CAIXA: a Catalogue of AGN In the XMM-Newton Archive - Correlations
Stefano Bianchi, Nuria Fonseca Bonilla, Matteo Guainazzi, Giorgio, Matt, Gabriele Ponti

TL;DR
CAIXA is the largest catalog of high-quality X-ray spectra of radio-quiet, unobscured AGN from XMM-Newton, enabling systematic correlation studies between X-ray and multiwavelength properties.
Contribution
It provides a homogeneous dataset of 156 AGN spectra with multiwavelength data, facilitating new correlation analyses and insights into AGN properties.
Findings
Identification of significant correlations between X-ray spectral features and multiwavelength data.
Largest homogeneous catalog of high signal-to-noise AGN X-ray spectra.
Systematic analysis of AGN properties at a large scale.
Abstract
We presented CAIXA, a Catalogue of AGN in the XMM-Newton Archive, in Bianchi et al. (2009). It consists of all the radio-quiet X-ray unobscured (N cm) active galactic nuclei (AGN) observed by XMM-Newton in targeted observations, whose data are public as of March 2007. With its 156 sources, this is the largest catalogue of high signal-to-noise X-ray spectra of AGN. All the EPIC pn spectra of the sources in CAIXA were extracted homogeneously and a baseline model was applied in order to derive their basic X-ray properties. These data are complemented by multiwavelength data found in the literature: Black Hole masses, Full Width Half Maximum (FWHM) of Hbeta, radio and optical fluxes. A systematic search for correlations between the X-ray spectral properties and the multiwavelength data was performed for the sources in CAIXA. We discuss here some of the…
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