Spherical accretion of massive black holes: A model for galactic nuclei |
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| Authors: | L. Maraschi G. C. Perola A. Treves |
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| Affiliation: | 1. Istituto di Fisica dell''Università, Frascati, Italy;2. Laboratorio di Fisica Cosmica e Tecnologie Relative del CNR, Frascati, Italy |
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| Abstract: | The possibility of explaining the continuous emission of active galactic nuclei in the frame of a model of spherical accretion onto a massive black hole is discussed. Cool inhomogeneities (T 104°K) within the accretion flow could be responsible for the broad line emission if half of the accreting matter is in the dense phase. A crucial test of this hypothesis is the expected correlation between the ratio of the luminosity in lines to the total luminosity and the hardness of the continuous spectrum. |
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