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Xi Hydrae, Latinised from ξ Hydrae, is a solitary star in the equatorial constellation of Hydra. It was also given the Flamsteed designation 19 Crateris. This magnitude 3.54 star is situated 130 light-years from Earth and has a radius about 10 times that of the Sun. It is radiating 58 times as much luminosity as the Sun. Flamsteed gave Xi Hydrae the designation 19 Crateris. He included a number of stars now within the IAU boundaries of Hydra as part of a Hydra & Crater constellation overlapping parts of both modern constellations.

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  • Xi Hydrae (es)
  • Xi Hydrae (fr)
  • Xi Hydrae (it)
  • Ksi Hydrae (pl)
  • Xi Hydrae (pt)
  • Кси Гидры (ru)
  • Xi Hydrae (en)
  • Xi Hydrae (sv)
  • 青丘五 (zh)
rdfs:comment
  • Xi Hydrae (ξ Hya, ξ Hydrae) è una stella della costellazione dell'Idra. Con una magnitudine apparente di +3,54, è la settima stella più luminosa della propria costellazione. La sua distanza dal sistema solare è di circa 130 anni luce. (it)
  • Ksi Hydrae (ξ Hya) – gwiazda w gwiazdozbiorze Hydry. Znajduje się około 130 lat świetlnych od Słońca. (pl)
  • Xi Hydrae (ξ Hydrae, förkortat Xi Hya, ξ Hya) som är stjärnans Bayerbeteckning, är en ensam stjärna belägen i den södra delen av stjärnbilden Vattenormen och hade Flamsteedbeteckningen 19 Crateris innan den ingick i denna stjärnbild. Den har en skenbar magnitud på 3,54 och är synlig för blotta ögat där ljusföroreningar ej förekommer. Baserat på parallaxmätning inom Hipparcosuppdraget på ca 25,2 mas, beräknas den befinna sig på ett avstånd på ca 130 ljusår (ca 40 parsek) från solen. (sv)
  • Кси Гидры (лат. Xi Hydrae) — звезда 3,65 видимой звёздной величины, которая находится в созвездии Гидра на расстоянии около 130 световых лет от нас. (ru)
  • Xi Hydrae ( Hydrae) é uma estrela na direção da constelação de Hydra. Possui uma ascensão reta de 11h 33m 00.26s e uma declinação de −31° 51′ 27.1″. Sua magnitude aparente é igual a 3.54. Considerando sua distância de 129 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.55. Pertence à classe espectral G8III. (pt)
  • 青丘五(長蛇座ξ),又名CD-31 9083,HD 100407、SAO 202558、HR 4450,是長蛇座的一颗恒星,视星等为3.54,位于銀經284.08,銀緯28.13,其B1900.0坐标为赤經11h 28m 4.9s,赤緯-31° 28.13′ 15″。 (zh)
  • Xi Hydrae (ξ Hya / HD 100407 / HR 4450)​ es una estrella en la constelación de Hidra de magnitud aparente +3,54.Junto a β Hydrae, en China era conocida como Tsing Kew, «la colina verde».​ Se encuentra a 129 años luz de distancia del Sistema Solar. Xi Hydrae es una estrella gigante amarilla de tipo espectral G7III​ con una temperatura efectiva de 4950 K. Su luminosidad es unas 60 veces mayor que la luminosidad solar. Tiene un radio 10 veces más grande que el del Sol y su masa es 3,3 veces la de este.Su edad se estima en 276 ± 21 millones de años.​ (es)
  • Xi Hydrae (ξ Hya, ξ Hydrae) est une étoile de 4e magnitude de la constellation de l'Hydre. Elle est située à 130 années-lumière de la Terre et a un rayon d'environ 10 fois celui du Soleil. Sa luminosité est 58 plus grande que celle du Soleil. Cette étoile s'approche de la fin de sa vie, et son enveloppe externe a gonflé pour devenir une géante rouge. L'étoile Xi Hya est devenue très intéressante dans le domaine de l'astérosismologie depuis qu'un groupe international d'astronomes a découvert qu'elle se comporte comme un gigantesque instrument de musique dans les fréquences ultra basses. (fr)
  • Xi Hydrae, Latinised from ξ Hydrae, is a solitary star in the equatorial constellation of Hydra. It was also given the Flamsteed designation 19 Crateris. This magnitude 3.54 star is situated 130 light-years from Earth and has a radius about 10 times that of the Sun. It is radiating 58 times as much luminosity as the Sun. Flamsteed gave Xi Hydrae the designation 19 Crateris. He included a number of stars now within the IAU boundaries of Hydra as part of a Hydra & Crater constellation overlapping parts of both modern constellations. (en)
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  • Xi Hydrae (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Xi_Hydrae.jpg
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