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Alpha Lacertae : ウィキペディア英語版 | Alpha Lacertae
Alpha Lacertae (Alpha Lac, α Lacertae, α Lac) is an A-type main sequence star in the constellation of Lacerta.〔 It is the brightest star in Lacerta and has an apparent visual magnitude of approximately 3.777.〔〔 The star has a visual companion, CCDM J22313+5017B, of spectral type A and apparent visual magnitude 11.8, approximately 36 arcseconds away.〔Entry 22313+5017, discoverer code BU 703, (The Washington Double Star Catalog ), United States Naval Observatory. Accessed on line September 3, 2008.〕 The companion is optical, a chance line-of-sight coincidence.〔 ==Naming== In Chinese, (), meaning ''Flying Serpent'', refers to an asterism consisting of 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, ι Andromedae, and ψ Andromedae. Consequently, α Lacertae itself is known as (, (英語:the First Star of Flying Serpent))〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 7 日 )〕
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