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Xi Eridani (42 Eridanus) é uma estrela na … Xi Eridani (42 Eridanus) é uma estrela na direção da constelação de Eridanus. Possui uma ascensão reta de 04h 23m 40.88s e uma declinação de −03° 44′ 43.2″. Sua magnitude aparente é igual a 5.17. Considerando sua distância de 208 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.14. Pertence à classe espectral A2V.l a 1.14. Pertence à classe espectral A2V.
, ξ Eridani (Latinised as Xi Eridani) is a s … ξ Eridani (Latinised as Xi Eridani) is a solitary star in the constellation Eridanus. With an apparent visual magnitude of 5.17, it is faintly visible to the naked eye on a clear, dark night. Based upon an annual parallax shift of 0.00156 arcseconds, it is located around 209 light years from the Sun. The star is considered a member of the Sirius supercluster. This is an ordinary A-type main sequence star with a stellar classification of A2 V, indicating that it is generating energy through the thermonuclear fusion of hydrogen into helium in its core region. It is around 450 million years old and has a relatively high rate of rotation with a projected rotational velocity of 194 km/s. The star has about 2.3 times the mass of the Sun, 2.2 times the Sun's radius, and radiates 27.6 times the solar luminosity from its outer atmosphere at an effective temperature of 8,400 K.re at an effective temperature of 8,400 K.
, Xi Eridani (ξ Eridani, förkortat Xi Eri, ξ … Xi Eridani (ξ Eridani, förkortat Xi Eri, ξ Eri) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den norra delen av stjärnbilden Eridanus. Den har en skenbar magnitud på 5,17 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 15,6 mas, beräknas den befinna sig på ett avstånd på ca 209 ljusår (ca 64 parsek) från solen. Stjärnan anses vara medlem i Sirius superstjärnhop.anses vara medlem i Sirius superstjärnhop.
, 波江座ξ，又名BD-04 818，HD 27861、SAO 131176、HR 1383，是波江座的一颗恒星，视星等为5.17，位于銀經197.82，銀緯-34.3，其B1900.0坐标为赤經4h 18m 42s，赤緯-3° -34.3′ 36″。
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| rdfs:comment |
ξ Eridani (Latinised as Xi Eridani) is a s … ξ Eridani (Latinised as Xi Eridani) is a solitary star in the constellation Eridanus. With an apparent visual magnitude of 5.17, it is faintly visible to the naked eye on a clear, dark night. Based upon an annual parallax shift of 0.00156 arcseconds, it is located around 209 light years from the Sun. The star is considered a member of the Sirius supercluster.dered a member of the Sirius supercluster.
, Xi Eridani (ξ Eridani, förkortat Xi Eri, ξ … Xi Eridani (ξ Eridani, förkortat Xi Eri, ξ Eri) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den norra delen av stjärnbilden Eridanus. Den har en skenbar magnitud på 5,17 och är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 15,6 mas, beräknas den befinna sig på ett avstånd på ca 209 ljusår (ca 64 parsek) från solen. Stjärnan anses vara medlem i Sirius superstjärnhop.anses vara medlem i Sirius superstjärnhop.
, 波江座ξ，又名BD-04 818，HD 27861、SAO 131176、HR 1383，是波江座的一颗恒星，视星等为5.17，位于銀經197.82，銀緯-34.3，其B1900.0坐标为赤經4h 18m 42s，赤緯-3° -34.3′ 36″。
, Xi Eridani (42 Eridanus) é uma estrela na … Xi Eridani (42 Eridanus) é uma estrela na direção da constelação de Eridanus. Possui uma ascensão reta de 04h 23m 40.88s e uma declinação de −03° 44′ 43.2″. Sua magnitude aparente é igual a 5.17. Considerando sua distância de 208 anos-luz em relação à Terra, sua magnitude absoluta é igual a 1.14. Pertence à classe espectral A2V.l a 1.14. Pertence à classe espectral A2V.
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| rdfs:label |
Xi Eridani
, 九州殊口三
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