He II Lyman-alpha radiation transfer and Bowen fluorescence in Seyfert galaxies and quasars

The He II Ly-alpha transfer problem and the related O III and N III Bowen fluorescence mechanisms have been investigated for detailed photoionization models of emission-line clouds in Seyfert galaxies and quasars. Transfer results and/or predicted relative intensities of He II or O III far-ultraviol...

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Veröffentlicht in:	Astrophys. J.; (United States) 1985-12, Vol.299 (2), p.785-798
Hauptverfasser:	EASTMAN, R. G, MACALPINE, G. M
Format:	Artikel
Sprache:	eng
Schlagworte:	640103 - Astrophysics & Cosmology- Quasi-Stellar, Radio, & X-Ray Sources- (-1987) ABUNDANCE Astronomy CHARGED PARTICLES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COSMIC RADIO SOURCES Earth, ocean, space ELEMENTS EMISSION SPECTRA Exact sciences and technology FLUORESCENCE GALAXIES HELIUM IONS IONIZATION IONS LUMINESCENCE LYMAN LINES NITROGEN NONMETALS PHOTOIONIZATION QUASARS Quasars. Active or peculiar galaxies, objects, and systems RADIATION TRANSPORT SEYFERT GALAXIES SPECTRA Stellar systems. Galactic and extragalactic objects and systems. The universe
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