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Table 1:

Correlations between the main parameters which characterise the sources in CAIXA.
& $L_{\rm 2-10}...
...& & & & & & & & & --3.2 & & --14.0 & \\
For each pair, the Spearman correlation coefficient $\rho$ is reported (top), along with the logarithm of the NHP (bottom). If the latter is larger than -3.0, we consider the correlation with low significance and an ``X'' is shown. Parameters with no significant correlations, namely ${\it EW}_{6.7}$, ${\it EW}_{6.97}$ and $\Gamma_s$, are not listed in the table. Correlations involving $L_{\rm0.5{-}2}$ or $L_{\rm0.5-2}/L_{\rm 2{-}10}$ were performed with the unobscured sub-catalogue of CAIXA. In this table, we also show trivial correlations for completeness, such as the L0.5-2/L2-10 versus $\Gamma_h$, or the H$\beta $ FWHM versus $L_{\rm bol}/L_{\rm Edd}$ one. See B09 and text for details.

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