnras/stz234 |
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ftosti:oai:osti.gov:1504477 2023-07-30T04:06:55+02:00 Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data Stern, C. Dietrich, J. P. Bocquet, S. Applegate, D. Mohr, J. J. Bridle, S. L. Carrasco Kind, M. Gruen, D. Jarvis, M. Kacprzak, T. Saro, A. Sheldon, E. Troxel, M. A. Zuntz, J. Benson, B. A. Capasso, R. Chiu, I. Desai, S. Rapetti, D. Reichardt, C. L. Saliwanchik, B. Schrabback, T. Gupta, N. Abbott, T. M. C. Abdalla, F. B. Avila, S. Bertin, E. Brooks, D. Burke, D. L. Carnero Rosell, A. Carretero, J. Castander, F. J. D’Andrea, C. B. da Costa, L. N. Davis, C. De Vicente, J. Diehl, H. T. Doel, P. Estrada, J. Evrard, A. E. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Gruendl, R. A. Gschwend, J. Gutierrez, G. Hollowood, D. Jeltema, T. Kirk, D. Kuehn, K. Kuropatkin, N. Lahav, O. Lima, M. Maia, M. A. G. March, M. Melchior, P. Menanteau, F. Miquel, R. Plazas, A. A. Romer, A. K. Sanchez, E. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Smith, M. Smith, R. C. Sobreira, F. Suchyta, E. Swanson, M. E. C. Tarle, G. Walker, A. R. 2022-05-25 application/pdf http://www.osti.gov/servlets/purl/1504477 https://www.osti.gov/biblio/1504477 https://doi.org/10.1093/mnras/stz234 unknown http://www.osti.gov/servlets/purl/1504477 https://www.osti.gov/biblio/1504477 https://doi.org/10.1093/mnras/stz234 doi:10.1093/mnras/stz234 79 ASTRONOMY AND ASTROPHYSICS 2022 ftosti https://doi.org/10.1093/mnras/stz234 2023-07-11T09:32:20Z Here, we present weak lensing (WL) mass constraints for a sample of massive galaxy clusters detected by the South Pole Telescope (SPT) via the Sunyaev-Zel'dovich effect (SZE). We use griz imaging data obtained from the Science Verification (SV) phase of the Dark Energy Survey (DES) to fit the WL shear signal of 33 clusters in the redshift range 0.25 ≤ z ≤ 0.8 with NFW profiles and to constrain a four-parameter SPT mass-observable relation. To account for biases in WL masses, we introduce a WL mass to true mass scaling relation described by a mean bias and an intrinsic, log-normal scatter. We allow for correlated scatter within the WL and SZE mass-observable relations and use simulations to constrain priors on nuisance parameters related to bias and scatter from WL. We constrain the normalization of the $\zeta$-M 500 relation, $\mathrm{A_{SZ}}$ = 12.0$+2.6\atop{-6.7}$ when using a prior on the mass slope $B_\mathrm{SZ}$ from the latest SPT cluster cosmology analysis. Without this prior, we recover $A_\mathrm{SZ}=10.8_{-5.2}^{+2.3}$ and $B_\mathrm{SZ}=1.30_{-0.44}^{+0.22}$. Results in both cases imply lower cluster masses than measured in previous work with and without WL, although the uncertainties are large. The WL derived value of $B_\mathrm{SZ}$ is $\approx 20\%$ lower than the value preferred by the most recent SPT cluster cosmology analysis. The method shown in this work is designed to constrain cluster masses and cosmological parameters simultaneously and will form the basis for subsequent studies that employ the full SPT cluster sample together with the DES data. Other/Unknown Material South pole SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) South Pole Monthly Notices of the Royal Astronomical Society 485 1 69 87 |
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SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
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79 ASTRONOMY AND ASTROPHYSICS |
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79 ASTRONOMY AND ASTROPHYSICS Stern, C. Dietrich, J. P. Bocquet, S. Applegate, D. Mohr, J. J. Bridle, S. L. Carrasco Kind, M. Gruen, D. Jarvis, M. Kacprzak, T. Saro, A. Sheldon, E. Troxel, M. A. Zuntz, J. Benson, B. A. Capasso, R. Chiu, I. Desai, S. Rapetti, D. Reichardt, C. L. Saliwanchik, B. Schrabback, T. Gupta, N. Abbott, T. M. C. Abdalla, F. B. Avila, S. Bertin, E. Brooks, D. Burke, D. L. Carnero Rosell, A. Carretero, J. Castander, F. J. D’Andrea, C. B. da Costa, L. N. Davis, C. De Vicente, J. Diehl, H. T. Doel, P. Estrada, J. Evrard, A. E. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Gruendl, R. A. Gschwend, J. Gutierrez, G. Hollowood, D. Jeltema, T. Kirk, D. Kuehn, K. Kuropatkin, N. Lahav, O. Lima, M. Maia, M. A. G. March, M. Melchior, P. Menanteau, F. Miquel, R. Plazas, A. A. Romer, A. K. Sanchez, E. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Smith, M. Smith, R. C. Sobreira, F. Suchyta, E. Swanson, M. E. C. Tarle, G. Walker, A. R. Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data |
topic_facet |
79 ASTRONOMY AND ASTROPHYSICS |
description |
