| 翻訳と辞書 | Pi1 Cygni 
 Pi1 Cygni (π1 Cyg, π1 Cygni) is the Bayer designation for a star in the constellation Cygnus.  It has the traditional name Azelfafage.
 In Chinese,  (), meaning ''Flying Serpent'', refers to an asterism consisting of π1 Cygni, α Lacertae, 4 Lacertae, π2 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, ψ Andromedae and ι Andromedae. Consequently, π1 Cygni itself is known as  (, (英語:the Fourth 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 )〕
 ==Structure==
 
 Pi1 Cygni has apparent magnitude +4.67 and belongs to the spectral class B3IV.  It is approximately 1680 light years from Earth.
 Coordinates (equinox J2000.0):
 * Right ascension: 21h 42m 5.7s
 * Declination: +51°11'23.0"
 
 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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