... Campo P.P., Chulkov D.A. "New orbits" 2015, IAU Commission 26 Information Circ. ... completed" 2010, Zemlya i Vselennaya (The Earth and the Universe), (in Russian), 4 ...
... of a slightly evolved F6 star (the brighter object) near the end of its MS phase and an eclipsing binary with a K7-M0V star orbiting an F4V star. mu Sgr Very long period is not suitable for any of classes with such early spectra (DGearly, SH, CE, CG ...
... According to Popper (1980), the hotter component of such systems is an early B-type star and the cooler one is of type B or early A. Cataclysmic semidetached systems (S2C). ...
... no individual investigations, system is chemically peculiar and on eccentric orbit ... Then SH type is more suitable? But too early Sp2 for typical SH type. ... SA class, but primary spectra is some early, for SC both spectra is not appropriate ...