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Phi3 Hydrae (φ3 Hya) is a binary star in t … Phi3 Hydrae (φ3 Hya) is a binary star in the equatorial constellation of Hydra. It originally received the Flamsteed designation of 2 Crateris before being placed in the Hydra constellation. Based upon an annual parallax shift of 15.49 mas as seen from Earth, it is located around 211 light years from the Sun. It is visible to the naked eye with an apparent visual magnitude of 4.90. It forms a triangle with the fainter φ1 Hydrae and φ2 Hydrae, between μ Hydrae and ν Hydrae. This is a single-lined spectroscopic binary star system with an orbital period of about 1,200 days and an eccentricity of 0.1. The primary, component A, is an evolved G-type giant star with a stellar classification of G8 III. It is a red clump star, which means it is generating energy through the fusion of helium at its core. The star has twice the mass of the Sun and has expanded to 9 times the Sun's radius. It is 1.17 billion years old and is radiating 48 times the solar luminosity from its photosphere at an effective temperature of 4,952 K.re at an effective temperature of 4,952 K.
, Phi3 Hydrae (Hydrae) é uma estrela na dire … Phi3 Hydrae (Hydrae) é uma estrela na direção da constelação de Hydra. Possui uma ascensão reta de 10h 38m 35.01s e uma declinação de −16° 52′ 35.9″. Sua magnitude aparente é igual a 4.91. Considerando sua distância de 225 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.72. Pertence à classe espectral G8III.a 0.72. Pertence à classe espectral G8III.
, Fi3 Hydrae (φ3 Hydrae, förkortat Fi3 Hya, … Fi3 Hydrae (φ3 Hydrae, förkortat Fi3 Hya, φ3 Hya) är en dubbelstjärna belägen i den mellersta delen av stjärnbilden Vattenormen. Den hade ursprungligen Flamsteedbeteckningen 2 Crateris innan den placerades i stjärnbilden Vattenormen. Den har en skenbar magnitud på 4,90 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 15,5 mas, beräknas den befinna sig på ett avstånd på ca 211 ljusår (ca 65 parsek) från solen.å ca 211 ljusår (ca 65 parsek) från solen.
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| rdfs:comment |
Phi3 Hydrae (Hydrae) é uma estrela na dire … Phi3 Hydrae (Hydrae) é uma estrela na direção da constelação de Hydra. Possui uma ascensão reta de 10h 38m 35.01s e uma declinação de −16° 52′ 35.9″. Sua magnitude aparente é igual a 4.91. Considerando sua distância de 225 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.72. Pertence à classe espectral G8III.a 0.72. Pertence à classe espectral G8III.
, Phi3 Hydrae (φ3 Hya) is a binary star in t … Phi3 Hydrae (φ3 Hya) is a binary star in the equatorial constellation of Hydra. It originally received the Flamsteed designation of 2 Crateris before being placed in the Hydra constellation. Based upon an annual parallax shift of 15.49 mas as seen from Earth, it is located around 211 light years from the Sun. It is visible to the naked eye with an apparent visual magnitude of 4.90. It forms a triangle with the fainter φ1 Hydrae and φ2 Hydrae, between μ Hydrae and ν Hydrae. φ2 Hydrae, between μ Hydrae and ν Hydrae.
, Fi3 Hydrae (φ3 Hydrae, förkortat Fi3 Hya, … Fi3 Hydrae (φ3 Hydrae, förkortat Fi3 Hya, φ3 Hya) är en dubbelstjärna belägen i den mellersta delen av stjärnbilden Vattenormen. Den hade ursprungligen Flamsteedbeteckningen 2 Crateris innan den placerades i stjärnbilden Vattenormen. Den har en skenbar magnitud på 4,90 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 15,5 mas, beräknas den befinna sig på ett avstånd på ca 211 ljusår (ca 65 parsek) från solen.å ca 211 ljusår (ca 65 parsek) från solen.
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Phi3 Hydrae
, Fi3 Hydrae
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