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About: OU Geminorum     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:WikicatBinaryStarsyago:WikicatObjectsNamedWithVariableStarDesignationsyago:WikicatSolar-typeStarsyago:BinaryStar109221070yago:CelestialBody109239740yago:NaturalObject100019128yago:Object100002684yago:PhysicalEntity100001930yago:WikicatHenryDraperCatalogueObjectsyago:WikicatK-typeMain-sequenceStarsstaryago:Star109444100yago:Whole100003553 New Facet based on Instances of this Class

OU Geminorum (OU Gem) is a visual binary or possible triple star located in the constellation of Gemini. The system has an absolute magnitude of 5.93, so at a distance of 48 light years it has an apparent magnitude of 6.77 when viewed from earth. It also has a total proper motion of 0.210"/yr and belongs to the Ursa Major stream. The system is a much studied BY Draconis variable star with a period of 6.99 days. The primary star has a spectral type of K3Vk. The secondary star in the system has a surface temperature of 4486±50 K and orbits the primary in about seven days.