160 citations · 792 across the 19 of their papers we have counts for
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astro-ph2008★ 160 cited
Collisional heating as the origin of filament emission in galaxy clusters
G. J. Ferland, A. C. Fabian, N. A. Hatch +4
[Abridged] Photoionization, whether by starlight or other sources, has difficulty in accounting for the observed spectra of the optical filaments that often surround central galaxi…
astro-ph2008★ 74 cited
The origin of molecular hydrogen emission in cooling-flow filaments
G. J. Ferland, A. C. Fabian, N. A. Hatch +4
The optical filaments found in many cooling flows in galaxy clusters consist of low density ($\sim 10^3 \pcc$) cool ( K) gas surrounded by significant amounts of cosmic-…