27 Aquilae (original) (raw)
27 de l'Àguila (27 Aquilae) és una estrella de la constel·lació de l'Àguila situada a uns 440 anys llum del Sol. Té una magnitud aparent de 5,46.
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| dbo:abstract | 27 de l'Àguila (27 Aquilae) és una estrella de la constel·lació de l'Àguila situada a uns 440 anys llum del Sol. Té una magnitud aparent de 5,46. (ca) 27 Aquilae (abbreviated 27 Aql) is a star in the equatorial constellation of Aquila. 27 Aquilae is its Flamsteed designation though it also bears the Bayer designation d Aquilae. It has an apparent visual magnitude of 5.49, which is faintly visible to the naked eye. Based upon parallax measurements made during the Hipparcos mission, this star is at a distance of 440 light-years (130 parsecs) from Earth, give or take a 20 light-year margin of error. At this distance, the brightness of the star is diminished from extinction caused by interstellar gas and dust. The spectrum of 27 Aquilae fits a stellar classification of B9 III, with the luminosity class of III typically indicating this is an evolved giant star. As it lies within the field of view of the CoRoT satellite, close observation have been made of its luminosity. The star shows a multiperiodic variability with at least six pulsation frequencies discovered. It has a high rate of rotation with a projected rotational velocity of 55 km/s. The outer atmosphere is radiating energy into space at an effective temperature of around 11,500 K, giving it the blue-white hue of a B-type star. (en) 27 Aquilae è una stella gigante azzurra di magnitudine 5,46 situata nella costellazione dell'Aquila. Dista 510 anni luce dal sistema solare. (it) 27 Aquilae (d Aquilae) é uma estrela na direção da Aquila. Possui uma ascensão reta de 19h 20m 35.68s e uma declinação de −00° 53′ 31.8″. Sua magnitude aparente é igual a 5.46. Considerando sua distância de 509 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.51. Pertence à classe espectral B9III. (pt) 27 Aquilae, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Örnen, som också har Bayer-beteckningen d Aquilae. Den har en skenbar magnitud på ca 5,49 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 7,5 mas, beräknas den befinna sig på ett avstånd på ca 440 ljusår (ca 134 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -27 km/s. På det beräknade avståndet minskar stjärnans skenbara magnitud genom en skymningsfaktor orsakad av interstellärt stoft. (sv) 天鷹座27，又名BD-01 3716，HD 181440、SAO 143292、HR 7336，是天鷹座的一颗恒星，视星等为5.49，位于銀經35.47，銀緯-6.89，其B1900.0坐标为赤經19h 15m 26.1s，赤緯-1° -6.89′ 42″。 (zh) |
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| dbp:bV | −0.04 (en) |
| dbp:class | B9 III (en) |
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| rdfs:comment | 27 de l'Àguila (27 Aquilae) és una estrella de la constel·lació de l'Àguila situada a uns 440 anys llum del Sol. Té una magnitud aparent de 5,46. (ca) 27 Aquilae è una stella gigante azzurra di magnitudine 5,46 situata nella costellazione dell'Aquila. Dista 510 anni luce dal sistema solare. (it) 27 Aquilae (d Aquilae) é uma estrela na direção da Aquila. Possui uma ascensão reta de 19h 20m 35.68s e uma declinação de −00° 53′ 31.8″. Sua magnitude aparente é igual a 5.46. Considerando sua distância de 509 anos-luz em relação à Terra, sua magnitude absoluta é igual a −0.51. Pertence à classe espectral B9III. (pt) 27 Aquilae, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Örnen, som också har Bayer-beteckningen d Aquilae. Den har en skenbar magnitud på ca 5,49 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 7,5 mas, beräknas den befinna sig på ett avstånd på ca 440 ljusår (ca 134 parsek) från solen. Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -27 km/s. På det beräknade avståndet minskar stjärnans skenbara magnitud genom en skymningsfaktor orsakad av interstellärt stoft. (sv) 天鷹座27，又名BD-01 3716，HD 181440、SAO 143292、HR 7336，是天鷹座的一颗恒星，视星等为5.49，位于銀經35.47，銀緯-6.89，其B1900.0坐标为赤經19h 15m 26.1s，赤緯-1° -6.89′ 42″。 (zh) 27 Aquilae (abbreviated 27 Aql) is a star in the equatorial constellation of Aquila. 27 Aquilae is its Flamsteed designation though it also bears the Bayer designation d Aquilae. It has an apparent visual magnitude of 5.49, which is faintly visible to the naked eye. Based upon parallax measurements made during the Hipparcos mission, this star is at a distance of 440 light-years (130 parsecs) from Earth, give or take a 20 light-year margin of error. At this distance, the brightness of the star is diminished from extinction caused by interstellar gas and dust. (en) |
| rdfs:label | 27 de l'Àguila (ca) 27 Aquilae (en) 27 Aquilae (it) 27 Aquilae (pt) 27 Aquilae (sv) 右旗增三 (zh) |
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