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Fig. 3.
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Pixel negative S/N distribution in the match-filtered N2CLS 2 mm signal map (blue) and null map (red). The high negative S/N tail is due to point sources. The hatched gray area shows a small positive S/N tail up to S/N ∼ 5, indicating strong negative signal in the 2 mm signal map, as expected for the SZ sources.
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