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Theta Delphini, a name Latinized from θ Delphini, is a single star in the northern constellation of Delphinus. It has an apparent visual magnitude of about 5.7, meaning that it is just barely visible to the naked eye under excellent viewing conditions. The distance to this star is approximately 2,050 light years from the Sun based on parallax. It is drifting closer with a radial velocity of −15 km/s.

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  • Theta Delphini (es)
  • Theta Delphini (fr)
  • Theta Delphini (pt)
  • Theta Delphini (en)
  • Theta Delphini (sv)
  • 敗瓜三 (zh)
rdfs:comment
  • Theta Delphini (θ Del / θ Delphini) est une étoile simple de la constellation du Dauphin. Cette étoile est une supergéante orange peu lumineuse de type spectral K3Ib. Elle est distante d'environ ∼2 050 a.l. (∼629 pc) du Soleil et elle se rapproche du système solaire avec une vitesse radiale de −15 km/s. (fr)
  • Theta Delphini (θ Delphini, förkortat Theta Del, θ Del) är en ensam stjärna belägen i den mellersta delen av stjärnbilden Delfinen. Den har en skenbar magnitud på 5,71, är svagt synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 1,6 mas, beräknas den befinna sig på ett avstånd på ca 2 000 ljusår (ca 630 parsek) från solen. (sv)
  • Theta Delphini (8 Delphini) é uma estrela na direção da constelação de Delphinus. Possui uma ascensão reta de 20h 38m 43.98s e uma declinação de +13° 18′ 54.5″. Sua magnitude aparente é igual a 5.69. Considerando sua distância de 1304 anos-luz em relação à Terra, sua magnitude absoluta é igual a −2.32. Pertence à classe espectral K3Ib. (pt)
  • 海豚座θ,又名BD+12 4411,HD 196725、SAO 106342、HR 7892,是海豚座的一颗恒星,视星等为5.72,位于銀經57.95,銀緯-16.61,其B1900.0坐标为赤經20h 34m 0.7s,赤緯+12° -16.61′ 50″。 (zh)
  • Theta Delphini (θ Del / 8 Delphini) es una estrella en la constelación del Delfín de magnitud aparente +5,70. Theta Delphini es una supergigante naranja de tipo espectral K3I.​​Su temperatura superficial es de 4080 K y brilla con una luminosidad bolométrica casi 3250 veces superior a la del Sol.​Con un radio 310 veces más grande que el radio solar, si estuviese en el lugar del Sol su superficie se extendería más allá de la órbita de la Tierra.​Gira sobre sí misma muy despacio, siendo su velocidad de rotación proyectada —límite inferior de la misma— de 3,0 km/s.​Tiene una masa aproximada 5,7 veces mayor que la masa solar.​Es una estrella solitaria sin ninguna compañera estelar conocida.​ (es)
  • Theta Delphini, a name Latinized from θ Delphini, is a single star in the northern constellation of Delphinus. It has an apparent visual magnitude of about 5.7, meaning that it is just barely visible to the naked eye under excellent viewing conditions. The distance to this star is approximately 2,050 light years from the Sun based on parallax. It is drifting closer with a radial velocity of −15 km/s. (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Cercle_rouge_100�vg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Delphinus_IAU.svg
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  • K3Ib (en)
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  • +0.22 (en)
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