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UGC 4904 is a barred spiral galaxy in the constellation Lynx, located about 77 million light-years from Earth. On October 20, 2004, a supernova impostor was observed by Japanese amateur astronomer Koichi Itagaki within the galaxy. This same star may have transitioned from a LBV star to a Wolf–Rayet star shortly before it was observed as blowing up as hypernova SN 2006jc on October 11, 2006.

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  • UGC 4904 (ar)
  • UGC 4904 (it)
  • UGC 4904 (pl)
  • UGC 4904 (en)
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  • UGC 4904 هي مجرة حلزونية ضلعية قزمة من التصنيف (SABdm) تقع في كوكبة الوشق، وتبعد حوالي 77 مليون سنة ضوئية عن الأرض، في 20 أكتوبر/ تشرين الأول لعام 2004 شاهد عالم الفلك الياباني كويتشي إيتاغاكي داخل المجرة مستعر أعظم مخادع، هذا النجم نفسه قد تحول من نجم وولف-رايت إلى نجم متغير أزرق شديد الضياء قبل وقت قصير من مشاهدته كمستعر فوق عظيم في 11 أكتوبر، 2006. (ar)
  • UGC 4904 is a barred spiral galaxy in the constellation Lynx, located about 77 million light-years from Earth. On October 20, 2004, a supernova impostor was observed by Japanese amateur astronomer Koichi Itagaki within the galaxy. This same star may have transitioned from a LBV star to a Wolf–Rayet star shortly before it was observed as blowing up as hypernova SN 2006jc on October 11, 2006. (en)
  • UGC 4904 è una galassia spirale barrata situata nella costellazione della Lince alla distanza di circa 77 milioni di anni luce dalla Terra. L'11 ottobre del 2006 in questa galassia fu osservata l'esplosione di una supernova, catalogata come SN 2006jc, che era stata preceduta il 20 ottobre 2004 dall'esplosione di una cosiddetta , che è lo scoppio di una stella che simula quella di una supernova ma che non si risolve con la distruzione della stella progenitrice. Come tale è considerata una categoria di nova estremamente potente; sono anche conosciute come , analoghe della Eta Carinae ed eruzioni giganti di variabili luminose blu (LBV).La stella in questione effettuò una rapida transizione da stella variabile luminosa blu (LBV) a stella di Wolf-Rayet prima di esplodere come ipernova (it)
  • UGC 4904 (również PGC 26231) – galaktyka spiralna z poprzeczką znajdująca się w konstelacji Rysia w odległości około 77 milionów lat świetlnych od Ziemi. W galaktyce tej 11 października 2006 roku zaobserwowano wybuch supernowej SN 2006jc poprzedzony wybuchem fałszywej supernowej 2 lata wcześniej. (pl)
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  • UGC4904 (en)
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  • UGC 4904 (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/UGC_4904_Sloan.png
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  • UGC 4904, imaged by the Sloan Digital Sky Survey (en)
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  • Dwarf spiral galaxy with a supernova impostor (en)
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  • SABdm (en)
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  • UGC 4904 هي مجرة حلزونية ضلعية قزمة من التصنيف (SABdm) تقع في كوكبة الوشق، وتبعد حوالي 77 مليون سنة ضوئية عن الأرض، في 20 أكتوبر/ تشرين الأول لعام 2004 شاهد عالم الفلك الياباني كويتشي إيتاغاكي داخل المجرة مستعر أعظم مخادع، هذا النجم نفسه قد تحول من نجم وولف-رايت إلى نجم متغير أزرق شديد الضياء قبل وقت قصير من مشاهدته كمستعر فوق عظيم في 11 أكتوبر، 2006. (ar)
  • UGC 4904 is a barred spiral galaxy in the constellation Lynx, located about 77 million light-years from Earth. On October 20, 2004, a supernova impostor was observed by Japanese amateur astronomer Koichi Itagaki within the galaxy. This same star may have transitioned from a LBV star to a Wolf–Rayet star shortly before it was observed as blowing up as hypernova SN 2006jc on October 11, 2006. (en)
  • UGC 4904 è una galassia spirale barrata situata nella costellazione della Lince alla distanza di circa 77 milioni di anni luce dalla Terra. L'11 ottobre del 2006 in questa galassia fu osservata l'esplosione di una supernova, catalogata come SN 2006jc, che era stata preceduta il 20 ottobre 2004 dall'esplosione di una cosiddetta , che è lo scoppio di una stella che simula quella di una supernova ma che non si risolve con la distruzione della stella progenitrice. Come tale è considerata una categoria di nova estremamente potente; sono anche conosciute come , analoghe della Eta Carinae ed eruzioni giganti di variabili luminose blu (LBV).La stella in questione effettuò una rapida transizione da stella variabile luminosa blu (LBV) a stella di Wolf-Rayet prima di esplodere come ipernova (it)
  • UGC 4904 (również PGC 26231) – galaktyka spiralna z poprzeczką znajdująca się w konstelacji Rysia w odległości około 77 milionów lat świetlnych od Ziemi. W galaktyce tej 11 października 2006 roku zaobserwowano wybuch supernowej SN 2006jc poprzedzony wybuchem fałszywej supernowej 2 lata wcześniej. (pl)
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