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- W2064226722 abstract "We report on an X-ray observation of the Seyfert 1.5 galaxy Mrk 6 obtained with the EPIC instruments on board XMM-Newton. Archival BeppoSAX Phoswich Detection System data from 18–120 keV were also used to constrain the underlying hard power-law continuum. The results from our spectral analyses generally favor a double partial-covering model, although other spectral models, such as absorption by a mixture of partially ionized and neutral gas, cannot be firmly ruled out. Our best-fitting model consists of a power law with a photon index of Γ = 1.81 and partial covering with large column densities up to NH ~ 1023 cm-2. We also detect a narrow emission line consistent with Fe Kα fluorescence at 6.45 keV with an equivalent width of 93 eV. Joint analyses of XMM-Newton, ASCA, and BeppoSAX data further provide evidence for both spectral variability (a factor of ~2 change in absorbing column) and absorption-corrected flux variations (by ~60%) during the ~4 yr period probed by the observations." @default.
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- W2064226722 date "2003-07-01" @default.
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- W2064226722 title "Probing the Complex and Variable X-Ray Absorption of Markarian 6 with<i>XMM-Newton</i>" @default.
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