NNo       GCVS          J2000.0        Type       Max       Min I        Min II      Epoch(JD24..) Year        Period        M-m/D    Spectrum       References  Other design. 
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310389 |V0389 Cyg *|210838.9+301220 |*         |  5.55   |   5.71     |            |V |            |     |                    |     |B9Vp(Si)         |01256 01182|
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______________The positional information: ___________________________
  NNo     GCVS            J2000.0         p.m.(as/yr) Epoch     Ident.
----------------------------------------------------------------------
310389 |V0389 Cyg |210838.89 +301220.3 |+0.025 -0.021|2000.0  | |Hip
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_______________Cross-identifications:_______________
V0389 Cyg     = ADS  14682                    |A    
V0389 Cyg     = BD   +29 4324                 |     
V0389 Cyg     = BS   08094                    |     
V0389 Cyg     = GSC  2701.03919               |     
V0389 Cyg     = HD   201433                   |     
V0389 Cyg     = Hip  104371                   |     
V0389 Cyg     = SAO  070968                   |     
____________________________________________________

      Reference to a chart or photograph:
01182. H.Schneller, Sterne 17, 87, 1937.

      Reference to a study of the star:
01256. P.Guthnick, Sterne 22, 129, 1942.

__________________________________________________________________
      Remark:         
    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 [01256] 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 [08909] in 1975 - 1977 periodicity was not observed.

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