K-band GRAVITY/VLTI interferometry of "extreme" Herbig Be stars. The size-luminosity relation revisited

P. Marcos-Arenal, I. Mendigutía, E. Koumpia +7

(Abridged:) It has been hypothesized that the location of Herbig Ae/Be stars (HAeBes) within the empirical relation between the inner disk radius (r${}_{in}$), inferred from K-band i…