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Psi Andromedae : ウィキペディア英語版 | Psi Andromedae
Psi Andromedae (ψ And, ψ Andromedae) is the Bayer designation for a triple star〔 system in the northern constellation of Andromeda. The combined apparent visual magnitude of this system is 4.95.〔 Based upon parallax measurements, is roughly from Earth, with 14% margin of error.〔 The primary component has a stellar classification of G5 Ib,〔 which matches the spectrum of an evolved bright giant star. It forms a pair with a star of type B9 with an unknown luminosity class separated by 0.28 arcseconds. A third component has a separation of 0.14 arcseconds. Details of the orbital arrangement remain uncertain.〔 ==Naming== In Chinese, (), meaning ''Flying Serpent'', refers to an asterism consisting of ψ Andromedae, α Lacertae, 4 Lacertae, π2 Cygni, π1 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae, 7 Andromedae, 8 Andromedae, λ Andromedae, κ Andromedae and ι Andromedae,. Consequently, ψ Andromedae itself is known as (, (英語:the Twentieth of Flying Serpent))〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 7 日 )〕
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 Andromedae」の詳細全文を読む
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