Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.110..277y&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 110, no. 2, March 1985, p. 277-291.
Astronomy and Astrophysics
Astrophysics
1
Main Sequence Stars, Red Dwarf Stars, Stellar Models, Symbiotic Stars, White Dwarf Stars, Electron Energy, Red Giant Stars, Stellar Envelopes, Stellar Flares, Stellar Mass Accretion, Stellar Spectrophotometry
Scientific paper
An analysis of the results of observations of the symbiotic star Z And has shown that no definite model can be derived at present on their basis. If the hot component is essentially an accreting white dwarf with a hydrogen-burning shell source, then the gas envelope must be optically thin for Lc-emission and its Te must be in the neighborhood of 2.6×104K. And if the hot component is a main sequence star with an accretion disk around it, then it is classified with red dwarfs. The electron temperature of the gas envelope must be 1.5×104K. Substitution of a solar-type star for the first-named component in the binary 'red dwarf+red giant' system will lead to a significant decrease in the excitation of the combination spectrum.
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