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Kappa Sagittarii : ウィキペディア英語版 | Kappa Sagittarii The Bayer designation Kappa Sagittarii (Kappa Sgr, κ Sagittarii, κ Sgr) is shared by two star systems, κ¹ Sagittarii and κ² Sagittarii, in the constellation Sagittarius. The two star systems are separated by 0.46° in the sky. ==κ¹ Sagittarii==
Kappa¹ Sagittarii (Kappa¹ Sgr, κ¹ Sagittarii, κ¹ Sgr) is a triple star system lying 244 light years from Earth. The primary star, κ¹ Sagittarii A, is a spectral type A0 dwarf which has an apparent magnitude of +5.6. It is orbited by two companions, κ¹ Sagittarii B, a magnitude +12.6 star 31.7 arcseconds from the primary, and the magnitude +11.6 κ¹ Sagittarii C, which lies 52 arcseconds from A. Kappa¹ Sagittarii is moving through the Galaxy at a speed of 28.6 km/s relative to the Sun. Its projected Galactic orbit carries it between 19,600 and 24,000 light years from the center of the Galaxy.〔(Kappa-1 Sagittarii (HIP 100469) )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Kappa Sagittarii」の詳細全文を読む
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