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HD 21389 is a supergiant variable star in reflection nebula VdB 15, in the constellation Camelopardalis. It has the variable star designation CE Camelopardalis, abbreviated CE Cam. This object is part of the Camelopardalis OB1 association. The near-identical member CS Camelopardalis lies half a degree to the north. Since 1943, the spectrum of CE Cam has served as one of the stable anchor points by which other stars are classified.

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rdf:type
rdfs:label
  • CE de la Girafa (ca)
  • CE Camelopardalis (de)
  • CE Camelopardalis (es)
  • HD 21389 (en)
  • HD 21389 (pt)
  • CE Camelopardalis (sv)
  • HD 21389 (zh)
rdfs:comment
  • HD 21389 (C Camelopardalis) é uma estrela na direção da Camelopardalis. Possui uma ascensão reta de 03h 29m 54.75s e uma declinação de +58° 52′ 43.5″. Sua magnitude aparente é igual a 4.55. Considerando sua distância de 2470 anos-luz em relação à Terra, sua magnitude absoluta é igual a −4.85. Pertence à classe espectral A0Ia SB:. (pt)
  • HD 21389，又名BD+58 607，SAO 24061、HR 1040，是一颗恒星，视星等为4.54，位于銀經142.19，銀緯2.06，其B1900.0坐标为赤經3h 21m 55.4s，赤緯+58° 2.06′ 55″。 (zh)
  • CE de la Girafa (CE Camelopardalis) és una estrella variable de magnitud aparent mitjana +4,60. Enquadrada en la constel·lació boreal de la Girafa, és la sisena estrella més brillant de la mateixa. CE de la Girafa és una supergegant blanca de tipus espectral A0I, semblant a Deneb (α Cygni) o . No hi ha consens pel que fa a la seva temperatura superficial; mentre un estudi dona un valor de 11.040 K, un altre rebaixa aquesta xifra a 9730 K. La seva lluminositat bolomètrica -considerant totes les longituds d'ona- és molt elevada, 62.700 vegades més gran que la lluminositat solar. D'altra banda, el seu diàmetre angular -0,886 ± 0,009 mil·lisegons d'arc- permet estimar de manera aproximada el seu diàmetre real. Atès que s'hi troba a 2.500 anys llum d'acord amb la nova reducció de les dades de p (ca)
  • HD 21389 is a supergiant variable star in reflection nebula VdB 15, in the constellation Camelopardalis. It has the variable star designation CE Camelopardalis, abbreviated CE Cam. This object is part of the Camelopardalis OB1 association. The near-identical member CS Camelopardalis lies half a degree to the north. Since 1943, the spectrum of CE Cam has served as one of the stable anchor points by which other stars are classified. (en)
  • CE Camelopardalis (kurz CE Cam; auch HR 1040) ist mit einer scheinbaren Helligkeit von 4,54m der sechsthellste Stern des Sternbilds Giraffe (lateinisch Camelopardalis). Trotzdem besitzt er weder eine Bayer- noch eine Flamsteed-Bezeichnung, wie es für einigermaßen helle Sterne üblich ist, und er erscheint dem bloßen Auge recht lichtschwach. (de)
  • CE Camelopardalis (CE Cam / HD 21389 / HR 1040) es una estrella variable de magnitud aparente media +4,60.​Encuadrada en la constelación boreal de Camelopardalis, la jirafa, es la sexta estrella más brillante de la misma.​ CE Camelopardalis posee una masa estimada de 14,95 ± 0,4 masas solares.​Se encuentra inmersa en una nebulosa de reflexión y es miembro de la Asociación estelar Cam OB1.​Catalogada como variable Alfa Cygni, su variación de brillo es de apenas 0,03 magnitudes.​ (es)
foaf:name
  • HD 21389 (en)
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Red_circle.svg
  • http://commons.wikimedia.org/wiki/Special:FilePath/519248main_pia13459-43_full.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/CECamLightCurve.png
  • http://commons.wikimedia.org/wiki/Special:FilePath/Camelopardalis_constellation_map.svg
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