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Title: Sunyaev–Zel’dovich effect and X-ray scaling relations from weak lensing mass calibration of 32 South Pole Telescope selected galaxy clusters

Abstract

Uncertainty in the mass-observable scaling relations is currently the limiting factor for galaxy cluster based cosmology. Weak gravitational lensing can provide a direct mass calibration and reduce the mass uncertainty. We present new ground-based weak lensing observations of 19 South Pole Telescope (SPT) selected clusters and combine them with previously reported space-based observations of 13 galaxy clusters to constrain the cluster mass scaling relations with the Sunyaev-Zel'dovich effect (SZE), the cluster gas mass $$M_\mathrm{gas}$$, and $$Y_\mathrm{X}$$, the product of $$M_\mathrm{gas}$$ and X-ray temperature. We extend a previously used framework for the analysis of scaling relations and cosmological constraints obtained from SPT-selected clusters to make use of weak lensing information. Here, we introduce a new approach to estimate the effective average redshift distribution of background galaxies and quantify a number of systematic errors affecting the weak lensing modelling. These errors include a calibration of the bias incurred by fitting a Navarro-Frenk-White profile to the reduced shear using $N$-body simulations. We blind the analysis to avoid confirmation bias. We are able to limit the systematic uncertainties to 6.4% in cluster mass (68% confidence). Our constraints on the mass-X-ray observable scaling relations parameters are consistent with those obtained by earlier studies, and our constraints for the mass-SZE scaling relation are consistent with the the simulation-based prior used in the most recent SPT-SZ cosmology analysis. We can now replace the external mass calibration priors used in previous SPT-SZ cosmology studies with a direct, internal calibration obtained on the same clusters.

Authors:
 [1];  [2];  [3];  [4]; ORCiD logo [5];  [1];  [6];  [7];  [8];  [9];  [2];  [10];  [8]; ORCiD logo [1];  [1];  [11];  [12];  [13];  [1];  [14] more »; ORCiD logo [15];  [16];  [8]; ORCiD logo [17];  [18]; ORCiD logo [17];  [19];  [20];  [21];  [1];  [22] « less
  1. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany, Excellence Cluster Universe, Boltzmannstr. 2, D-85748 Garching, Germany
  2. Argonne National Laboratory, High-Energy Physics Division, 9700 S. Cass Avenue, Argonne, IL 60439, USA, Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
  3. Argelander-Institut für Astronomie, Auf dem Hügel 71, D-53121 Bonn, Germany
  4. Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
  5. Leiden Observatory, Leiden University, Niels Bohrweg 2, 2300 CA Leiden, the Netherlands
  6. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany, Excellence Cluster Universe, Boltzmannstr. 2, D-85748 Garching, Germany, Max-Planck-Institut für extraterrestrische Physik, Giessenbachstr., D-85748 Garching, Germany
  7. Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA, SLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USA, Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA
  8. Fermi National Accelerator Laboratory, Batavia, IL 60510-0500, USA
  9. Department of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Physics and Astronomy, University of Missouri, 5110 Rockhill Road, Kansas City, MO 64110, USA, Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA
  10. Kavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USA
  11. Kavli Institute for Cosmological Physics, University of Chicago, 5640 South Ellis Avenue, Chicago, IL 60637, USA, Department of Physics and Astronomy, University of Missouri, 5110 Rockhill Road, Kansas City, MO 64110, USA
  12. Department of Astronomy, University of Florida, Gainesville, FL 32611, USA
  13. Department of Physics, University of California, Berkeley, CA 94720, USA
  14. Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY 11794, USA
  15. Kavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USA, Department of Physics, Stanford University, 382 Via Pueblo Mall, Stanford, CA 94305, USA
  16. Steward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USA
  17. School of Physics, University of Melbourne, Parkville, VIC 3010, Australia
  18. Center for Astrophysics and Space Astronomy, Department of Astrophysical and Planetary Science, University of Colorado, Boulder, CO 80309, USA, NASA Ames Research Center, Moffett Field, CA 94035, USA
  19. Faculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, Germany, Excellence Cluster Universe, Boltzmannstr. 2, D-85748 Garching, Germany, INAF–Osservatorio Astronomico di Trieste, via G. B. Tiepolo 11, I-34143 Trieste, Italy
  20. LSST, 950 North Cherry Avenue, Tucson, AZ 85719, USA
  21. Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA
  22. Department of Physics, Harvard University, 17 Oxford Street, Cambridge, MA 02138, USA
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Org.:
SPT
OSTI Identifier:
1488616
Alternate Identifier(s):
OSTI ID: 1413679
Report Number(s):
arXiv:1711.05344; FERMILAB-PUB-17-557-AE
Journal ID: ISSN 0035-8711
Grant/Contract Number:  
AC02-06CH11357; AC02-07CH11359
Resource Type:
Published Article
Journal Name:
Monthly Notices of the Royal Astronomical Society
Additional Journal Information:
Journal Name: Monthly Notices of the Royal Astronomical Society Journal Volume: 483 Journal Issue: 3; Journal ID: ISSN 0035-8711
Publisher:
Oxford University Press
Country of Publication:
United Kingdom
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; gravitational lensing: weak; galaxies: clusters: general; cosmology: observations

