the X-ray emission is strongly beamed, however, and if the beaming axis is perpendicular
to the orbital plane, then that would increase
the ULX’s chance of being observed in such
an apparently unlikely orientation.
Even so, it would be bold to invoke observationally-disfavored beaming to argue that a
system has a reasonable probability of containing an IMBH, given that beaming was first
applied in this conte