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About: Z Andromedae     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatSymbioticNovae, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingplacedbo:Locationschema:Placecelestial bodyyago:WikicatBinaryStarsyago:WikicatM-typeStarsyago:WikicatVariableStarsyago:WikicatObjectsNamedWithVariableStarDesignationsyago:WikicatStarsyago:BinaryStar109221070yago:CelestialBody109239740yago:NaturalObject100019128yago:Nova109374493yago:Object100002684yago:PhysicalEntity100001930yago:WikicatHenryDraperCatalogueObjectsstaryago:Star109444100yago:VariableStar109469152yago:Whole100003553yago:WikicatSymbioticNovae New Facet based on Instances of this Class

Z Andromedae is a binary star system consisting of a red giant and a white dwarf. It is the prototype of a type of cataclysmic variable star known as symbiotic variable stars or simply Z Andromedae variables. The brightness of those stars vary over time, showing a quiescent, more stable phase and then an active one with a more pronounced variability and stronger brightening and/or dimming.