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- W2932746319 abstract "The BeppoSAX observations of the bright Narrow-Line Seyfert 1 galaxy Ark 564 are presented along with a high quality optical spectrum taken at the 1.5 m telescope at La Silla. The 0.1-10 keV X-ray spectrum is characterized by a strong soft component which is best described by blackbody-like emission with a temperature of ∼160 eV. At higher energies a steep ( 2.4) power-law tail is present. There is evidence of an ionized reflector in the form of an iron line and edge. We do not find significant evidence of soft X-ray features if the spectrum is modelled with a two component continuum. The optical and X-ray spectral properties support the hypothesis of a high accretion rate onto a low mass black hole." @default.
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- W2932746319 date "2001-01-01" @default.
- W2932746319 modified "2023-10-14" @default.
- W2932746319 title "BeppoSAX observations of Narrow-Line Seyfert 1 galaxies" @default.
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- W2932746319 doi "https://doi.org/10.1051/0004-6361:20000152" @default.
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