Here, we present weak lensing (WL) mass constraints for a sample of massive galaxy clusters detected by the South Pole Telescope (SPT) via the Sunyaev-Zel'dovich effect (SZE). We use griz imaging data obtained from the Science Verification (SV) phase of the Dark Energy Survey (DES) to fit the WL shear signal of 33 clusters in the redshift range 0.25 ≤ z ≤ 0.8 with NFW profiles and to constrain a four-parameter SPT mass-observable relation. To account for biases in WL masses, we introduce a WL mass to true mass scaling relation described by a mean bias and an intrinsic, log-normal scatter. We allow for correlated scatter within the WL and SZE mass-observable relations and use simulations to constrain priors on nuisance parameters related to bias and scatter from WL. We constrain the normalization of the $\zeta$-M 500 relation, $\mathrm{A_{SZ}}$ = 12.0$+2.6\atop{-6.7}$ when using a prior on the mass slope $B_\mathrm{SZ}$ from the latest SPT cluster cosmology analysis. Without this prior, we recover $A_\mathrm{SZ}=10.8_{-5.2}^{+2.3}$ and $B_\mathrm{SZ}=1.30_{-0.44}^{+0.22}$. Results in both cases imply lower cluster masses than measured in previous work with and without WL, although the uncertainties are large. The WL derived value of $B_\mathrm{SZ}$ is $\approx 20\%$ lower than the value preferred by the most recent SPT cluster cosmology analysis. The method shown in this work is designed to constrain cluster masses and cosmological parameters simultaneously and will form the basis for subsequent studies that employ the full SPT cluster sample together with the DES data. |
author |
Stern, C. Dietrich, J. P. Bocquet, S. Applegate, D. Mohr, J. J. Bridle, S. L. Carrasco Kind, M. Gruen, D. Jarvis, M. Kacprzak, T. Saro, A. Sheldon, E. Troxel, M. A. Zuntz, J. Benson, B. A. Capasso, R. Chiu, I. Desai, S. Rapetti, D. Reichardt, C. L. Saliwanchik, B. Schrabback, T. Gupta, N. Abbott, T. M. C. Abdalla, F. B. Avila, S. Bertin, E. Brooks, D. Burke, D. L. Carnero Rosell, A. Carretero, J. Castander, F. J. D’Andrea, C. B. da Costa, L. N. Davis, C. De Vicente, J. Diehl, H. T. Doel, P. Estrada, J. Evrard, A. E. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Gruendl, R. A. Gschwend, J. Gutierrez, G. Hollowood, D. Jeltema, T. Kirk, D. Kuehn, K. Kuropatkin, N. Lahav, O. Lima, M. Maia, M. A. G. March, M. Melchior, P. Menanteau, F. Miquel, R. Plazas, A. A. Romer, A. K. Sanchez, E. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Smith, M. Smith, R. C. Sobreira, F. Suchyta, E. Swanson, M. E. C. Tarle, G. Walker, A. R. |
author_facet |
Stern, C. Dietrich, J. P. Bocquet, S. Applegate, D. Mohr, J. J. Bridle, S. L. Carrasco Kind, M. Gruen, D. Jarvis, M. Kacprzak, T. Saro, A. Sheldon, E. Troxel, M. A. Zuntz, J. Benson, B. A. Capasso, R. Chiu, I. Desai, S. Rapetti, D. Reichardt, C. L. Saliwanchik, B. Schrabback, T. Gupta, N. Abbott, T. M. C. Abdalla, F. B. Avila, S. Bertin, E. Brooks, D. Burke, D. L. Carnero Rosell, A. Carretero, J. Castander, F. J. D’Andrea, C. B. da Costa, L. N. Davis, C. De Vicente, J. Diehl, H. T. Doel, P. Estrada, J. Evrard, A. E. Flaugher, B. Fosalba, P. Frieman, J. García-Bellido, J. Gaztanaga, E. Gruendl, R. A. Gschwend, J. Gutierrez, G. Hollowood, D. Jeltema, T. Kirk, D. Kuehn, K. Kuropatkin, N. Lahav, O. Lima, M. Maia, M. A. G. March, M. Melchior, P. Menanteau, F. Miquel, R. Plazas, A. A. Romer, A. K. Sanchez, E. Schindler, R. Schubnell, M. Sevilla-Noarbe, I. Smith, M. Smith, R. C. Sobreira, F. Suchyta, E. Swanson, M. E. C. Tarle, G. Walker, A. R. |
author_sort |
Stern, C. |
title |
Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data |
title_short |
Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data |
title_full |
Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data |
title_fullStr |
Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data |
title_full_unstemmed |
Weak-lensing analysis of SPT-selected galaxy clusters using Dark Energy Survey Science Verification data |
title_sort |
weak-lensing analysis of spt-selected galaxy clusters using dark energy survey science verification data |
publishDate |
2022 |
url |
http://www.osti.gov/servlets/purl/1504477 https://www.osti.gov/biblio/1504477 https://doi.org/10.1093/mnras/stz234 |
geographic |
South Pole |
geographic_facet |
South Pole |
genre |
South pole |
genre_facet |
South pole |
op_relation |
http://www.osti.gov/servlets/purl/1504477 https://www.osti.gov/biblio/1504477 https://doi.org/10.1093/mnras/stz234 doi:10.1093/mnras/stz234 |
op_doi |
https://doi.org/10.1093/mnras/stz234 |
container_title |
Monthly Notices of the Royal Astronomical Society |
container_volume |
485 |
container_issue |
1 |
container_start_page |
69 |
op_container_end_page |
87 |
_version_ |
1772819883769200640 |