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GCVS Team
VB A (B 8.0m, 3.4", 305deg, 1980). SB (P = 3.313168d); Turns around the invisible third companion with P = 154.09d. According to [P.Guthnick, Sterne 22, 129, 1942.] the light varies with two alternate periods P1 and P2. The first oscillation (P1) with A = 0.19m satisfies the elements: Max = 2423298.460 + 1.12912d*E, the second (P2) with A = 0.05m - the elements: Max = 2429162.080 + 1.19328d*E. each of them continues for 1 - 3 weeks. At the transition from one oscillation to the other irregular light variations are sometimes observed or almost constant brightness. At the renewal of each oscillation its phase remains unchanged, experiencing no shift. According to [F.Gieseking, AsAp Suppl 36, 37, 1979.] in 1975 - 1977 periodicity was not observed.
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