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- Iota1_Scorpii abstract "Iota1 Scorpii (ι1 Scorpii) is star in the southern constellation of Scorpius. With an apparent visual magnitude of 3.03, this star can be seen with the naked eye. It is sometimes called by the proper name Apollyon. Parallax measurements place it at a distance of roughly 1,930 light-years (590 parsecs) from Earth, with a 9% margin of error.This star has a stellar classification of F2 Ia, with the 'Ia' luminosity class indicating this is an evolved star that has expanded to become a supergiant. It has about 12 times the Sun's mass and is radiating about 35,070 times the Sun's luminosity. The radius is uncertain, with estimates ranging from 125 to 400 times that of the Sun. The effective temperature of the outer envelope is about 7,000 K, which gives it a yellow-white hue typical of an F-type star.Iota1 Scorpii has a 10th magnitude companion at an angular separation of 37.5 arcseconds, which, at the distance of this star, gives it a projected physical separation of 20,000 Astronomical Units (AU). As the relative separation of the two stars along the line of sight to the Earth is not known, however, this distance represents only a minimum value for their separation.".
- Iota1_Scorpii thumbnail Scorpius_IAU.svg?width=300.
- Iota1_Scorpii wikiPageID "2670023".
- Iota1_Scorpii wikiPageRevisionID "602287584".
- Iota1_Scorpii appmagV "3.03".
- Iota1_Scorpii bV "+0.51".
- Iota1_Scorpii class "F2 Ia".
- Iota1_Scorpii constell Scorpius.
- Iota1_Scorpii epoch "J2000".
- Iota1_Scorpii gravity "1.25".
- Iota1_Scorpii hasPhotoCollection Iota1_Scorpii.
- Iota1_Scorpii luminosity "35070".
- Iota1_Scorpii metalFe "0.27".
- Iota1_Scorpii pError "0.15".
- Iota1_Scorpii parallax "1.69".
- Iota1_Scorpii propMoDec "−6.24".
- Iota1_Scorpii propMoRa "+0.01".
- Iota1_Scorpii radialV "−27.6".
- Iota1_Scorpii radius "125".
- Iota1_Scorpii temperature "7000".
- Iota1_Scorpii uB "+0.26".
- Iota1_Scorpii subject Category:Bayer_objects.
- Iota1_Scorpii subject Category:F-type_supergiants.
- Iota1_Scorpii subject Category:Scorpius_(constellation).
- Iota1_Scorpii type CelestialBody.
- Iota1_Scorpii type Star.
- Iota1_Scorpii type PhysicalBody.
- Iota1_Scorpii comment "Iota1 Scorpii (ι1 Scorpii) is star in the southern constellation of Scorpius. With an apparent visual magnitude of 3.03, this star can be seen with the naked eye. It is sometimes called by the proper name Apollyon. Parallax measurements place it at a distance of roughly 1,930 light-years (590 parsecs) from Earth, with a 9% margin of error.This star has a stellar classification of F2 Ia, with the 'Ia' luminosity class indicating this is an evolved star that has expanded to become a supergiant.".
- Iota1_Scorpii label "Iota1 Scorpii".
- Iota1_Scorpii label "Iota1 Scorpii".
- Iota1_Scorpii label "Iota1 Scorpii".
- Iota1_Scorpii label "Iota1 Scorpii".
- Iota1_Scorpii label "Iota1 Scorpii".
- Iota1_Scorpii label "尾宿六".
- Iota1_Scorpii sameAs Iota1_Scorpii.
- Iota1_Scorpii sameAs Iota1_Scorpii.
- Iota1_Scorpii sameAs Iota1_Scorpii.
- Iota1_Scorpii sameAs Iota1_Scorpii.
- Iota1_Scorpii sameAs m.07ws9d.
- Iota1_Scorpii sameAs Q2711568.
- Iota1_Scorpii sameAs Q2711568.
- Iota1_Scorpii wasDerivedFrom Iota1_Scorpii?oldid=602287584.
- Iota1_Scorpii depiction Scorpius_IAU.svg.
- Iota1_Scorpii isPrimaryTopicOf Iota1_Scorpii.
- Iota1_Scorpii name "Iota1 Scorpii".