About: Phi Aquilae

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Phi Aquilae, Latinized from φ Aquilae, is the Bayer designation of a binary star system in the equatorial constellation of Aquila. It has an apparent visual magnitude of +5.28 and is visible to the naked eye. With an annual parallax shift of 14.198 mas, this star is located at a distance of approximately 230 light-years (71 parsecs) from Earth. It is drifting closer with a radial velocity of –27 km/s. Based on its motion through space, this system is considered a possible member of the nearby Argus association of co-moving stars, although it may be too old.

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  • Fi de l'Àguila (φ Aquilae) és una estrella binària de la constel·lació de l'Àguila. Fi de l'Àguila és una binària espectroscòpica que està classificada com una subgegant blanca del tipus A de la magnitud aparent +5,28. Aquesta binària té un període orbital de 3,32 dies i està aproximadament a 206 anys-llum de la Terra. (ca)
  • Phi Aquilae, Latinized from φ Aquilae, is the Bayer designation of a binary star system in the equatorial constellation of Aquila. It has an apparent visual magnitude of +5.28 and is visible to the naked eye. With an annual parallax shift of 14.198 mas, this star is located at a distance of approximately 230 light-years (71 parsecs) from Earth. It is drifting closer with a radial velocity of –27 km/s. Based on its motion through space, this system is considered a possible member of the nearby Argus association of co-moving stars, although it may be too old. Phi Aquilae is a single-lined spectroscopic binary with an orbital period of 3.32068 days. The pair have a projected separation of 190.4 AU as of 2008. The primary component is a subgiant star with a stellar classification of A1 IV. The star is around 280 million years old and is spinning with a projected rotational velocity of 27. It has 2.39 times the mass of the Sun and somewhere in the range of 1.8–2.5 times the Sun's radius. The outer atmosphere has an effective temperature of 9,509 K, giving it the white-hued appearance of an A-type star. It is radiating 34 times the luminosity of the Sun. The orbiting companion may be the source of the X-ray emission from this system, as stars similar to the primary component do not generally produce detectable levels of X-rays. It has 40% of the mass of the Sun. (en)
  • Phi Aquilae (φ Aql / φ Aquilae) è una stella subgigante bianca di magnitudine 5,29 situata nella costellazione dell'Aquila. Dista 206 anni luce dal sistema solare. (it)
  • Fi Aquilae (φ Aqulilae, förkortat Fi Aql, φ Aql) är en dubbelstjärna belägen i den nordöstra delen av stjärnbilden Örnen. Den har en skenbar magnitud på 5,28 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 14,9 mas, beräknas den befinna sig på ett avstånd på ca 219 ljusår (ca 67 parsek) från solen. (sv)
  • Phi Aquilae (61 Aquilae) é uma estrela binária na direção da constelação de Aquila. Possui uma ascensão reta de 19h 56m 14.23s e uma declinação de +11° 25′ 25.4″. Sua magnitude aparente é igual a 5.28. Considerando sua distância de 206 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.28. Pertence à classe espectral A1IV. É uma estrela variável suspeita e é um sistema binário espetroscópico. (pt)
  • 天鷹座φ,又名BD+11 4055,HD 188728、SAO 105438、HR 7610,是天鷹座的一颗恒星,视星等为5.28,位于銀經50.66,銀緯-8.8,其B1900.0坐标为赤經19h 51m 30.1s,赤緯+11° -8.8′ 29″。 (zh)
