AGN Emission Lines by Hagai Netzer (source code)

= AGN Emission Lines by Hagai Netzer
{c}
{tag=Work by Hagai Netzer}

https://ned.ipac.caltech.edu/level5/March02/Netzer/Netzer_contents.html[Authored1990 chapter archived by NED]

By <Hagai Netzer>. Section2.2 explains collisional excitation, critical <density> and high-<density> thermalized populations.

https://ned.ipac.caltech.edu/level5/March02/Netzer/Netzer2_2.html[Section2.2: excitation and cooling]