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Omega Sagittarii
Omega Sagittarii (Omega Sgr, ω Sagittarii, ω Sgr) is a G-type subgiant star in the constellation of Sagittarius.〔 It has an apparent visual magnitude of approximately 4.70.
==Name and etymology==
*This star, together with :
*
*60 Sgr, 62 Sgr and 59 Sgr, consisting the asterism ''Terebellum''〔 According to the catalogue of stars in the ''Technical Memorandum 33-507 - A Reduced Star Catalog Containing 537 Named Stars'', Terebellum was originally the title for four stars: ω Sgr as ''Terebellum I'', 59 Sgr as ''Terebellum II'', 60 Sgr as ''Terebellum III'' and 62 Sgr as ''Terebellum IV'' .〔(Jack W. Rhoads - ''Technical Memorandum 33-507-A Reduced Star Catalog Containing 537 Named Stars'', Jet Propulsion Laboratory, California Institute of Technology; November 15, 1971 )〕
*
*ν Sgr, ψ Sgr, τ Sgr, 60 Sgr and ζ Sgr were ''Al Udḥiyy'', the Ostrich's Nest.
*In Chinese, (), meaning ''Dog Territory'', refers to an asterism consisting of ω Sagittarii, 60 Sgr, 62 Sgr and 59 Sgr. Consequently, ω Sagittarii itself is known as (, (英語:the First Star of Dog Territory).)〔 (AEEA (Activities of Exhibition and Education in Astronomy) 天文教育資訊網 2006 年 7 月 2 日 )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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