Abstract
The slit spectra of 11 components in 6 visual binary stars (UU Psc, YZ Cas, RS Tri, BX And, COU 14, IL Cep) with variable components are studied. MK classification were made for observed stars, for the first time for all secondary components except those of COU 14 and IL Cep. No significant variations have been detected in the spectrum of COU 14. The visual companion of Herbig Be star IL Cep is possibly an Am star.
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Tamazian, V.S., Docobo, J.A., Chavushyan, V.H., Vlasyuk, V.V. (1997). Optical Spectra of Some Visual Binaries with Variable Component. In: Docobo, J.A., Elipe, A., McAlister, H. (eds) Visual Double Stars: Formation, Dynamics and Evolutionary Tracks. Astrophysics and Space Science Library, vol 223. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1477-3_4
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DOI: https://doi.org/10.1007/978-94-009-1477-3_4
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