The ($\log R_e$, ${\mu }_e$) Plane of Hot Stellar Systems

Massimo Capaccioli, Nicola Caon, Mauro D'Onofrio

Two families of hot stellar systems, named {\it `ordinary'\/} and {\it 'bright'\/}, are identified in the ($\log R_e,{\mu }_e$) plane built with a luminosity--limited sample of ellipti…