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CAIXA: a catalogue of AGN in the XMM-Newton archive III. Excess Variance Analysis
We report on the results of the first XMM systematic study of all the radio quiet, X-ray un-obscured AGN. The entire sample consist of 161 sources observed by XMM for more than 10 ks in pointed observations which is the largest sample used so far to study AGN X-ray variability …