  • HD188728 — хімічно пекулярна зоря спектрального класуA1 й має видиму зоряну величину в смузі V приблизно 5,3.Вона знаходиться у сузір'ї Орла й розташована на відстані близько 205,9 світлових років від Сонця. (uk)
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dbp:absmagV
  • +1.14 (en)
dbp:ageMyr
  • 280 (xsd:integer)
dbp:appmagV
  • +5.28 (en)
dbp:bV
  • +0.00 (en)
dbp:class
  • A1 IV (en)
dbp:component
  • A (en)
  • B (en)
dbp:constell
dbp:eccentricity
  • 0.025000 (xsd:double)
dbp:epoch
  • J2000 (en)
dbp:gravity
  • 4.300000 (xsd:double)
dbp:k
  • 37.200000 (xsd:double)
dbp:luminosity
  • 34 (xsd:integer)
dbp:mass
  • 0.400000 (xsd:double)
  • 2.390000 (xsd:double)
dbp:metalFe
  • +0.47 (en)
dbp:pError
  • 0.157900 (xsd:double)
dbp:parallax
  • 14.198000 (xsd:double)
dbp:periarg
  • 43 (xsd:integer)
dbp:periastron
  • JD 2423210.628 (en)
dbp:periodUnitless
  • 286906.752
dbp:propMoDec
  • +6.162 (en)
dbp:propMoRa
  • +32.826 (en)
dbp:radialV
  • –27.2 (en)
dbp:radius
  • 1.800000 (xsd:double)
dbp:rotationalVelocity
  • 27 (xsd:integer)
dbp:temperature
  • 9509 (xsd:integer)
dbp:uB
  • –0.02 (en)
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  • Fi de l'Àguila (φ Aquilae) és una estrella binària de la constel·lació de l'Àguila. Fi de l'Àguila és una binària espectroscòpica que està classificada com una subgegant blanca del tipus A de la magnitud aparent +5,28. Aquesta binària té un període orbital de 3,32 dies i està aproximadament a 206 anys-llum de la Terra. (ca)
  • Phi Aquilae (φ Aql / φ Aquilae) è una stella subgigante bianca di magnitudine 5,29 situata nella costellazione dell'Aquila. Dista 206 anni luce dal sistema solare. (it)
  • Fi Aquilae (φ Aqulilae, förkortat Fi Aql, φ Aql) är en dubbelstjärna belägen i den nordöstra delen av stjärnbilden Örnen. Den har en skenbar magnitud på 5,28 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 14,9 mas, beräknas den befinna sig på ett avstånd på ca 219 ljusår (ca 67 parsek) från solen. (sv)
  • Phi Aquilae (61 Aquilae) é uma estrela binária na direção da constelação de Aquila. Possui uma ascensão reta de 19h 56m 14.23s e uma declinação de +11° 25′ 25.4″. Sua magnitude aparente é igual a 5.28. Considerando sua distância de 206 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.28. Pertence à classe espectral A1IV. É uma estrela variável suspeita e é um sistema binário espetroscópico. (pt)
  • 天鷹座φ,又名BD+11 4055,HD 188728、SAO 105438、HR 7610,是天鷹座的一颗恒星,视星等为5.28,位于銀經50.66,銀緯-8.8,其B1900.0坐标为赤經19h 51m 30.1s,赤緯+11° -8.8′ 29″。 (zh)
  • HD188728 — хімічно пекулярна зоря спектрального класуA1 й має видиму зоряну величину в смузі V приблизно 5,3.Вона знаходиться у сузір'ї Орла й розташована на відстані близько 205,9 світлових років від Сонця. (uk)
  • Phi Aquilae, Latinized from φ Aquilae, is the Bayer designation of a binary star system in the equatorial constellation of Aquila. It has an apparent visual magnitude of +5.28 and is visible to the naked eye. With an annual parallax shift of 14.198 mas, this star is located at a distance of approximately 230 light-years (71 parsecs) from Earth. It is drifting closer with a radial velocity of –27 km/s. Based on its motion through space, this system is considered a possible member of the nearby Argus association of co-moving stars, although it may be too old. (en)
rdfs:label
  • Fi de l'Àguila (ca)
  • Phi Aquilae (it)
  • Phi Aquilae (en)
  • Phi Aquilae (pt)
  • Fi Aquilae (sv)
  • HD188728 (uk)
  • 河鼓增六 (zh)
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