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Eta Eridani (η Eri, η Eridani) is a star in the constellation Eridanus. It has the traditional name Azha ("the breeding place"). The word Azha is a corruption of Persian آشيانه āšiyāne The (ostrich) nest. 〔(Star Name - R.H. Allen p.218 )〕 In Chinese, (), meaning ''Celestial Meadows'', refers to an asterism consisting of η Eridani, γ Eridani, π Eridani, δ Eridani, ε Eridani, ζ Eridani, π Ceti, τ1 Eridani, τ2 Eridani, τ3 Eridani, τ4 Eridani, τ5 Eridani τ6 Eridani, τ7 Eridani, τ8 Eridani and τ9 Eridani.〔 ''中國星座神話'', written by 陳久金. Published by 台灣書房出版有限公司, 2005, ISBN 978-986-7332-25-7.〕 Consequently, η Eridani itself is known as (, (英語:the Sixth Star of Celestial Meadows).)〔 (香港太空館 - 研究資源 - 亮星中英對照表 ), Hong Kong Space Museum. Accessed on line November 23, 2010.〕 ==Structure== Eta Eridani belongs to spectral class K0 III-IV and has apparent magnitude +4.1. It is 121 light years from Earth. Coordinates for J2000: * Right ascension: * Declination: 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「Eta Eridani」の詳細全文を読む スポンサード リンク
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