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Tau Persei
Tau Persei (Tau Per, τ Persei, τ Per) is multiple star system in constellation of Perseus, with an apparent magnitude of +3.93. The primary component is a yellow G-type giant. It is approximately 248 light years from Earth. Tau Persei is moving through the Galaxy at a speed of 2.8 km/s relative to the Sun. Its projected Galactic orbit carries it between 24,100 and 34,200 light years from the center of the Galaxy.〔(Tau Persei (HIP 13531) )〕 ==Naming== In Chinese, (), meaning ''Mausoleum'', refers to an asterism consisting of τ Persei, 9 Persei, ι Persei, κ Persei, β Persei, ρ Persei, 16 Persei and 12 Persei. Consequently, τ Persei itself is known as (, (英語:the Second Star of Mausoleum).).〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 11 日 )〕
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