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About: HD 189733     Goto   Sponge   NotDistinct   Permalink

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

Type: Thingplacedbo:Locationschema:Placecelestial bodyyago:WikicatBYDraconisVariablesyago:WikicatBinaryStarsyago:WikicatM-typeMain-sequenceStarsyago:WikicatM-typeStarsyago:WikicatObjectsNamedWithVariableStarDesignationsyago:BinaryStar109221070yago:CelestialBody109239740yago:NaturalObject100019128yago:Object100002684yago:PhysicalEntity100001930yago:WikicatG-typeMain-sequenceStarsyago:WikicatHenryDraperCatalogueObjectsyago:WikicatHipparcosObjectsyago:WikicatK-typeMain-sequenceStarsyago:WikicatK-typeStarsstaryago:Star109444100yago:Thing100002452yago:Variable109468959yago:Whole100003553yago:WikicatPlanetaryTransitVariables New Facet based on Instances of this Class

HD 189733, also catalogued as V452 Vulpeculae, is a binary star system approximately 64.5 light-years away in the constellation of Vulpecula (the Fox). The primary star is suspected to be an orange dwarf star, while the secondary star is a red dwarf star. Given that this system has the same visual magnitude as HD 209458, it promises much for the study of close transiting extrasolar planets. The star can be found with binoculars 0.3 degrees east of the Dumbbell Nebula (M27). As of 2005, it has been confirmed that an extrasolar planet orbits the primary star within the system.