South Pole Telescope (SPT)

2020 Millimeter Wavelength Power Spectra

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This page provides data products associated with the combined SPT-SZ + SPTpol power spectrum measurement over 2500 square degrees described in arXiv:2002.06197, Reichardt et al., 2020. The power spectra at 95, 150 and 220 GHz are presented over the angular multipole range 2000 < ell < 11000, and can be used to study models using the likelihood package provided below.

If you have any questions regarding this data set or its use, please contact Christian Reichardt (christian_dot_reichardt_at_unimelb_dot_edu_dot_au).

Bandpowers for plotting

We provide a text file with the lcenters (at 150x150 GHz), bandpowers for each of the six cross-spectra and 1 sigma uncertainties (from the diagonal of the covariance matrix). This is intended for plotting purposes only; to derive model constraints please use the full covariance matrix provided in the likelihood code below.

Likelihood Code

We provide files in a gzipped tarball here that can be added to the Jul19 version of CosmoMC to interface with the SPT multi-frequency bandpowers discussed above. These files include the SPT likelihood, foreground code, SPT data (bandpowers, covariance matrix, bandpower window functions, and beam error eigenvectors), batch file, and a README with instructions for how to compile CosmoMC with the SPT likelihood.

If you have any questions regarding the use of this likelihood, please contact Christian Reichardt (christian_dot_reichardt_at_unimelb_dot_edu_dot_au).

Additional Details:

  • The information on this page is taken from this SPT site.
  • Reichardt et al. (2020), "An improved measurement of the secondary cosmic microwave background anisotropies from the SPT-SZ + SPTpol surveys", arXiv:2020.06197.

A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Andrew F. Ptak
LAMBDA Director: Dr. Thomas M. Essinger-Hileman
NASA Official: Dr. Thomas M. Essinger-Hileman
Web Curator: Mr. Michael R. Greason