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- Eta Octantis, Latinized from η Octantis, is a solitary star located in the southern circumpolar constellation Octans. It has an apparent magnitude of 6.19, making it faintly visible to the naked eye. The object is situated at a distance of 358 light years but is approaching the Solar System with a heliocentric radial velocity of −1.7 km/s. Eta Octantis has a stellar classification of A1 Va, indicating that it is an ordinary A-type main sequence star. At present it has 2.37 times the Sun's mass and 2.6 times the Sun's radius. It shines with a luminosity of 45 L☉ from its photosphere at an effective temperature of 9,500 K, giving a white hue. Eta Octantis is a rapidly rotating star, with a projected rotational velocity of 152 km/s, and is estimated to be 547 million years old, having completed 72% of its main sequence lifetime. (en)
- Eta Octantis (11 Octantis) é uma estrela na direção da constelação de Octans. Possui uma ascensão reta de 10h 59m 14.16s e uma declinação de −84° 35′ 37.9″. Sua magnitude aparente é igual a 6.19. Considerando sua distância de 356 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.00. Pertence à classe espectral A1V. (pt)
- Eta Octantis är en vit stjärna i huvudserien i Oktantens stjärnbild. Stjärnan har visuell magnitud +6,19 och är knappt synlig för blotta ögat vid mycket god seeing. Den befinner sig på ett avstånd av ungefär 345 ljusår. (sv)
- 南極座η，又名CP-83 386，HD 96124、SAO 258600、HR 4312，是南極座的一颗恒星，视星等为6.19，位于銀經300.19，銀緯-22.33，其B1900.0坐标为赤經11h 0m 1.3s，赤緯-84° -22.33′ 21″。 (zh)
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- Eta Octantis (11 Octantis) é uma estrela na direção da constelação de Octans. Possui uma ascensão reta de 10h 59m 14.16s e uma declinação de −84° 35′ 37.9″. Sua magnitude aparente é igual a 6.19. Considerando sua distância de 356 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.00. Pertence à classe espectral A1V. (pt)
- Eta Octantis är en vit stjärna i huvudserien i Oktantens stjärnbild. Stjärnan har visuell magnitud +6,19 och är knappt synlig för blotta ögat vid mycket god seeing. Den befinner sig på ett avstånd av ungefär 345 ljusår. (sv)
- 南極座η，又名CP-83 386，HD 96124、SAO 258600、HR 4312，是南極座的一颗恒星，视星等为6.19，位于銀經300.19，銀緯-22.33，其B1900.0坐标为赤經11h 0m 1.3s，赤緯-84° -22.33′ 21″。 (zh)
- Eta Octantis, Latinized from η Octantis, is a solitary star located in the southern circumpolar constellation Octans. It has an apparent magnitude of 6.19, making it faintly visible to the naked eye. The object is situated at a distance of 358 light years but is approaching the Solar System with a heliocentric radial velocity of −1.7 km/s. (en)
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- Eta Octantis (en)
- Eta Octantis (pt)
- Eta Octantis (sv)
- 南極座η (zh)
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