Physics – Plasma Physics
Scientific paper
Apr 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1121...78i&link_type=abstract
SPACE PLASMA PHYSICS: School of Space Plasma Physics. AIP Conference Proceedings, Volume 1121, pp. 78-82 (2009).
Physics
Plasma Physics
Galactic Nuclei, Circumnuclear Matter, And Bulges, Black Holes, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation, Magnetohydrodynamics And Plasmas
Scientific paper
In order to probe the physical properties of the emitting plasma in the broad line region (BLR) of active galactic nuclei (AGN), we perform a number of numerical simulations with the photoionization code CLOUDY. We investigate the Balmer and helium line ratios in order to find conditions in the BLR where so-called Boltzmann-plot (BP) method is applicable. We found correlations between average temperature, hydrogen density and He II/He I line ratio in the case where BP is present.
Ciroi Stefano
Ilic Dragana
La Mura Giovanni
Popovic Luka C.
Rafanelli Piero
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