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About: Sigma Persei     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:WikicatBayerObjectsyago:Animal100015388yago:Giant101323781yago:LivingThing100004258yago:Object100002684yago:Organism100004475yago:PhysicalEntity100001930yago:WikicatK-typeGiantsstaryago:Whole100003553 New Facet based on Instances of this Class

Sigma Persei (Sigma Per, σ Persei, σ Per) is an orange K-type giant with an apparent magnitude of +4.36. It is approximately 360 light years from Earth. Sigma Persei is moving through the Galaxy at a speed of 17.4 km/s relative to the Sun. Its projected Galactic orbit carries it between 24,400 and 43,600 light years from the center of the Galaxy. It came closest to the Sun 5.1 million years ago when it had brightened to magnitude 3.11 from a distance of 202 light years. It has one reported planet, b, with a period of 580 days and a mass approximately 6.5 times that of Jupiter.