Y. Lu et al., DENSITY AND IONIZATION PARAMETERS OF LINE AND CONTINUUM EMISSION FROMTHE OUTER REGIONS OF ACCRETION DISK IN ACTIVE GALACTIC NUCLEI, Chinese Physics Letters, 15(10), 1998, pp. 778-780
In this paper, the diffusion source model and the structure of magneti
zed accretion disk with self-gravity are used to study the density and
the ionisation parameter of the H-II and H-I zone, of which most lik
ely the broad line emitting region consists. Two different densities a
nd ionization parameters are determined: the first [n(H-II)] and Xi(H-
II), corresponding to the mean density and ionization parameter in the
completely ionized Hn zone, and the second, [n(H-I)] and Xi(H-I*), t
o the mean density and ionization parameters in the H-II zone, and the
second, [n(H-I)] and Xi(H-I*), to the mean density and ionization pa
rameters in the H-I zone.