Dwarf novae

cataclysmic variable star, consisting of a close binary star system

star in the constellation Aquila

variable star in the constellation Cygnus

variable star in the constellation Gemini

variable star in the constellation Camelopardalis

star in the constellation Sagitta

star in the constellation Lyra

star in the constellation Ursa Major

star in the constellation Centaurus

thumb|right|upright=1.4|Light curve of eclipsing dwarf nova HT Cassiopeiae during outburst, showing [[eclipses and SU Ursae Majoris-type superhumps]] In astronomy, a superhump is a periodic brightness variation in a cataclysmic variable star system, with a period within a few percent of the orbital period of the system.

variable star in the constellation Andromeda

nova in the constellation Perseus