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About: IU Aurigae     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingplacedbo:Locationschema:Placecelestial bodyyago:WikicatB-typeMain-sequenceStarsyago:WikicatObjectsNamedWithVariableStarDesignationsyago:WikicatSpectroscopicBinariesyago:BinaryStar109221070yago:CelestialBody109239740yago:NaturalObject100019128yago:Object100002684yago:PhysicalEntity100001930yago:WikicatHenryDraperCatalogueObjectsyago:WikicatHipparcosObjectsstaryago:Star109444100yago:Whole100003553 New Facet based on Instances of this Class

IU Aurigae is a triple star system in the constellation Auriga, consisting of an eclipsing binary pair orbiting a third component with a period of 335 years. This system is too faint to be viewed with the naked eye, having a peak apparent visual magnitude of 8.19. The eclipsing pair form a Beta Lyrae-type semidetached binary of two Bp stars with a period of 1.81147435 days. During the primary eclipse, the visual magnitude of the system drops to 8.89, while for the secondary it decreases to 8.74. The third component is a massive object with 17–18 M☉, and may actually be a binary – which would make this a quadruple star system.