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Which observational differences are still left between Seyfert 1 and Seyfert 2 nuclei?
Reviews the different observational properties used, up to now, to discriminate between Seyfert 1 and Seyfert 2: emission lines widths, Fe II lines, intensity ration (OIII) 500.7 nm/H beta , radio, infrared, visible, UV and X-emission. Most of these parameters exhibit a more or less continuous distr...
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| Lenguaje: | eng |
| Publicado: |
1979
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| Acceso en línea: | http://cds.cern.ch/record/880094 |