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Delta Ursae Minoris, Latinized from δ Ursae Minoris, formally named Yildun /jɪlˈdʌn/, is a white-hued star in the northern circumpolar constellation of Ursa Minor, forming the second star in the bear's tail. It is visible to the naked eye with an apparent visual magnitude of 4.36. Based upon an annual parallax shift of 18.95 mas as seen from Earth, it is located 172 light years from the Sun. The star is moving closer to the Sun with a radial velocity of about −8 km/s.

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rdf:type
rdfs:label
  • Delta Ursae Minoris (de)
  • Yildun (es)
  • Delta Ursae Minoris (en)
  • Delta Ursae Minoris (fr)
  • Yildun (it)
  • こぐま座デルタ星 (ja)
  • Yildun (nl)
  • Delta Ursae Minoris (pl)
  • Delta Ursae Minoris (pt)
  • Йильдун (ru)
  • Yildun (sv)
  • 勾陳二 (zh)
rdfs:comment
  • δ Ursae Minoris (Delta Ursae Minoris, kurz δ UMi) ist ein circa 180 Lichtjahre von der Sonne entfernter Hauptreihenstern der Spektralklasse A mit einer scheinbaren Helligkeit von 4,4 mag. δ Ursae Minoris trägt den Eigennamen Yildun von türkisch yıldız, „Stern“; aufgrund der Präzession der Erde galt Yildun türkischen Astronomen um das Jahr 1500 als der Polarstern. Andere Schreibweisen sind: Gildun, Vildiur, Yilduz. Ein möglicher weiterer Eigenname ist Pherkard. (de)
  • Delta Ursae Minoris, Latinized from δ Ursae Minoris, formally named Yildun /jɪlˈdʌn/, is a white-hued star in the northern circumpolar constellation of Ursa Minor, forming the second star in the bear's tail. It is visible to the naked eye with an apparent visual magnitude of 4.36. Based upon an annual parallax shift of 18.95 mas as seen from Earth, it is located 172 light years from the Sun. The star is moving closer to the Sun with a radial velocity of about −8 km/s. (en)
  • Delta Ursae Minoris (δ UMi / δ Ursae Minoris) est une étoile de la constellation de la Petite Ourse. Elle porte le nom traditionnel Yildun (également orthographié Vildiur, Jildun, Gildun, et Yilduz), du turc yıldız « étoile ». Elle est parfois également appelée Pherkard, une variante de Pherkad, utilisée pour γ UMi et 11 UMi. Yildun est le nom officialisé par l'Union astronomique internationale le 21 août 2016. Delta Ursae Minoris est une étoile blanche de la séquence principale avec une magnitude apparente de +4,35. Elle est à environ 183 années-lumière de la Terre. (fr)
  • こぐま座δ星（こぐまざデルタせい）は、こぐま座の恒星で4等星。天の北極はこの星とポラリスとの中間あたりに位置している。 (ja)
  • Yildun (Delta Ursae Minoris / UMi δ / δ Ursae Minoris / 23 UMI) è una stella nella costellazione dell'Orsa Minore. Il nome tradizionale Yildun (scritto anche Vildiur, Jildun, Gildun, e Yilduz) deriva dal turco yıldız cioè "stella". (it)
  • Yildun (delta Ursae Minoris) is een ster in het sterrenbeeld Kleine Beer (Ursa Minor). De ster behoort tot de spectraalklasse A1 en bezit een helderheid van +4,34m. De ster staat ook bekend als Vildiur en Gildun. (nl)
  • Delta Ursae Minoris (Yildun, Gildun, Vildiur, Yilduz, Pherkard, 23 Ursae Minoris) é uma estrela na direção da constelação de Ursa Minor. Possui uma ascensão reta de 17h 32m 12.90s e uma declinação de +86° 35′ 10.8″. Sua magnitude aparente é igual a 4.35. Considerando sua distância de 183 anos-luz em relação à Terra, sua magnitude absoluta é igual a 0.61. Pertence à classe espectral A1Vn. (pt)
  • Delta Ursae Minoris (δ UMi, Yildun) – gwiazda w gwiazdozbiorze Małej Niedźwiedzicy. Ma ona obserwowaną wielkość gwiazdową równą 4,052m, znajduje się w odległości 172 lat świetlnych od Słońca. (pl)
  • Yildun (Delta Ursae Minoris, 23 UMi) är en stjärna i stjärnbilden Lilla björnen. Yildun är en vit dvärg i huvudserien av spektraltyp A1 V och magnitud 4,35. Den har också haft namnet Pherkard vilket gjort att den förväxlats med Pherkad (Gamma Ursae Minoris). (sv)
  • Йильдун (δ UMi) — шестая по светимости звезда в созвездии Малой Медведицы. (ru)
  • 小熊座δ，又名BD+86 269，HD 166205、SAO 2937、HR 6789，是小熊座的一颗恒星，视星等为4.36，位于銀經119.29，銀緯28.24，其B1900.0坐标为赤經18h 4m 32.7s，赤緯+86° 28.24′ 48″。 (zh)
  • Yildun es el nombre de la estrella δ Ursae Minoris (δ UMi / 23 UMi / HD 166205 / HR 6789),​ situada en la constelación boreal de la Osa Menor. El término Yildun, a diferencia de muchos nombres de estrellas de origen árabe, procede de una palabra turca que significa precisamente «estrella».Los nombres de Vildiur y Gildun, utilizados también para designar a δ Ursae Minoris, tienen el mismo origen. (es)
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  • δ Ursae Minoris (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Red_circle.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/Ursa_Minor_constellation_map.svg
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