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Beta Octantis, Latinized from β Octantis, is a probable astrometric binary star system in the southern circumpolar constellation of Octans. It is faintly visible to the naked eye with an apparent visual magnitude of 4.13. Based upon an annual parallax shift of 21.85 mas as seen from Earth, it is located about 149 light years from the Sun. It is moving away from the Sun with a radial velocity of +19 km/s.

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  • Beta Octantis (cs)
  • Beta Octantis (en)
  • Beta Octantis (fr)
  • Beta Octantis (pt)
  • Бета Октанта (ru)
  • Beta Octantis (sv)
  • 南極座β (zh)
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  • Beta Octantis je nejjasnější hvězda v souhvězdí Oktantu. Hvězda patří mezi podobry spektrální třídy A a její vzdálenost od Země je asi 149 světelných let. (cs)
  • Beta Octantis (75 Octantis) é uma estrela na direção da Octans. Possui uma ascensão reta de 22h 46m 03.72s e uma declinação de −81° 22′ 53.8″. Sua magnitude aparente é igual a 4.13. Considerando sua distância de 140 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.96. Pertence à classe espectral A9IV/V. (pt)
  • Beta Octantis (β Octantis, förkortat Beta Oct, β Oct) som är stjärnans Bayerbeteckning, är en sannolik dubbelstjärna belägen i den inre delen av stjärnbilden Oktanten. Den har en skenbar magnitud på 4,13 och är svagt synlig för blotta ögat. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 21,9 mas, beräknas den befinna sig på ett avstånd på ca 149 ljusår (ca 46 parsek) från solen. Den rör sig bort från solen med en radiell hastighet på +19 km/s. (sv)
  • 南極座β,又名CP-82 889,HD 214846、SAO 258941、HR 8630,是南極座的一颗恒星,视星等为4.15,位于銀經308.35,銀緯-34.38,其B1900.0坐标为赤經22h 35m 51.2s,赤緯-81° -34.38′ 21″。 (zh)
  • Beta Octantis, Latinized from β Octantis, is a probable astrometric binary star system in the southern circumpolar constellation of Octans. It is faintly visible to the naked eye with an apparent visual magnitude of 4.13. Based upon an annual parallax shift of 21.85 mas as seen from Earth, it is located about 149 light years from the Sun. It is moving away from the Sun with a radial velocity of +19 km/s. (en)
  • Beta Octantis, (β Octantis / β Oct), est un système d'étoiles et probablement une binaire astrométrique de la constellation circumpolaire australe de l'Octant. Elle est faiblement visible à l’œil nu avec une magnitude apparente visuelle de 4,13. Sur la base d'une parallaxe annuelle de 21,85 mas, elle est située à environ 149 années-lumière du Soleil. Elle s'éloigne du Soleil avec une vitesse radiale de +19 km/s. (fr)
  • Бета Октанта (лат. Beta Octantis) — вероятно, астрометрическая двойная звезда в южном приполярном созвездии Октанта. Слабо видна невооружённым глазом, обладает видимой звёздной величиной 4,13. На основе измерения годичного звёздного параллакса, равного 21,85 мсд, была получена оценка расстояния от Солнца до звезды 149 световых лет. Лучевая скорость составляет +19 км/с. (ru)
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  • β Octantis (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Red_circle.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Octans_constellation_map.svg
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absmag v
  • +0.83 (en)
age myr
appmag v
b-v
  • +0.20 (en)
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