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Epsilon Hydri (ε Hydri / ε Hyi) est une étoile de la constellation la constellation australe de l'Hydre mâle, distante d'environ ∼152 a.l. (∼46,6 pc) de la Terre. Elle est visible à l'œil nu comme une étoile bleutée d'une magnitude apparente de 4,10.
, Epsilon Hydri, Latinized from ε Hydri, is … Epsilon Hydri, Latinized from ε Hydri, is a single, blue-white hued star in the southern constellation of Hydrus. It is a faint star with an apparent visual magnitude of 4.12, but it can be seen with the naked eye. Measurements made by the Hipparcos spacecraft showed an annual parallax shift of 21.48 mas, which provides a distance estimate of 152 light years. The star is moving away from the Sun with a radial velocity of +13.6 km/s. It is a member of the Tucana-Horologium moving group, an association of stars that share a common motion through space. The stellar classification for this star is B9 Va, indicating that is it a B-type main-sequence star that is generating energy through hydrogen fusion at its core. It is a young star, just 133 million years in age, and has a high rate of spin with a projected rotational velocity of 96 km/s. This is giving the star a mild oblate shape with an equatorial bulge that is 5% greater than the polar radius. Epsilon Hydri has an estimated 2.64 times the mass of the Sun and 2.2 times the Sun's radius. It is radiating 60 times the Sun's luminosity from its photosphere at an effective temperature of around 10,970 K. effective temperature of around 10,970 K.
, 水蛇座ε，又名CP-68 161，HD 16978、SAO 248621、HR 806，是水蛇座的一颗恒星，视星等为4.11，位于銀經288.96，銀緯-45.82，其B1900.0坐标为赤經2h 38m 2.9s，赤緯-68° -45.82′ 43″。
, Эпсилон Южной Гидры (ε Hyi) — звезда в созвездии Южной Гидры, бело-голубой гигант. Видимая звёздная величина — 4,06m (видна невооружённым глазом). Находится на расстоянии около 153 световых лет (47 парсек) от Солнца.
, Epsilon Hydri (44 Hydri) é uma estrela na … Epsilon Hydri (44 Hydri) é uma estrela na direção da constelação de Hydrus. Possui uma ascensão reta de 02h 39m 35.22s e uma declinação de −68° 16′ 01.0″. Sua magnitude aparente é igual a 4.12. Considerando sua distância de 153 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.76. Pertence à classe espectral B9III.a 0.76. Pertence à classe espectral B9III.
, Epsilon Hydri (ε Hydri, förkortat Epsilon … Epsilon Hydri (ε Hydri, förkortat Epsilon Hyi, ε Hyi) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Lilla vattenormen. Den har en skenbar magnitud på 4,12 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 21,5 mas, beräknas den befinna sig på ett avstånd på ca 152 ljusår (ca 47 parsek) från solen. Stjärnan, som rör sig bort från solen med en radialhastighet på +13,6 km/s, ingår i Tucana-Horologium-rörelsegruppen, en samling stjärnor som har en gemensam rörelse genom rymden. som har en gemensam rörelse genom rymden.
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Эпсилон Южной Гидры (ε Hyi) — звезда в созвездии Южной Гидры, бело-голубой гигант. Видимая звёздная величина — 4,06m (видна невооружённым глазом). Находится на расстоянии около 153 световых лет (47 парсек) от Солнца.
, Epsilon Hydri (ε Hydri / ε Hyi) est une étoile de la constellation la constellation australe de l'Hydre mâle, distante d'environ ∼152 a.l. (∼46,6 pc) de la Terre. Elle est visible à l'œil nu comme une étoile bleutée d'une magnitude apparente de 4,10.
, Epsilon Hydri (44 Hydri) é uma estrela na … Epsilon Hydri (44 Hydri) é uma estrela na direção da constelação de Hydrus. Possui uma ascensão reta de 02h 39m 35.22s e uma declinação de −68° 16′ 01.0″. Sua magnitude aparente é igual a 4.12. Considerando sua distância de 153 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.76. Pertence à classe espectral B9III.a 0.76. Pertence à classe espectral B9III.
, 水蛇座ε，又名CP-68 161，HD 16978、SAO 248621、HR 806，是水蛇座的一颗恒星，视星等为4.11，位于銀經288.96，銀緯-45.82，其B1900.0坐标为赤經2h 38m 2.9s，赤緯-68° -45.82′ 43″。
, Epsilon Hydri (ε Hydri, förkortat Epsilon … Epsilon Hydri (ε Hydri, förkortat Epsilon Hyi, ε Hyi) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den mellersta delen av stjärnbilden Lilla vattenormen. Den har en skenbar magnitud på 4,12 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 21,5 mas, beräknas den befinna sig på ett avstånd på ca 152 ljusår (ca 47 parsek) från solen. Stjärnan, som rör sig bort från solen med en radialhastighet på +13,6 km/s, ingår i Tucana-Horologium-rörelsegruppen, en samling stjärnor som har en gemensam rörelse genom rymden. som har en gemensam rörelse genom rymden.
, Epsilon Hydri, Latinized from ε Hydri, is … Epsilon Hydri, Latinized from ε Hydri, is a single, blue-white hued star in the southern constellation of Hydrus. It is a faint star with an apparent visual magnitude of 4.12, but it can be seen with the naked eye. Measurements made by the Hipparcos spacecraft showed an annual parallax shift of 21.48 mas, which provides a distance estimate of 152 light years. The star is moving away from the Sun with a radial velocity of +13.6 km/s. It is a member of the Tucana-Horologium moving group, an association of stars that share a common motion through space. that share a common motion through space.
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Эпсилон Южной Гидры
, Epsilon Hydri
, 蛇腹二
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