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Title: Constraints on Cosmological Parameters from the Angular Power Spectrum of a Combined 2500 deg2 SPT-SZ and Planck Gravitational Lensing Map

Journal Article · · The Astrophysical Journal (Online)
ORCiD logo [1]; ORCiD logo [2];  [3]; ORCiD logo [4];  [5];  [6];  [6];  [6];  [7]; ORCiD logo [1]; ORCiD logo [8];  [9]; ORCiD logo [10];  [11];  [12]; ORCiD logo [13];  [12];  [14];  [6]; ORCiD logo [15] more »;  [8];  [14];  [8];  [3];  [16];  [8];  [8]; ORCiD logo [8];  [17];  [8];  [8];  [18];  [19];  [8];  [20]; ORCiD logo [21];  [22];  [23];  [24];  [25];  [26]; ORCiD logo [27];  [28];  [29]; ORCiD logo [30];  [8]; ORCiD logo [8] « less
  1. McGill Univ., Montreal, QC (Canada)
  2. McGill Univ., Montreal, QC (Canada); Stanford Univ., Stanford, CA (United States)
  3. Univ. of California, Davis, CA (United States)
  4. Univ. of Pennsylvania, Philadelphia, PA (United States); Univ. of Chicago, Chicago, IL (United States)
  5. Univ. of Chicago, Chicago, IL (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
  6. Univ. of Chicago, Chicago, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  7. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  8. Univ. of Chicago, Chicago, IL (United States)
  9. Univ. of Chicago, Chicago, IL (United States); California Inst. of Technology (CalTech), Pasadena, CA (United States)
  10. McGill Univ., Montreal, QC (Canada); Univ. of California, Berkeley, CA (United States)
  11. McGill Univ., Montreal, QC (Canada); Canadian Institute for Advanced Research, Toronto, ON (Canada)
  12. Univ. of Colorado, Boulder, CO (United States)
  13. Univ. of California, Berkeley, CA (United States); European Southern Observatory, Garching (Germany)
  14. Univ. of California, Berkeley, CA (United States)
  15. McGill Univ., Montreal, QC (Canada); Canadian Institute for Advanced Research, Toronto, ON (Canada); Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States)
  16. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  17. Univ. of Michigan, Ann Arbor, MI (United States)
  18. Ludwig-Maximilians-Univ., Munchen (Germany); Excellence Cluster Universe, Garching (Germany); Max-Planck-Institut fur extraterrestrische Physik, Garching (Germany)
  19. Univ. of Chicago, Chicago, IL (United States); Univ. of Toronto, Toronto, ON (Canada)
  20. Univ. of Minnesota, Minneapolis, MN (United States)
  21. Univ. of California, Berkeley, CA (United States); Univ. of Melbourne, Parkville, VIC (Australia)
  22. Case Western Reserve Univ., Cleveland, OH (United States)
  23. Univ. of Colorado, Boulder, CO (United States); Case Western Reserve Univ., Cleveland, OH (United States)
  24. Univ. of Chicago, Chicago, IL (United States); School of the Art Institute of Chicago, Chicago, IL (United States)
  25. Univ. of Chicago, Chicago, IL (United States); Univ. of California, Berkeley, CA (United States)
  26. Case Western Reserve Univ., Cleveland, OH (United States); California Inst. of Technology (CalTech), Pasadena, CA (United States)
  27. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)
  28. Stanford Univ., Stanford, CA (United States); Univ. of Chicago, Chicago, IL (United States)
  29. Univ. of Toronto, Toronto, ON (Canada)
  30. Univ. of Illinois at Urbana-Champaign, Urbana, IL (United States)
+ Show Author Affiliations

We report constraints on cosmological parameters from the angular power spectrum of a cosmic microwave background (CMB) gravitational lensing potential map created using temperature data from 2500 deg2 of South Pole Telescope (SPT) data supplemented with data from Planck in the same sky region, with the statistical power in the combined map primarily from the SPT data. We fit the lensing power spectrum to a model including cold dark matter and a cosmological constant (λCDM), and to models with single-parameter extensions to λCDM. We find constraints that are comparable to and consistent with those found using the full-sky Planck CMB lensing data, e.g., σ8ωm0.25 = 0.598 ± 0.024 from the lensing data alone with weak priors placed on other parameters. Combining with primary CMB data, we explore single-parameter extensions to λCDM. We find or ωk = -0.012-0.0230.021 or Mv < 0.70 eV at 95%25 confidence, in good agreement with results including the lensing potential as measured by Planck. We include two parameters that scale the effect of lensing on the CMB: AL, which scales the lensing power spectrum in both the lens reconstruction power and in the smearing of the acoustic peaks, and Aφφ, which scales only the amplitude of the lensing reconstruction power spectrum. We find Aφφ × AL = 1.01 ± 0.08 for the lensing map made from combined SPT and Planck data, indicating that the amount of lensing is in excellent agreement with expectations from the observed CMB angular power spectrum when not including the information from smearing of the acoustic peaks.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); SLAC National Accelerator Lab., Menlo Park, CA (United States); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF); Gordon and Betty Moore Foundation; Natural Sciences and Engineering Research Council of Canada (NSERC)
Contributing Organization:
SPT
Grant/Contract Number:
AC02-07CH11359; AC02-06CH11357; AC02-05CH11231
OSTI ID:
1431574
Alternate ID(s):
OSTI ID: 1460984; OSTI ID: 1490702
Report Number(s):
FERMILAB-PUB-17-608-AE; arXiv:1712.07541; 1644334; TRN: US1802319
Journal Information:
The Astrophysical Journal (Online), Vol. 860, Issue 2; ISSN 1538-4357
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 20 works
Citation information provided by
Web of Science

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A bias to CMB lensing measurements from the bispectrum of large-scale structure text January 2016
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Measurements of the Temperature and E-Mode Polarization of the CMB from 500 Square Degrees of SPTpol Data text January 2017
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Fast estimation of polarization power spectra using correlation functions text January 2003
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Cited By (7)

CMB lensing reconstruction biases in cross-correlation with large-scale structure probes journal October 2019
Dark Energy Survey Year 1 results: constraints on intrinsic alignments and their colour dependence from galaxy clustering and weak lensing journal August 2019
Constraints on Cosmological Parameters from the 500 deg 2 SPTPOL Lensing Power Spectrum journal January 2020
Maps of the Southern Millimeter-wave Sky from Combined 2500 deg 2 SPT-SZ and Planck Temperature Data journal November 2018
On the effect of non-Gaussian lensing deflections on CMB lensing measurements text January 2018
Dark Energy Survey Year 1 Results: Constraints on Intrinsic Alignments and their Colour Dependence from Galaxy Clustering and Weak Lensing text January 2018
Constraints on Cosmological Parameters from the 500 deg$^2$ SPTpol Lensing Power Spectrum text January 2019

Figures / Tables (8)

Figure 1(p. 3)figure Figure 1
Figure 2(p. 5)figure Figure 2
Table 1(p. 5)table Table 1
Figure 3(p. 6)figure Figure 3
Figure 4(p. 7)figure Figure 4
Figure 5(p. 8)figure Figure 5
Figure 6(p. 8)figure Figure 6
Figure 7(p. 8)figure Figure 7

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
cosmic background radiation
cosmological parameters
gravitational lensing
weak