An XMM-Newton observation of the Seyfert 1 galaxy 1H 0419-577 in an extreme low state

  title={An XMM-Newton observation of the Seyfert 1 galaxy 1H 0419-577 in an extreme low state},
  author={Kenneth Alwyne Pounds and J. N. Reeves and Kim L Page and P. T. O'Brien University of Leicester and Goddard Space Flight Center},
Previous observations of the luminous Seyfert 1 galaxy 1H 0419-577 have found its X-ray spectrum to range from that of a typical Seyfert 1 galaxy with a 2-10 keV power-law index of Γ ~ 1.9 to a much flatter power law of Γ ~ 1.5 or less. We report here a new XMM-Newton observation that allows the low-state spectrum to be studied in much greater detail than hitherto. We find a very hard spectrum (Γ ~ 1.0), which exhibits broad features that can be modeled with the addition of an extreme… 

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