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Phi Orionis
The Bayer designation Phi Orionis (φ Ori, φ Orionis) is shared by two star systems, φ¹ Orionis and φ² Orionis, in the constellation Orion. The two stars are separated by approximately 0.71° in the sky. ==φ¹ Orionis== Phi-1 Orionis, is a binary star lying about 1000 light years from Earth. Phi-1 Orionis is a spectral type B0 main sequence star which has an apparent magnitude of +4.39.
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「Phi Orionis」の詳細全文を読む
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