What about the stars
with the harder X-rays and narrower lines: q1 Ori C and t
Sco? 
t ScoŐs Ne X
line overplotted with a delta function model. 
The lines in t
Sco look more like those in coronal sourcesÉand the lines in q1 Ori C arenŐt a whole lot broader. 
Capella
t Sco
z Pup