13 Scorpii (original) (raw)
c2 Scorpii( Pour les articles homonymes, voir c Scorpii. ) 13 Scorpiic2 Scorpii Autres désignations c2 Sco, 13 Sco (Flamsteed), HR 6028, HD 145482, HIP 79404, CD-27 10841, CPD-27 5375, SAO 184221 13 Scorpii, (en abrégé 13 Sco) est une étoile binaire de la constellation zodiacale du Scorpion. Elle porte également la désignation de Bayer de c2 Scorpii, tandis que 13 Scorpii est sa désignation de Flamsteed. Le système est visible à l'œil nu avec une magnitude apparente de 4,57.
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| dbo:abstract | 13 Scorpii, also known by its Bayer designation c2 Scorpii, is a binary star in the constellation Scorpius. Its apparent magnitude is 4.57, meaning it can be faintly seen with the naked eye. Based on parallax estimates made by the Hipparcos spacecraft, the system is located about 480 light-years (147 parsecs) away. It is located within the Upper Scorpius subgroup of the Scorpius–Centaurus association. 13 Scorpii is a spectroscopic binary, meaning the two stars are too close to be individually resolved, but periodic Doppler shifts in the star's spectrum indicate there must be orbital motion. In this case, light from only one of its stars can be detected and it is a double-lined spectroscopic binary. The two have an orbital period of 5.7805 days and an eccentricity of 0.19. The primary star, at 11 million years old, is a B-type main-sequence star with a spectral type of B2V. While the primary's mass is estimated to be about 7.8 M☉, its companion is thought to have a mass of 1.12 M☉. (en) c2 Scorpii( Pour les articles homonymes, voir c Scorpii. ) 13 Scorpiic2 Scorpii Autres désignations c2 Sco, 13 Sco (Flamsteed), HR 6028, HD 145482, HIP 79404, CD-27 10841, CPD-27 5375, SAO 184221 13 Scorpii, (en abrégé 13 Sco) est une étoile binaire de la constellation zodiacale du Scorpion. Elle porte également la désignation de Bayer de c2 Scorpii, tandis que 13 Scorpii est sa désignation de Flamsteed. Le système est visible à l'œil nu avec une magnitude apparente de 4,57. (fr) 13 Scorpii (c² Scorpii) é uma estrela na direção da Scorpius. Possui uma ascensão reta de 16h 12m 18.21s e uma declinação de −27° 55′ 34.7″. Sua magnitude aparente é igual a 4.58. Considerando sua distância de 468 anos-luz em relação à Terra, sua magnitude absoluta é igual a −1.20. Pertence à classe espectral B2V. (pt) 13 Scorpii, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna, belägen i den mellersta delen av stjärnbilden Skorpionen och har även Bayer-beteckningen c2 Scorpii. Den har en kombinerad skenbar magnitud av ca 4,57 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 6,8 mas, beräknas den befinna sig på ett avstånd på ca 480 ljusår (ca 147 parsek) från solen. Stjärnan ingår i Scorpius undergrupp av Scorpius–Centaurus Association. (sv) |
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| dbp:appmagV | +4.568 (en) |
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| dbp:class | B2V (en) |
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| rdfs:comment | c2 Scorpii( Pour les articles homonymes, voir c Scorpii. ) 13 Scorpiic2 Scorpii Autres désignations c2 Sco, 13 Sco (Flamsteed), HR 6028, HD 145482, HIP 79404, CD-27 10841, CPD-27 5375, SAO 184221 13 Scorpii, (en abrégé 13 Sco) est une étoile binaire de la constellation zodiacale du Scorpion. Elle porte également la désignation de Bayer de c2 Scorpii, tandis que 13 Scorpii est sa désignation de Flamsteed. Le système est visible à l'œil nu avec une magnitude apparente de 4,57. (fr) 13 Scorpii (c² Scorpii) é uma estrela na direção da Scorpius. Possui uma ascensão reta de 16h 12m 18.21s e uma declinação de −27° 55′ 34.7″. Sua magnitude aparente é igual a 4.58. Considerando sua distância de 468 anos-luz em relação à Terra, sua magnitude absoluta é igual a −1.20. Pertence à classe espectral B2V. (pt) 13 Scorpii, som är stjärnans Flamsteed-beteckning, är en dubbelstjärna, belägen i den mellersta delen av stjärnbilden Skorpionen och har även Bayer-beteckningen c2 Scorpii. Den har en kombinerad skenbar magnitud av ca 4,57 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 6,8 mas, beräknas den befinna sig på ett avstånd på ca 480 ljusår (ca 147 parsek) från solen. Stjärnan ingår i Scorpius undergrupp av Scorpius–Centaurus Association. (sv) 13 Scorpii, also known by its Bayer designation c2 Scorpii, is a binary star in the constellation Scorpius. Its apparent magnitude is 4.57, meaning it can be faintly seen with the naked eye. Based on parallax estimates made by the Hipparcos spacecraft, the system is located about 480 light-years (147 parsecs) away. It is located within the Upper Scorpius subgroup of the Scorpius–Centaurus association. (en) |
| rdfs:label | 13 Scorpii (en) 13 Scorpii (fr) 13 Scorpii (pt) 13 Scorpii (sv) |
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