Concept information
Preferred term
symbiotic star
Definition(s)
- A symbiotic star is a binary star system, the combined spectrum of which includes a molecular absorption band component, typically involving the presence of TiO bands, and an emission line component, such as emission lines of ions of higher ionization such as He II4686 Å and [O III]5007 Å. The components of a symbiotic star are a red giant and a small hot star, such as a white dwarf, surrounded by nebulosity. Symbiotic stars are likely progenitors of bipolar planetary nebulae and they could make up some of the systems that later explode as Type Ia supernovae, spectacular explosions visible across cosmological distances. (Encyclopedia of Science, by David Darling, https://www.daviddarling.info/encyclopedia/S/symbiotic_star.html)
Broader concept(s)
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/MDL-TVL422SS-M
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