Fig. 16.

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Bℓ1 + ℓ2 + ℓ3 = N for N = 30, for the GNILC reconstructed maps as a function of the channel number. The results are plotted for different projected components from our foregrounds as well as the noise and 21 cm input field, and show that the residuals can be compared to the original values expected within the 21 cm field and noise realization.
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