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IRAS 19475+3119 is a protoplanetary nebula in the constellation of Cygnus, 15,000 light-years away. The central star, V2513 Cygni, is an F-type post-AGB star. The brightest portion of the nebula shows a quadrupolar structure, with elongated bipolar lobes, all surrounded by a faint halo.

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  • IRAS 19475+3119 (de)
  • IRAS 19475+3119 (en)
  • IRAS 19475 + 3119 (zh)
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  • IRAS 19475+3119 ist ein Pre-Planetarischer Nebel im Sternbild Schwan, etwa 15.000 Lichtjahre entfernt. Eine Beobachtung bei 0,43 und 0,6 μm mit dem Hubble-Weltraumteleskop zeigt eine quadrupolare Struktur. Der Zentralstern hatte ursprünglich 2,5 Sonnenmassen, nach der Entstehung des Nebels verbleiben 0,63 Sonnenmassen. Mit einer 8.300-fachen Leuchtkraft der Sonne wird seine Entfernung auf 4,9 kpc und der Durchmesser auf das 58-fache der Sonne geschätzt. (de)
  • IRAS 19475+3119是一個距離地球約15000光年的原行星雲,在天球上位於天鵝座。中心恆星天鵝座V2513(V2513 Cygni)是F型後漸近巨星分支恆星。 (zh)
  • IRAS 19475+3119 is a protoplanetary nebula in the constellation of Cygnus, 15,000 light-years away. The central star, V2513 Cygni, is an F-type post-AGB star. The brightest portion of the nebula shows a quadrupolar structure, with elongated bipolar lobes, all surrounded by a faint halo. (en)
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  • IRAS 19475+3119 (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/IRAS_19475+3119.jpg
  • http://commons.wikimedia.org/wiki/Special:FilePath/V2513CygLightCurve.png
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  • F3 Ibe (en)
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  • −0.25 (en)
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