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Physical Conditions of the Coronal Line Region in Seyfert Galaxies

Ferland, Gary J.; Korista, Kirk T.; Ferguson, Jason W.

The launch of the Infrared Space Observatory and new atomic data have opened a window for the study of high-ionization gas in active galactic nuclei (AGNs). We present the results of a large number of photoionization simulations of the ``coronal line'' region in AGNs, employing new atomic data from the Opacity and Iron Projects. Our grid of line e…