Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future

P. S. Chaubal; C. L. Reichardt; N. Gupta; B. Ansarinejad; K. Aylor; L. Balkenhol; E. J. Baxter; F. Bianchini; B. A. Benson; L. E. Bleem; S. Bocquet; J. E. Carlstrom; C. L. Chang; T. M. Crawford; A. T. Crites; T. De Haan; M. A. Dobbs; W. B. Everett; B. Floyd; E. M. George; N. W. Halverson; W. L. Holzapfel; J. D. Hrubes; L. Knox; A. T. Lee; D. Luong-Van; J. J. McMahon; S. S. Meyer; L. M. Mocanu; J. J. Mohr; T. Natoli; S. Padin; C. Pryke; J. E. Ruhl; F. Ruppin; L. Salvati; A. Saro; K. K. Schaffer; E. Shirokoff; Z. Staniszewski; A. A. Stark; J. D. Vieira; R. Williamson

doi:10.3847/1538-4357/ac6a55

Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future

P. S. Chaubal, C. L. Reichardt, N. Gupta, B. Ansarinejad, K. Aylor, L. Balkenhol, E. J. Baxter, F. Bianchini, B. A. Benson, L. E. Bleem, S. Bocquet, J. E. Carlstrom, C. L. Chang, T. M. Crawford, A. T. Crites, T. De Haan, M. A. Dobbs, W. B. Everett, B. Floyd, E. M. GeorgeN. W. Halverson, W. L. Holzapfel, J. D. Hrubes, L. Knox, A. T. Lee, D. Luong-Van, J. J. McMahon, S. S. Meyer, L. M. Mocanu, J. J. Mohr, T. Natoli, S. Padin, C. Pryke, J. E. Ruhl, F. Ruppin, L. Salvati, A. Saro, K. K. Schaffer, E. Shirokoff, Z. Staniszewski, A. A. Stark, J. D. Vieira, R. Williamson

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Abstract

We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of cosmic microwave background (CMB)-cluster lensing data. We explore the cosmological implications of adding mass information from the 3.1σ detection of gravitational lensing of the CMB by galaxy clusters to the Sunyaev-Zel'dovich (SZ) selected galaxy cluster sample from the 2500 deg2 SPT-SZ survey and targeted optical and X-ray follow-up data. In the ΛCDM model, the combination of the cluster sample with the Planck power spectrum measurements prefers σ8ωm/0.30.5=0.831±0.020 . Adding the cluster data reduces the uncertainty on this quantity by a factor of 1.4, which is unchanged whether the 3.1σ CMB-cluster lensing measurement is included or not. We then forecast the impact of CMB-cluster lensing measurements with future cluster catalogs. Adding CMB-cluster lensing measurements to the SZ cluster catalog of the ongoing SPT-3G survey is expected to improve the expected constraint on the dark energy equation of state w by a factor of 1.3 to σ(w) = 0.19. We find the largest improvements from CMB-cluster lensing measurements to be for σ 8, where adding CMB-cluster lensing data to the cluster number counts reduces the expected uncertainty on σ 8 by respective factors of 2.4 and 3.6 for SPT-3G and CMB-S4.

Original language	English (US)
Article number	139
Journal	Astrophysical Journal
Volume	931
Issue number	2
DOIs	https://doi.org/10.3847/1538-4357/ac6a55
State	Published - Jun 1 2022
Externally published	Yes

Bibliographical note

Funding Information:
The South Pole Telescope program is supported by the National Science Foundation (NSF) through award OPP-1852617. Argonne National Laboratory’s work was supported by the U.S. Department of Energy, Office of High Energy Physics, under contract DE-AC02-06CH11357. We also acknowledge support from the Argonne Center for Nanoscale Materials. The Melbourne group acknowledges support from the Australian Research Council’s Discovery Projects scheme (DP200101068). A.A.S. acknowledges support by U.S. National Science Foundation grant AST-1814719. A.S. is supported by the FARE-MIUR grant “ClustersXEuclid” R165SBKTMA, INFN InDark, and by the ERC-StG “ClustersXCosmo” grant agreement 716762. The data analysis pipeline also uses the scientific Python stack (Jones et al. ; Hunter ; van der Walt et al. ). We acknowledge the use of the Spartan, a high performance computing facility at the University of Melbourne (Lafayette et al. ).

Publisher Copyright:
© 2022. The Author(s). Published by the American Astronomical Society.

