Fe Kα Line in the Integrated Spectrum of Serendipitous 2XMM Catalog Sources

@article{Chaudhary2010FeKL,
  title={Fe K$\alpha$ Line in the Integrated Spectrum of Serendipitous 2XMM Catalog Sources},
  author={Pooja Chaudhary and Marcella Brusa and G. Hasinger and A. Merloni and Applied Physics and Garching and H Germany and Mpi for Plasma Physics and Excellence Cluster Universe and INAF-Osservatorio astronomico di Bologna and Bologna and Italy.},
  journal={arXiv: Cosmology and Nongalactic Astrophysics},
  year={2010},
  volume={1248},
  pages={407-408}
}
We exploited the 2XMM catalog and archival products to investigate the properties of the Fe Kα line at different redshifts. Individual source spectra are stacked in different redshift and luminosity bins over the range 0<z≤5. We report that the narrow Fe Kα line is significantly detected up to z = 2. We find compelling evidence for the ‘X‐ray Baldwin effect’ (decrease in the Fe Kα line strength with the increase in the X‐ray luminosity) and no evolution of the average rest frame equivalent… 

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