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15 Cygni is a single star in the northern constellation Cygnus. With an apparent visual magnitude of 4.90, it is a faint star but visible to the naked eye. The distance to 15 Cygni can be estimated from its annual parallax shift of 11.0 mas, which yields a separation of some 296 light years. It is moving closer to the Sun with a heliocentric radial velocity of −23.6 km/s.

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  • 15 Cygni (en)
  • 15 Cygni (pt)
  • 15 Cygni (sv)
  • 辇道增四 (zh)
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  • 15 Cygni, som är stjärnans Flamsteed-beteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Svanen. Den har en skenbar magnitud på ca 4,90 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallax enligt Gaia Data Release 2 på ca 11,0 mas, beräknas den befinna sig på ett avstånd på ca 296 ljusår (ca 91 parsek) från solen Den rör sig närmare solen med en heliocentrisk radialhastighet av ca -24 km/s. (sv)
  • 天鵝座15,又名BD+37 3586,HD 186675、SAO 68778、HR 7517,是天鵝座的一颗恒星,视星等为4.89,位于銀經71.76,銀緯6.6,其B1900.0坐标为赤經19h 40m 40.1s,赤緯+37° 6.6′ 45″。 (zh)
  • 15 Cygni is a single star in the northern constellation Cygnus. With an apparent visual magnitude of 4.90, it is a faint star but visible to the naked eye. The distance to 15 Cygni can be estimated from its annual parallax shift of 11.0 mas, which yields a separation of some 296 light years. It is moving closer to the Sun with a heliocentric radial velocity of −23.6 km/s. (en)
  • 15 Cygni é uma estrela na constelação do norte de Cygnus. Com uma magnitude visual aparente de 4,90, é uma estrela fraca, mas visível a olho nu. A distância até 15 Cygni pode ser estimada a partir de seu deslocamento parallax anual de 11,0 mas, o que produz uma separação da Terra de cerca de 296 anos-luz. Está se aproximando do Sol com uma velocidade radial heliocêntrica de −23,6 km/s. (pt)
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  • 15 Cygni (en)
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absmag v
age gyr
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  • G8 III (en)
constell
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  • J2000 (en)
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metal fe
  • −0.14 (en)
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