Planck early results
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Fig. 7

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Difference between the Planck measurement and the X-ray based prediction in units of the measurement statistical error σi (pure measurement uncertainties based on MMF noise estimates) as a function of X-ray luminosity. Labelled black points denote objects with a difference larger than 5σi and are further discussed in the text. Clusters with SZ signal possibly contaminated by radio sources (see discussion in Sect. 6) are shown in red and labelled by their name.

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