Planck 2015 results
Free Access

Fig. 15


A single column of the 70-GHz full-mission noise covariance matrix. The reference pixel is pixel 1248 in the HEALPix nested pixelization scheme, centred at (348.̊8, 12.̊0). The noise covariance matrix has been normalized to show correlation coefficients. The reference pixel is set to zero to highlight more of the finer details of the correlation structure.

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