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Project Supported by
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NSF, National Science Foundation
KICP, Kavli Institute for Cosmological Physics
USAP, United States Antarctic Program
Antarctic Support Contract
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 | Overview |
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This page provides data products associated with the CMB lensing power spectrum measurement using observations from two years of SPT-3G summer field survey over roughly 2640 square degrees described in Levy et al. 2026 (arXiv: 2607.05784). The reconstructed lensing maps are shown below, and the associated CMB lensing and curl power spectra are presented over the multipole range 50 < L <= 2000.
If you have any questions regarding this data set or its use, please contact Srini Raghunathan (sriniraghuna_at_gmail_dot_com).
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Left panel: Fig. 2 of Levy et al. 2026 showing the reconstructed CMB lensing convergence from the three SPT-3G summer fields. Right panel: Fig. 6 of Levy et al. 2026 showing the reconstructed CMB lensing power spectrum from the current work (black) along with other measurements from the literature.
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| Curl bandpowers |
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Fig. 4 of Levy et al. 2026 showing the null tests. The bottom panel corresponds to the curl test and the associated bandpowers from all the fields are provided below.
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Individual curl bandpowers: Columns are Leff, CLκκ, Δ CLκκ
Curl bandpower covariance matrices.
To get the bandpower errors Δ CLκκ, you can do: np.sqrt( np.diag( C_L_cov ) )
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If you have any questions regarding these data products, please contact Srini Raghunathan (sriniraghuna_at_gmail_dot_com).
v1.0: February 10, 2026 - Initial version released with the paper.
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hyde.uchicago.edu