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G Centauri is a single star in the southern constellation of Centaurus. It is visible to the naked eye as a faint, blue-white hued star with an apparent visual magnitude of +4.82. This object is located approximately 450 light years from the Sun, based on parallax. It is a member of the Lower Centaurus–Crux group of the Scorpius–Centaurus association, with the former having an age of about 17 million years.

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  • G Centauri (en)
  • HD 108257 (pt)
  • HD 108257 (sv)
  • 馬尾一 (zh)
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  • HD 108257 ( eller HR 4732) är en ensam stjärna i den mellersta delen av stjärnbilden Kentauren som också har Bayer-beteckningen G Centauri. Den har en skenbar magnitud av ca 4,82 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 7,3 mas, beräknas den befinna sig på ett avstånd på ca 450 ljusår (ca 137 parsek) från solen. Den rör sig bort från solen med en heliocentrisk radialhastighet på ca 5 km/s och ingår i gruppen Lower Centaurus Crux inom Scorpius-Centaurus-föreningen med en gemensam ålder av ca 17 miljoner år. (sv)
  • 半人馬座G(G Centauri),HD 108257,又名CD-50 6975,SAO 239948、HR 4732,是一颗半人馬座的恒星,视星等为4.82,位于銀經298.98,銀緯11.23,其B1900.0坐标为赤經12h 21m 7.5s,赤緯-50° 11.23′ 47″。 (zh)
  • G Centauri is a single star in the southern constellation of Centaurus. It is visible to the naked eye as a faint, blue-white hued star with an apparent visual magnitude of +4.82. This object is located approximately 450 light years from the Sun, based on parallax. It is a member of the Lower Centaurus–Crux group of the Scorpius–Centaurus association, with the former having an age of about 17 million years. (en)
  • HD 108257 (G Centauri) é uma estrela na constelação de Centaurus. Tem uma magnitude aparente visual de 4,81, indicando que pode ser vista a olho nu em locais com pouca poluição luminosa. Com base em medições de paralaxe, está localizada a aproximadamente 450 anos-luz (137 parsecs) da Terra. A essa distância, sua magnitude aparente é reduzida em 0,07 devido à extinção causada por gás e poeira. (pt)
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absmag v
  • −0.87 (en)
appmag v
class
  • B3V (en)
constell
epoch
  • J2000 (en)
luminosity
p error
parallax
prop mo dec
  • −10.13 (en)
prop mo ra
  • −30.66 (en)
radius
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