Citation Formats

Dietrich, J. P., Bocquet, S., Schrabback, T., Applegate, D., Hoekstra, H., Grandis, S., Mohr, J. J., Allen, S. W., Bayliss, M. B., Benson, B. A., Bleem, L. E., Brodwin, M., Bulbul, E., Capasso, R., Chiu, I., Crawford, T. M., Gonzalez, A. H., de Haan, T., Klein, M., von der Linden, A., Mantz, A. B., Marrone, D. P., McDonald, M., Raghunathan, S., Rapetti, D., Reichardt, C. L., Saro, A., Stalder, B., Stark, A., Stern, C., and Stubbs, C. Sunyaev–Zel’dovich effect and X-ray scaling relations from weak lensing mass calibration of 32 South Pole Telescope selected galaxy clusters. United Kingdom: N. p., 2018. Web. doi:10.1093/mnras/sty3088.
Dietrich, J. P., Bocquet, S., Schrabback, T., Applegate, D., Hoekstra, H., Grandis, S., Mohr, J. J., Allen, S. W., Bayliss, M. B., Benson, B. A., Bleem, L. E., Brodwin, M., Bulbul, E., Capasso, R., Chiu, I., Crawford, T. M., Gonzalez, A. H., de Haan, T., Klein, M., von der Linden, A., Mantz, A. B., Marrone, D. P., McDonald, M., Raghunathan, S., Rapetti, D., Reichardt, C. L., Saro, A., Stalder, B., Stark, A., Stern, C., & Stubbs, C. Sunyaev–Zel’dovich effect and X-ray scaling relations from weak lensing mass calibration of 32 South Pole Telescope selected galaxy clusters. United Kingdom. doi:https://doi.org/10.1093/mnras/sty3088
Dietrich, J. P., Bocquet, S., Schrabback, T., Applegate, D., Hoekstra, H., Grandis, S., Mohr, J. J., Allen, S. W., Bayliss, M. B., Benson, B. A., Bleem, L. E., Brodwin, M., Bulbul, E., Capasso, R., Chiu, I., Crawford, T. M., Gonzalez, A. H., de Haan, T., Klein, M., von der Linden, A., Mantz, A. B., Marrone, D. P., McDonald, M., Raghunathan, S., Rapetti, D., Reichardt, C. L., Saro, A., Stalder, B., Stark, A., Stern, C., and Stubbs, C. Thu . "Sunyaev–Zel’dovich effect and X-ray scaling relations from weak lensing mass calibration of 32 South Pole Telescope selected galaxy clusters". United Kingdom. doi:https://doi.org/10.1093/mnras/sty3088.
@article{osti_1488616,
title = {Sunyaev–Zel’dovich effect and X-ray scaling relations from weak lensing mass calibration of 32 South Pole Telescope selected galaxy clusters},
author = {Dietrich, J. P. and Bocquet, S. and Schrabback, T. and Applegate, D. and Hoekstra, H. and Grandis, S. and Mohr, J. J. and Allen, S. W. and Bayliss, M. B. and Benson, B. A. and Bleem, L. E. and Brodwin, M. and Bulbul, E. and Capasso, R. and Chiu, I. and Crawford, T. M. and Gonzalez, A. H. and de Haan, T. and Klein, M. and von der Linden, A. and Mantz, A. B. and Marrone, D. P. and McDonald, M. and Raghunathan, S. and Rapetti, D. and Reichardt, C. L. and Saro, A. and Stalder, B. and Stark, A. and Stern, C. and Stubbs, C.},
abstractNote = {Uncertainty in the mass-observable scaling relations is currently the limiting factor for galaxy cluster based cosmology. Weak gravitational lensing can provide a direct mass calibration and reduce the mass uncertainty. We present new ground-based weak lensing observations of 19 South Pole Telescope (SPT) selected clusters and combine them with previously reported space-based observations of 13 galaxy clusters to constrain the cluster mass scaling relations with the Sunyaev-Zel'dovich effect (SZE), the cluster gas mass $M_\mathrm{gas}$, and $Y_\mathrm{X}$, the product of $M_\mathrm{gas}$ and X-ray temperature. We extend a previously used framework for the analysis of scaling relations and cosmological constraints obtained from SPT-selected clusters to make use of weak lensing information. Here, we introduce a new approach to estimate the effective average redshift distribution of background galaxies and quantify a number of systematic errors affecting the weak lensing modelling. These errors include a calibration of the bias incurred by fitting a Navarro-Frenk-White profile to the reduced shear using $N$-body simulations. We blind the analysis to avoid confirmation bias. We are able to limit the systematic uncertainties to 6.4% in cluster mass (68% confidence). Our constraints on the mass-X-ray observable scaling relations parameters are consistent with those obtained by earlier studies, and our constraints for the mass-SZE scaling relation are consistent with the the simulation-based prior used in the most recent SPT-SZ cosmology analysis. We can now replace the external mass calibration priors used in previous SPT-SZ cosmology studies with a direct, internal calibration obtained on the same clusters.},
doi = {10.1093/mnras/sty3088},
journal = {Monthly Notices of the Royal Astronomical Society},
number = 3,
volume = 483,
place = {United Kingdom},
year = {2018},
month = {12}
}

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DOI: https://doi.org/10.1093/mnras/sty3088

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