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Chaubal, P. S., Reichardt, C. L., Gupta, N., Ansarinejad, B., Aylor, K., Balkenhol, L., Baxter, E. J., Bianchini, F., Benson, B. A., Bleem, L. E., Bocquet, S., Carlstrom, J. E., Chang, C. L., Crawford, T. M., Crites, A. T., De Haan, T., Dobbs, M. A., Everett, W. B., Floyd, B., ... Williamson, R. (2022). Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future. Astrophysical Journal, 931(2), Article 139. https://doi.org/10.3847/1538-4357/ac6a55

Chaubal, PS, Reichardt, CL, Gupta, N, Ansarinejad, B, Aylor, K, Balkenhol, L, Baxter, EJ, Bianchini, F, Benson, BA, Bleem, LE, Bocquet, S, Carlstrom, JE, Chang, CL, Crawford, TM, Crites, AT, De Haan, T, Dobbs, MA, Everett, WB, Floyd, B, George, EM, Halverson, NW, Holzapfel, WL, Hrubes, JD, Knox, L, Lee, AT, Luong-Van, D, McMahon, JJ, Meyer, SS, Mocanu, LM, Mohr, JJ, Natoli, T, Padin, S, Pryke, C, Ruhl, JE, Ruppin, F, Salvati, L, Saro, A, Schaffer, KK, Shirokoff, E, Staniszewski, Z, Stark, AA, Vieira, JD & Williamson, R 2022, 'Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future', Astrophysical Journal, vol. 931, no. 2, 139. https://doi.org/10.3847/1538-4357/ac6a55

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title = "Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future",

abstract = "We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of cosmic microwave background (CMB)-cluster lensing data. We explore the cosmological implications of adding mass information from the 3.1σ detection of gravitational lensing of the CMB by galaxy clusters to the Sunyaev-Zel'dovich (SZ) selected galaxy cluster sample from the 2500 deg2 SPT-SZ survey and targeted optical and X-ray follow-up data. In the ΛCDM model, the combination of the cluster sample with the Planck power spectrum measurements prefers σ8ωm/0.30.5=0.831±0.020 . Adding the cluster data reduces the uncertainty on this quantity by a factor of 1.4, which is unchanged whether the 3.1σ CMB-cluster lensing measurement is included or not. We then forecast the impact of CMB-cluster lensing measurements with future cluster catalogs. Adding CMB-cluster lensing measurements to the SZ cluster catalog of the ongoing SPT-3G survey is expected to improve the expected constraint on the dark energy equation of state w by a factor of 1.3 to σ(w) = 0.19. We find the largest improvements from CMB-cluster lensing measurements to be for σ 8, where adding CMB-cluster lensing data to the cluster number counts reduces the expected uncertainty on σ 8 by respective factors of 2.4 and 3.6 for SPT-3G and CMB-S4.",

author = "Chaubal, {P. S.} and Reichardt, {C. L.} and N. Gupta and B. Ansarinejad and K. Aylor and L. Balkenhol and Baxter, {E. J.} and F. Bianchini and Benson, {B. A.} and Bleem, {L. E.} and S. Bocquet and Carlstrom, {J. E.} and Chang, {C. L.} and Crawford, {T. M.} and Crites, {A. T.} and {De Haan}, T. and Dobbs, {M. A.} and Everett, {W. B.} and B. Floyd and George, {E. M.} and Halverson, {N. W.} and Holzapfel, {W. L.} and Hrubes, {J. D.} and L. Knox and Lee, {A. T.} and D. Luong-Van and McMahon, {J. J.} and Meyer, {S. S.} and Mocanu, {L. M.} and Mohr, {J. J.} and T. Natoli and S. Padin and C. Pryke and Ruhl, {J. E.} and F. Ruppin and L. Salvati and A. Saro and Schaffer, {K. K.} and E. Shirokoff and Z. Staniszewski and Stark, {A. A.} and Vieira, {J. D.} and R. Williamson",

note = "Funding Information: The South Pole Telescope program is supported by the National Science Foundation (NSF) through award OPP-1852617. Argonne National Laboratory{\textquoteright}s work was supported by the U.S. Department of Energy, Office of High Energy Physics, under contract DE-AC02-06CH11357. We also acknowledge support from the Argonne Center for Nanoscale Materials. The Melbourne group acknowledges support from the Australian Research Council{\textquoteright}s Discovery Projects scheme (DP200101068). A.A.S. acknowledges support by U.S. National Science Foundation grant AST-1814719. A.S. is supported by the FARE-MIUR grant “ClustersXEuclid” R165SBKTMA, INFN InDark, and by the ERC-StG “ClustersXCosmo” grant agreement 716762. The data analysis pipeline also uses the scientific Python stack (Jones et al. ; Hunter ; van der Walt et al. ). We acknowledge the use of the Spartan, a high performance computing facility at the University of Melbourne (Lafayette et al. ). Publisher Copyright: {\textcopyright} 2022. The Author(s). Published by the American Astronomical Society.",

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T2 - Results from the SPT-SZ Survey and Forecasts for the Future

AU - Chaubal, P. S.

AU - Reichardt, C. L.

AU - Gupta, N.

AU - Ansarinejad, B.

AU - Aylor, K.

AU - Balkenhol, L.

AU - Baxter, E. J.

AU - Bianchini, F.

