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Reprocessing of Uv and Line Emission in AGN Accretion Discs

Published online by Cambridge University Press:  19 July 2016

Evlabia Rokaki  and
Catherine Boisson
Evlabia Rokaki
Affiliation:
QMW, Univ. of London, Dept of Physics, Mile End Road, London E1 4NS, UK
Catherine Boisson
Affiliation:
DAEC, Observatoire de Paris-Meudon, Meudon, France

Extract

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It is commonly admitted that AGN contain a massive black hole fuelled most likely by an accretion disc. Several spectral features of the AGN, as the continuum excess in the UV and the broad line spectrum, involving different physical processes of emission (thermal for the UV continuum, photoionisation for the line spectrum) have been proposed as signatures of the disc. Physical parameters of the nucleus (as the mass of the black hole, M, the disc inclination, i, and accretion rate, Ṁ) are better determined when these two spectral features are modelled simultaneously. Here, we present results from the disc modelling (see) of the UV and broad Hβ emission of the 22 Seyfert 1 galaxies in a complete AGN sample selected in a hard X-ray survey.

Type
Poster Contributions: Disks Structure and Emission
Information
Symposium - International Astronomical Union , Volume 159: Multi-Wavelength Continuum Emission of AGN , 1994 , pp. 489
Copyright
Copyright © Kluwer 1994 

References

1. Rokaki, E., Boisson, C., and Collin-Souffrin, S., 1992, A&A 253, 57 Google Scholar
2. Piccinotti, G., Mushotzky, R.F., Boldt, E.A., et al., 1982 ApJ 253, 485 Google Scholar
3. Rokaki, E., Collin-Souffrin, S. and Magnan, C., 1993, A&A 272, 8 Google Scholar