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・ Kappa Reticuli
・ Kappa Sagittarii
・ Kappa Scorpii
・ Kappa Sculptoris
・ Kappa Serpentis
・ Kappa Sigma
・ Kappa Sigma (Philippines)
・ Kappa Sigma Fraternity House (Champaign, Illinois)
・ Kappa Sigma Kappa
・ Kappa Tau Alpha
・ Kappa Tauri
・ Kappa Telescopii
・ Kappa Theta Epsilon
・ Kappa Theta Pi
・ Kappa Trianguli Australis
Kappa Tucanae
・ Kappa TV
・ Kappa Ursae Majoris
・ Kappa V Archaeological Site
・ Kappa Velorum
・ Kappa Virginis
・ Kappa Volantis
・ Kappa Zeta Phi
・ Kappa, Illinois
・ Kappa-carrageenase
・ Kappa-Poincaré
・ KaPPA-View4
・ Kappa1 Apodis
・ Kappa1 Ceti
・ Kappa1 Coronae Australis


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Kappa Tucanae : ウィキペディア英語版
Kappa Tucanae

Kappa Tucanae (κ Tuc, κ Tucanae) is a star system in the constellation Tucana. It is approximately 66.6 light years from Earth and the combined apparent magnitude of the system is +4.25.
The system consists of two binary pairs separated by 5.3 arcminutes. The brightest star, Kappa Tucanae A, is a yellow-white F-type subgiant with an apparent magnitude of +5.1. Its binary companion, Kappa Tucanae B, has a magnitude of +7.3 and is 5 arcseconds, or at least 100 Astronomical Units from A. They complete one orbit every 1222 years.
The other binary pair, the magnitude +7.8 C, and the magnitude +8.2 D, are closer to one another, at 1.12 arcseconds, or at least 23 astronomical units. They orbit each other once every 86.2 years.
==References==



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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