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- W2094797046 abstract "view Abstract Citations (144) References (27) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The optical spectra of narrow-line X-ray galaxies Shuder, J. M. Abstract Spectrophotometric results of narrow-emission-line galaxies known to be X-ray sources are discussed. In many respects, the spectra of these galaxies are similar to Seyfert type 2 and other narrow-emission-line galaxies. However, evidence for a high level of ionization is indicated in two objects (NGC 2110 and NGC 2992) by the presence of forbidden Fe X 6374 A, and in four of the five survey objects a broad H-alpha component has been found. The FWZI of H-alpha in these objects ranges from 2300 to 5700 contrasted with the forbidden lines, which have a FWZI of 1000 to 1500 km/s. This finding is consistent with Seyfert type 1 and broad-line radio galaxies, which show an association between a broad-line component (at least at H-alpha) and the emission of X-rays. Publication: The Astrophysical Journal Pub Date: August 1980 DOI: 10.1086/158204 Bibcode: 1980ApJ...240...32S Keywords: Astronomical Spectroscopy; Emission Spectra; Line Spectra; Seyfert Galaxies; X Ray Astronomy; X Ray Sources; Forbidden Bands; Galactic Structure; H Alpha Line; Radio Galaxies; Spectral Line Width; Spectrum Analysis; Astrophysics full text sources ADS | data products NED (8)" @default.
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- W2094797046 date "1980-08-01" @default.
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- W2094797046 title "The optical spectra of narrow-line X-ray galaxies" @default.
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