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Den har en h\u00F6gsta skenbar magnitud p\u00E5 ca 5,37 och \u00E4r svagt synlig f\u00F6r blotta \u00F6gat d\u00E4r ljusf\u00F6roreningar ej f\u00F6rekommer. Baserat p\u00E5 parallaxm\u00E4tning inom Hipparcosuppdraget p\u00E5 ca 7,3 mas, ber\u00E4knas den befinna sig p\u00E5 ett avst\u00E5nd p\u00E5 ca 450 ljus\u00E5r (ca 138 parsek) fr\u00E5n solen. Den r\u00F6r sig n\u00E4rmare solen med en heliocentrisk radialhastighet av ca -10 km/s" , "lang" : "sv" } , { "type" : "literal", "value" : "25 Serpentis (A\u00B2 Serpentis) \u00E9 uma estrela na dire\u00E7\u00E3o da Serpens. Possui uma ascens\u00E3o reta de 15h 46m 05.65s e uma declina\u00E7\u00E3o de \u221201\u00B0 48\u2032 14.8\u2033. Sua magnitude aparente \u00E9 igual a 5.39. Considerando sua dist\u00E2ncia de 408 anos-luz em rela\u00E7\u00E3o \u00E0 Terra, sua magnitude absoluta \u00E9 igual a \u22120.10. Pertence \u00E0 classe espectral B8III." , "lang" : "pt" } , { "type" : "literal", "value" : "25 Serpentis is a star system in the constellation of Serpens Caput. With an apparent magnitude of 5.37, it is just barely visible to the naked eye. 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Den har en h\u00F6gsta skenbar magnitud p\u00E5 ca 5,37 och \u00E4r svagt synlig f\u00F6r blotta \u00F6gat d\u00E4r ljusf\u00F6roreningar ej f\u00F6rekommer. Baserat p\u00E5 parallaxm\u00E4tning inom Hipparcosuppdraget p\u00E5 ca 7,3 mas, ber\u00E4knas den befinna sig p\u00E5 ett avst\u00E5nd p\u00E5 ca 450 ljus\u00E5r (ca 138 parsek) fr\u00E5n solen. Den r\u00F6r sig n\u00E4rmare solen med en heliocentrisk radialhastighet av ca -10 km/s" , "lang" : "sv" } , { "type" : "literal", "value" : "25 Serpentis (A\u00B2 Serpentis) \u00E9 uma estrela na dire\u00E7\u00E3o da Serpens. Possui uma ascens\u00E3o reta de 15h 46m 05.65s e uma declina\u00E7\u00E3o de \u221201\u00B0 48\u2032 14.8\u2033. Sua magnitude aparente \u00E9 igual a 5.39. Considerando sua dist\u00E2ncia de 408 anos-luz em rela\u00E7\u00E3o \u00E0 Terra, sua magnitude absoluta \u00E9 igual a \u22120.10. Pertence \u00E0 classe espectral B8III." , "lang" : "pt" } , { "type" : "literal", "value" : "25 Serpentis is a star system in the constellation of Serpens Caput. With an apparent magnitude of 5.37, it is just barely visible to the naked eye. The system is estimated to be some 450 light-years (138 parsecs) based on its parallax. 25 Serpentis is a spectroscopic binary, meaning that the individual components are too close to be resolved, but periodic Doppler shifts in their spectra indicate orbital motion. The system consists of a hot B-type giant and an A-type main-sequence star. The two stars orbit each other every 38.9 days, and have a very eccentric orbit, with an orbital eccentricity of 0.731. 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