Fig. 21

Top: synthetic Hα surface brightness image along an arbitrary line of sight during the two characteristic late stages: the filamentary phase (left; run with Tat ≃ 0.7) and the disk-dominated phase (right; Tat ≃ 3). The resolution mimics that of SOAR, ~0.2 arcsec. Bottom: observed SOAR Hα+[NII] images from Werner et al. (2014) showing the two analogous stages in two real massive elliptical galaxies: CCA (left; NGC 5044) and the rotating disk (right; NGC 6868).
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