106 citations · 375 across the 12 of their papers we have counts for
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astro-ph2007★ 42 cited
Revisiting He-like X-ray Emission Line Plasma Diagnostics
R. L. Porter, G. J. Ferland
A complete model of helium-like line and continuum emission has been incorporated into the plasma simulation code Cloudy. All elements between He and Zn are treated, any number of…
astro-ph1997★ 106 cited
Locally Optimally-emitting Clouds and the Narrow Emission Lines in Seyfert Galaxies
Jason W. Ferguson, Kirk T. Korista, Jack A. Baldwin +1
The narrow emission line spectra of active galactic nuclei are not accurately described by simple photoionization models of single clouds. Recent Hubble Space Telescope images of S…