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Psi Serpentis : ウィキペディア英語版 | Psi Serpentis
Psi Serpentis (ψ Ser, ψ Serpentis) is a star system in the constellation Serpens. It is approximately 47.8 light years from Earth. The primary component, Psi Serpentis A, is a yellow G-type main sequence dwarf with an apparent magnitude of +5.86. It has a close 12th magnitude companion, Psi Serpentis B, 4.2 arcseconds, or at least 60 AUs, distant. When observed from 1997 through 2000, the primary star appeared to be transitioning from a maunder minimum state to a state of cycling magnetic activity. ==References==
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「Psi Serpentis」の詳細全文を読む
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