U Gem became the first CV to be discovered, and as such it also became the prototypical “UG” sub-type of dwarf novae (i.e. DNe with period P > 3 hrs).
U Gem became the first CV to be discovered, and as such it also became the prototypical “UG” sub-type of dwarf novae (i.e. DNe with period P > 3 hrs).