Abstrakt
This system consists of two binaries. More accurate ephemeris are found for both.
Variability of ionized helium line is found, and the mutual orbit of both binaries is discussed. Light-time effect might be observable.
This system consists of two binaries. More accurate ephemeris are found for both.
Variability of ionized helium line is found, and the mutual orbit of both binaries is discussed. Light-time effect might be observable.