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About: 12 Persei     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatFlamsteedObjects, within Data Space : dbpedia.org associated with source document(s)

Type: Thingplacedbo:Locationschema:Placecelestial bodyyago:WikicatBinaryStarsyago:WikicatSolar-typeStarsyago:WikicatStarsyago:BinaryStar109221070yago:CelestialBody109239740yago:NaturalObject100019128yago:Object100002684yago:PhysicalEntity100001930yago:WikicatG-typeMain-sequenceStarsstaryago:Star109444100yago:Whole100003553yago:WikicatF-typeMain-sequenceStarsyago:WikicatFlamsteedObjects New Facet based on Instances of this Class

12 Persei (12 Per) is a double-lined spectroscopic binary star system in the northern constellation Perseus. Its combined apparent magnitude is 4.94, which means it can be viewed with the naked eye. Based upon parallax measurements, this system is about 79 light years away from the Sun. The pair orbit each other with a period of 331 days and an eccentricity of 0.663. The semimajor axis of their orbit is 1.27 AU, which means the inner stability radius for a hypothetical planet orbiting the pair would be at 4.35 AU. This lies outside the habitability zone for this system.