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Eta Piscium (Eta Psc, η Piscium, η Psc) is the brightest star in the constellation Pisces. Eta Piscium is located at a distance of about 294 light years from Earth and shines at magnitude +3.62. It is of Spectral type G7 III. The total luminosity of this star is 316 times that of the Sun while its surface temperature is 4930 kelvins. The star has a radius of 〔 times solar while its mass is 3.5 to 4 solar masses. Eta Piscium has a faint companion star with a separation of about 1". ==Name and etymology== *The star, had an obscure Babylonian name Kullat Nūnu−the latter being the Babylonian word for ''fish'' and the former "Kullat" referring to either a bucket or the cord that ties the fish together. *In Chinese, (), meaning ''Official in Charge of the Pasturing'', refers to an asterism consisting of refers to an asterism consisting of η Piscium, ρ Piscium, π Piscium, ο Piscium and 104 Piscium. Consequently, η Piscium itself is known as (, (英語:the Second Star of Official in Charge of the Pasturing).)〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 5 月 19 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「Eta Piscium」の詳細全文を読む スポンサード リンク
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