Planck 2018 results
Free Access

Fig. 14.


Differences between odd (i.e., Surveys 1, 3, 5, and 7) and even (Surveys 2, 4, 6, and 8) surveys in I, Q, and U (from left to right) for the 2015 (upper nine maps) and 2018 (lower nine maps) data releases. These maps are smoothed to 3 deg to reveal large-scale structures.

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