Full sky angular power spectra of the moment maps of d12. All the auto-spectra of the expansion up to second order are represented on the left panel while the dominant terms of the (absolute values of the) cross-spectra on the right panel. The full lines represent the BB spectra while the dashed lines represent the EE spectra. The spectra are expressed in units of $(\mu {\mathrm{K}}_{\mathit{CMB}}{)}^2·{\mathrm{K}}^{-2{\alpha }_{\mathcal{T}}}$ where ${\alpha }_{\mathcal{T}}$ is the order of the moment with respect to $\mathcal{T}$.