Patrick Schmeer wrote (vsnet-obs 4179):
> Is HL CMa a UGZ or UGSS dwarf nova?
Examination of the AFOEV and VSOLJ light curves (1982-now) shows only one standstill in 1982 April. HL CMa may be a Z Cam star having a low frequency of standstills.
Regards,
Taichi Kato