Английская Википедия:Abell 78
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Шаблон:Short description Шаблон:Refimprove Шаблон:Planetary nebula
Abell 78 is a planetary nebula located in the constellation of Cygnus. It has a fainter halo consisting mostly hydrogen, and an inner elliptical ring that is mostly made of helium.
The central star of the planetary nebula has a spectral type of [WC5], similar to that of a carbon-rich Wolf–Rayet star.[1]
Gallery
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An unusual type of Planetary Nebula
References
External links
- [1]
- https://www.astronomy-mall.com/Adventures.In.Deep.Space/abellcat.htm
- NOAO>Outreach>Planetary Nebula Sampler: Abell 78 Шаблон:Webarchive