Matches in DBpedia 2015-10 for { ?s ?p "Sigma Cygni (σ Cyg) is a star in the constellation Cygnus. Its apparent magnitude is 4.21. It is a blue supergiant. It belongs to Cygnus OB4 association and is located approximantly 1 kpc away from Earth and has estimated absolute magnitude -6.1.Because of its location at the galactic disk, it is obstructed by interstellar dust. Because the degree of dimming caused by the interstellar isn't known, luminicity values are uncertain."@en }
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- Sigma_Cygni comment "Sigma Cygni (σ Cyg) is a star in the constellation Cygnus. Its apparent magnitude is 4.21. It is a blue supergiant. It belongs to Cygnus OB4 association and is located approximantly 1 kpc away from Earth and has estimated absolute magnitude -6.1.Because of its location at the galactic disk, it is obstructed by interstellar dust. Because the degree of dimming caused by the interstellar isn't known, luminicity values are uncertain.".