AU - Benson, B. A.

AU - Bleem, L. E.

AU - Bocquet, S.

AU - Carlstrom, J. E.

AU - Chang, C. L.

AU - Crawford, T. M.

AU - Crites, A. T.

AU - De Haan, T.

AU - Dobbs, M. A.

AU - Everett, W. B.

AU - Floyd, B.

AU - George, E. M.

AU - Halverson, N. W.

AU - Holzapfel, W. L.

AU - Hrubes, J. D.

AU - Knox, L.

AU - Lee, A. T.

AU - Luong-Van, D.

AU - McMahon, J. J.

AU - Meyer, S. S.

AU - Mocanu, L. M.

AU - Mohr, J. J.

AU - Natoli, T.

AU - Padin, S.

AU - Pryke, C.

AU - Ruhl, J. E.

AU - Ruppin, F.

AU - Salvati, L.

AU - Saro, A.

AU - Schaffer, K. K.

AU - Shirokoff, E.

AU - Staniszewski, Z.

AU - Stark, A. A.

AU - Vieira, J. D.

AU - Williamson, R.

N1 - Funding Information: The South Pole Telescope program is supported by the National Science Foundation (NSF) through award OPP-1852617. Argonne National Laboratory’s work was supported by the U.S. Department of Energy, Office of High Energy Physics, under contract DE-AC02-06CH11357. We also acknowledge support from the Argonne Center for Nanoscale Materials. The Melbourne group acknowledges support from the Australian Research Council’s Discovery Projects scheme (DP200101068). A.A.S. acknowledges support by U.S. National Science Foundation grant AST-1814719. A.S. is supported by the FARE-MIUR grant “ClustersXEuclid” R165SBKTMA, INFN InDark, and by the ERC-StG “ClustersXCosmo” grant agreement 716762. The data analysis pipeline also uses the scientific Python stack (Jones et al. ; Hunter ; van der Walt et al. ). We acknowledge the use of the Spartan, a high performance computing facility at the University of Melbourne (Lafayette et al. ). Publisher Copyright: © 2022. The Author(s). Published by the American Astronomical Society.

PY - 2022/6/1

Y1 - 2022/6/1

N2 - We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of cosmic microwave background (CMB)-cluster lensing data. We explore the cosmological implications of adding mass information from the 3.1σ detection of gravitational lensing of the CMB by galaxy clusters to the Sunyaev-Zel'dovich (SZ) selected galaxy cluster sample from the 2500 deg2 SPT-SZ survey and targeted optical and X-ray follow-up data. In the ΛCDM model, the combination of the cluster sample with the Planck power spectrum measurements prefers σ8ωm/0.30.5=0.831±0.020 . Adding the cluster data reduces the uncertainty on this quantity by a factor of 1.4, which is unchanged whether the 3.1σ CMB-cluster lensing measurement is included or not. We then forecast the impact of CMB-cluster lensing measurements with future cluster catalogs. Adding CMB-cluster lensing measurements to the SZ cluster catalog of the ongoing SPT-3G survey is expected to improve the expected constraint on the dark energy equation of state w by a factor of 1.3 to σ(w) = 0.19. We find the largest improvements from CMB-cluster lensing measurements to be for σ 8, where adding CMB-cluster lensing data to the cluster number counts reduces the expected uncertainty on σ 8 by respective factors of 2.4 and 3.6 for SPT-3G and CMB-S4.

AB - We show the improvement to cosmological constraints from galaxy cluster surveys with the addition of cosmic microwave background (CMB)-cluster lensing data. We explore the cosmological implications of adding mass information from the 3.1σ detection of gravitational lensing of the CMB by galaxy clusters to the Sunyaev-Zel'dovich (SZ) selected galaxy cluster sample from the 2500 deg2 SPT-SZ survey and targeted optical and X-ray follow-up data. In the ΛCDM model, the combination of the cluster sample with the Planck power spectrum measurements prefers σ8ωm/0.30.5=0.831±0.020 . Adding the cluster data reduces the uncertainty on this quantity by a factor of 1.4, which is unchanged whether the 3.1σ CMB-cluster lensing measurement is included or not. We then forecast the impact of CMB-cluster lensing measurements with future cluster catalogs. Adding CMB-cluster lensing measurements to the SZ cluster catalog of the ongoing SPT-3G survey is expected to improve the expected constraint on the dark energy equation of state w by a factor of 1.3 to σ(w) = 0.19. We find the largest improvements from CMB-cluster lensing measurements to be for σ 8, where adding CMB-cluster lensing data to the cluster number counts reduces the expected uncertainty on σ 8 by respective factors of 2.4 and 3.6 for SPT-3G and CMB-S4.

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Improving Cosmological Constraints from Galaxy Cluster Number Counts with CMB-cluster-lensing Data: Results from the SPT-SZ Survey and Forecasts for the Future

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