How bad could it be? Modelling the 3D complexity of the polarised dust signal using moment expansion

Open Access

Fig. 4.

Comparison of the proxies of complexity, $Δ_{ℓ}^{BB}$ $\Delta _\ell ^{BB}$ (left) and $r_{ν}^{E / B}$ $r^{E/ B}_\nu$ (right), for the three proposed models (A, B, and C), d10 and d12. The black dashed lines in the left panel represent the lower limits on $Δ_{ℓ}^{BB}$ $\Delta _\ell ^{BB}$ set by the analysis of Planck data and taken from Planck Collaboration XI (2020).

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