We report the XMM-Newton discovery of a X-ray bright AGN pair in theinteracting galaxy system ESO509-IG066. Both galaxies host an X-ray luminous(L_X ~10^{43} erg/s) obscured nucleus with column densities N_H~7x10^{22} andN_H~5x10^{21} atoms/cm/cm. The optical morphology is only mildly disturbed,suggesting a merging system in the early stage of its evolution. Still, thepair is probably gravitationally bound, and might eventually evolve into acompact, fully gas embedded systems such as NGC6240.
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