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- W1625487961 abstract "We present the results of detailed analyses of good statistical data based on Ginga observations (the energy range: 1.5–30 keV). From these results it has been established that the overall X‐ray spectra of Seyfert 1 galaxies generally rule out a model consisting of a simple power law with uniform absorption plus an iron emission line. Spectra of some Seyfert 1 galaxies (IC4329A, NGC7469,MGC‐6‐30‐15, etc.) are well fitted to the recently favored reflection model, but those of some other Seyfert galaxies (NGC4151, NGC6814, NGC5506, etc.) rule out this simple model. The spectra of NGC4151 and NGC6814 are well fitted to a partial covering model, but that of NGC5506 rules out both the simple reflection model andthe simple partial covering model. However, the spectrum of NGC5506 is well fitted to a composite model consisting of a covered component and a reflection one in additionto a direct one. Generally the most likely picture seems to be that the X‐ray spectrum of Seyfert 1 galaxies consists of four emission..." @default.
- W1625487961 created "2016-06-24" @default.
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- W1625487961 date "1992-01-01" @default.
- W1625487961 modified "2023-09-25" @default.
- W1625487961 title "Hard x-ray observations of AGN - Do accretion disks exist?" @default.
- W1625487961 doi "https://doi.org/10.1063/1.42166" @default.
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